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| Name | Class |
|---|---|
| IDEX - Univ. Grenoble-Alpes | UNKNOWN |
| Région Auvergne-Rhône Alpes | UNKNOWN |
| Institut de Recherche en Santé Publique, France | OTHER |
| ADEME |
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Regular car use is a source of pollution and physical inactivity. InterMob is an interdisciplinary randomized controlled behavioral intervention aiming at reducing car use. The objectives of InterMob are to a) Evaluate the efficacy of a theory- and evidence-based intervention, b) Identify the mechanisms related mobility change, and c) Identify the conditions under which the intervention is effective.
To meet these objectives, 300 regular car users living in Grenoble will be recruited and randomized in one of two arms:
The investigators hypothesize that the participants allocated to experimental group will reduce the car use and increase the use of alternative modes to the car (biking, walking, public transport, and carpooling) more than the participants of the control group, and that these changes will remain. The investigators hypothesize that mobility changes will be mediated by intention and self-efficacy. The investigators hypothesize that the efficacy of the intervention will be moderated by socio-spatial factors (number of children, travel distances) and psychological factors (self-control).
The main criterion will be car use reduction and the use of alternative modes to the car. In addition, the investigators will assess physical activity (minutes of moderate-to-vigorous physical activity), the exposure to air pollution, the quality of life and the carbon footprint associated to transport.
Sample size : The investigators have calculated the sample size considering :
The investigators considered a statistical power of 0.8, and a significance level of 0.05 for a proportion of 80% or 50% of trips made by car in the control group. In order to detect a difference of 15% when the share of trips made by car is reduced from 80% to 65% or from 50 to 35%, the investigators need 300 individuals (i.e., 150 individuals in each group).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| InterMob: a behavioral and economical intervention | Experimental |
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| Air pollution information: an informational group | Other | Active control group focused on air pollution information:
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| InterMob: a randomized controlled trial aimed at reducing car use in regular car users | Behavioral | Intermob is a theory- and evidence-based behavioral intervention that combines public transport/bicycle and motivational techniques (action planning, personalized transport advice, goal setting). |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in car use from the baseline and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Car use (kilometers traveled and modal share) will be measured using the GPS tracks collected by a GPS device (SenseDoc) and by calculating the variables of interest from the information mentioned in the travel diary. The GPS device is used during 9 days each and the travel diary is filled up during 8 days | Baseline and one month and a half after the baseline (Month 1) |
| Changes in car use from the baseline and half of the intervention (Month 3) | Car use (kilometers traveled and modal share) will be measured using the GPS tracks collected by a GPS device (SenseDoc) and by calculating the variables of interest from the information mentioned in the travel diary. The GPS device is used during 9 days each and the travel diary is filled up during 8 days | Baseline, and three months after the baseline (Month 3) |
| Changes in car use from the baseline the end of the intervention (Month 7) | Car use (kilometers traveled and modal share) will be measured using the GPS tracks collected by a GPS device (SenseDoc) and by calculating the variables of interest from the information mentioned in the travel diary. The GPS device is used during 9 days each and the travel diary is filled up during 8 days | Baseline and seven months after the baseline (Month 7) |
| Changes in car use from the baseline and two months after the end of the intervention (Month 9) | Car use (kilometers traveled and modal share) will be measured by calculating the variables of interest from the information mentioned in the travel diary. Travel diary is filled up during 8 days | Baseline and nine months after the baseline (Month 9) |
| Changes in car use from the baseline and six months after the end of the intervention (Month 12) |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in active commuting (classic or electric bike, public transport, walk, carpooling) from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Active commuting will be measured using the GPS tracks and by calculating the variables of interest from travel diary (kilometers traveled, modal share). The GPS device is used during 9 days each and the travel diary is filled up during 8 days. |
| Measure | Description | Time Frame |
|---|---|---|
| Reach of the intervention | Reach of the intervention via the calculation of the ratio of the participants contacted, eligible, and enrolled in the intervention | During the recruitment and enrollement, an average of 2 years |
| Quality of the implementation |
Inclusion Criteria:
Being at least 18 years old at the time of inclusion
• Profile: employed / unemployed / retired / on work-study or apprenticeship
The car/motorcycle/scooter is the main mode of travel during the week (excluding weekends)
Travels 3, 4, or 5 days by car (excluding weekdays)
Thinks about reducing car use or has started to reduce car use - Expect to live and work in the Grenoble area in the next 2 years (Very likely and likely options)
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Aïna Chalabaev, Professor | Laboratoire SENS, Univ. Grenoble-Alpes | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Univ. Grenoble-Alpes | Saint-Martin-d'Hères | Auvergne-Rhône-Alpes | 38400 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 36114537 | Derived | Teran-Escobar C, Duche S, Bouscasse H, Isoard-Gatheur S, Juen P, Lacoste L, Lyon-Caen S, Mathy S, Ployon E, Risch A, Sarrazin P, Slama R, Tabaka K, Treibich C, Chardonnel S, Chalabaev A. InterMob: a 24-month randomised controlled trial comparing the effectiveness of an intervention including behavioural change techniques and free transport versus an intervention including air pollution awareness-raising on car use reduction among regular car users living in Grenoble, France. BMC Public Health. 2022 Sep 16;22(1):1763. doi: 10.1186/s12889-022-14099-4. |
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Data dictionary, statistical analysis plan, informed consent form, analytic code will be shared.
Study Protocole and informed consent form will be available in 2021, the clinical study report and the analytic code will be available after the end of the study (in 2025 or 2026)
Study protocole preprint, informed consent form, clinical study report preprint and analytic code will be available on OSF platform for everybody
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| ID | Term |
|---|---|
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D001519 | Behavior |
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| UNKNOWN |
| Institut National de la Santé Et de la Recherche Médicale, France | OTHER_GOV |
| Métropole Grenoble-Alpes | UNKNOWN |
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Neither the participants nor the outcomes assessors will know the intervention in which each participant is assigned to.
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| Active control: Air pollution information | Other | The active control intervention is based on a discussion about air pollution, the effects of air pollution on health, the association between air pollution and transport. |
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Car use (kilometers traveled and modal share) will be measured by calculating the variables of interest from the information mentioned in the travel diary. Travel diary is filled up during 8 days |
| Baseline and one year after the baseline (Month 12) |
| Changes in car use from the baseline and one year after the end of the intervention (Month 18) | Car use (kilometers traveled and modal share) will be measured using the GPS tracks collected by a GPS device (SenseDoc) and by calculating the variables of interest from the information mentioned in the travel diary. The GPS device is used during 9 days each and the travel diary is filled up during 8 days | Baseline and one year and a half after the baseline (Month 18) |
| Changes in car use from the baseline and one year and a half after the end of the intervention (Month 24) | Car use (kilometers traveled and modal share) will be measured by calculating the variables of interest from the information mentioned in the travel diary. Travel diary is filled up during 8 days | Baseline and two years after the baseline (Month 24) |
| Baseline and one month and a half after the baseline (Month 1) |
| Changes in active commuting (classic or electric bike, public transport, walk, carpooling) from the baseline and the half of the intervention (Month 3) | Active commuting will be measured using the GPS tracks and by calculating the variables of interest from travel diary (kilometers traveled, modal share). The GPS device is used during 9 days each and the travel diary is filled up during 8 days. | Baseline, and three months after the baseline (Month 3) |
| Changes in active commuting (classic or electric bike, public transport, walk, carpooling) from the baseline and the end of the intervention (Month 7) | Active commuting will be measured using the GPS tracks and by calculating the variables of interest from travel diary (kilometers traveled, modal share). The GPS device is used during 9 days each and the travel diary is filled up during 8 days. | Baseline, and seven month after the baseline (Month 7) |
| Changes in active commuting (classic or electric bike, public transport, walk, carpooling) from the baseline and two months after the end of the intervention (Month 9) | Active commuting will be measured by calculating the variables of interest from travel diary (kilometers traveled, modal share). The GPS device is used during 9 days each and the travel diary is filled up during 8 days. | Baseline, and nine months after the baseline (Month 9) |
| Changes in active commuting (classic or electric bike, public transport, walk, carpooling) from the baseline and six months after the end of the intervention (Month 12) | Active commuting will be measured by calculating the variables of interest from travel diary (kilometers traveled, modal share). The GPS device is used during 9 days each and the travel diary is filled up during 8 days. | Baseline, and one year after the baseline (Month 12) |
| Changes in active commuting (classic or electric bike, public transport, walk, carpooling) from the baseline and one year after the end of the intervention (Month 18) | Active commuting will be measured using the GPS tracks and by calculating the variables of interest from travel diary (kilometers traveled, modal share). The GPS device is used during 9 days each and the travel diary is filled up during 8 days. | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in active commuting (classic or electric bike, public transport, walk, carpooling) from the baseline and one year and a half after the end of the intervention (Month 24) | Active commuting will be measured by calculating the variables of interest from travel diary (kilometers traveled, modal share). The GPS device is used during 9 days each and the travel diary is filled up during 8 days. | Baseline, and two years after the baseline (Month 24) |
| Changes in minutes of moderate-to-vigorous physical activity (MVPA) from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | MVPA will be assessed by a tri-axial accelerometer (SenseDoc) with measurement frequency of 60 Hz during 9 days by the IPAQ (International Physical Activity Questionnaire) filled up once for the whole last week | Baseline and one month and a half after the baseline (Month 1) |
| Changes in minutes of moderate-to-vigorous physical activity (MVPA) from the baseline and the half of the intervention (Month 3) | MVPA will be assessed by a tri-axial accelerometer (SenseDoc) with measurement frequency of 60 Hz during 9 days by the IPAQ (International Physical Activity Questionnaire) filled up once for the whole last week | Baseline, and three months after the baseline (Month 3) |
| Changes in minutes of moderate-to-vigorous physical activity (MVPA) from the baseline and the end of the intervention (Month 7) | MVPA will be assessed by a tri-axial accelerometer (SenseDoc) with measurement frequency of 60 Hz during 9 days by the IPAQ (International Physical Activity Questionnaire) filled up once for the whole last week | Baseline, and seven month after the baseline (Month 7) |
| Changes in minutes of moderate-to-vigorous physical activity (MVPA) from the baseline and two months after the end of the intervention (Month 9) | MVPA will be assessed by the IPAQ (International Physical Activity Questionnaire) filled up once for the whole last week | Baseline, and nine months after the baseline (Month 9) |
| Changes in minutes of moderate-to-vigorous physical activity (MVPA) from the baseline and six months after the end of the intervention (Month 12) | MVPA will be assessed by the IPAQ (International Physical Activity Questionnaire) filled up once for the whole last week | Baseline, and one year after the baseline (Month 12) |
| Changes in minutes of moderate-to-vigorous physical activity (MVPA) from the baseline and one year after the end of the intervention (Month 18) | MVPA will be assessed by a tri-axial accelerometer (SenseDoc) with measurement frequency of 60 Hz during 9 days by the IPAQ (International Physical Activity Questionnaire) filled up once for the whole last week | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in minutes of moderate-to-vigorous physical activity (MVPA) from the baseline and one year and a half after the end of the intervention (Month 24) | MVPA will be assessed by the IPAQ (International Physical Activity Questionnaire) filled up once for the whole last week | Baseline, and two years after the baseline (Month 24) |
| Changes in exposure to air quality from the baseline and the end of the intervention (Month 7) | Exposure to air quality will be measured by the assessment of the concentration and composition of fine particles using a pollution captor (MicroPEMTM) during 8 days | Baseline, and seven month after the baseline (Month 7) |
| Changes in exposure to air quality from the baseline and one year after the end of the intervention (Month 18) | Exposure to air quality will be measured by the assessment of the concentration and composition of fine particles using a pollution captor (MicroPEMTM) during 8 days | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in self-reported quality of life from the baseline and the half of the intervention (Month 3) | Self-reported quality of life via questionnaire SF-12 (scale from 1 poor health to 5 good health) | Baseline, and three months after the baseline (Month 3) |
| Changes in self-reported quality of life from the baseline and the end of the intervention (Month 7) | SSelf-reported quality of life via questionnaire SF-12 (scale from 1 poor health to 5 good health) | Baseline, and seven month after the baseline (Month 7) |
| Changes in self-reported quality of life from the baseline and six months after the end of the intervention (Month 12) | Self-reported quality of life via questionnaire SF-12 (scale from 1 poor health to 5 good health) | Baseline, and one year after the baseline (Month 12) |
| Changes in self-reported quality of life from the baseline and one year and a half after the end of the intervention (Month 24) | Self-reported quality of life via questionnaire SF-12 (scale from 1 poor health to 5 good health) | Baseline, and two years after the baseline (Month 24) |
| Changes in self-reported biometrics from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Self-reported biometrics via biometric questionnaire | Baseline and one month and a half after the baseline (Month 1) |
| Changes in self-reported biometrics from the baseline and the half of the intervention (Month 3) | Self-reported biometrics via biometric questionnaire | Baseline, and three months after the baseline (Month 3) |
| Changes in self-reported biometrics from the baseline and the end of the intervention (Month 7) | Self-reported biometrics via biometric questionnaire | Baseline, and seven month after the baseline (Month 7) |
| Changes in self-reported biometrics from the baseline and one year after the end of the intervention (Month 18) | Self-reported biometrics via biometric questionnaire | Baseline, and one year and a half after the baseline (Month 18) |
| Motivational stage from the baseline and the end of the intervention (Month 7) | Motivational stage via a Stage-of-change questionnaire (Biehl et al., 2018) | Baseline, and seven month after the baseline (Month 7) |
| Motivational stage from the baseline and six months after the end of the intervention (Month 12) | Motivational stage via a Stage-of-change questionnaire (Biehl et al., 2018) (three questions that allow to classifie the people in precontemplation, contemplation, preparation, action, maintenance) | Baseline, and one year after the baseline (Month 12) |
| Motivational stage from the baseline and one year after the end of the intervention (Month 18) | Motivational stage via a Stage-of-change questionnaire (Biehl et al., 2018) (three questions that allow to classifie the people in precontemplation, contemplation, preparation, action, maintenance) | Baseline, and one year and a half after the baseline (Month 18) |
| Motivational stage from the baseline and one year and a half after the end of the intervention (Month 24) | Motivational stage via a Stage-of-change questionnaire (Biehl et al., 2018) (three questions that allow to classifie the people in precontemplation, contemplation, preparation, action, maintenance) | Baseline, and two years after the baseline (Month 24) |
| Green self-identity from the baseline and the end of the intervention (Month 7) | Green self-identity via green self-identity (Lalot et al. 2019) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of green self-identity | Baseline, and seven month after the baseline (Month 7) |
| Green self-identity from the baseline and six months after the end of the intervention (Month 12) | Green self-identity via green self-identity (Lalot et al. 2019) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of green self-identity | Baseline, and one year after the baseline (Month 12) |
| Green self-identity from the baseline and one year after the end of the intervention (Month 18) | Green self-identity via green self-identity (Lalot et al. 2019) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of green self-identity | Baseline, and one year and a half after the baseline (Month 18) |
| Green self-identity from the baseline and one year and a half after the end of the intervention (Month 24) | Green self-identity via green self-identity (Lalot et al. 2019) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of green self-identity | Baseline, and two years after the baseline (Month 24) |
| Changes in habits of alternative modes to the car and car use from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Habits of alternative modes to the car and car use via self-report habit index (Gardner et al., 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of habit | Baseline and one month and a half after the baseline (Month 1) |
| Changes in habits of alternative modes to the car and car use from the baseline and the half of the intervention (Month 3) | Habits of alternative modes to the car and car use via self-report habit index (Gardner et al., 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of habit | Baseline, and three months after the baseline (Month 3) |
| Changes in habits of alternative modes to the car and car use from the baseline and the end of the intervention (Month 7) | Habits of alternative modes to the car and car use via self-report habit index (Gardner et al., 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of habit | Baseline, and seven month after the baseline (Month 7) |
| Changes in habits of alternative modes to the car and car use from the baseline and two months after the end of the intervention (Month 9) | Habits of alternative modes to the car and car use via self-report habit index (Gardner et al., 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of habit | Baseline, and nine months after the baseline (Month 9) |
| Changes in habits of alternative modes to the car and car use from the baseline and six months after the end of the intervention (Month 12) | Habits of alternative modes to the car and car use via self-report habit index (Gardner et al., 2012) | Baseline, and one year after the baseline (Month 12) |
| Changes in habits of alternative modes to the car and car use from the baseline and one year after the end of the intervention (Month 18) | Habits of alternative modes to the car and car use via self-report habit index (Gardner et al., 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of habit | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in habits of alternative modes to the car and car use from the baseline and one year and a half after the end of the intervention (Month 24) | Habits of alternative modes to the car and car use via self-report habit index (Gardner et al., 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of habit | Baseline, and two years after the baseline (Month 24) |
| Changes in intention toward alternative modes to the car and car use from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Intention toward alternative modes to the car and car use via intention questionnaire (Godin, 2012) | Baseline and one month and a half after the baseline (Month 1) |
| Changes in intention toward alternative modes to the car and car use from the baseline and the half of the intervention (Month 3) | Intention toward alternative modes to the car and car use via intention questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention | Baseline, and three months after the baseline (Month 3) |
| Changes in intention toward alternative modes to the car and car use from the baseline and the end of the intervention (Month 7) | Intention toward alternative modes to the car and car use via intention questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention | Baseline, and seven month after the baseline (Month 7) |
| Changes in intention toward alternative modes to the car and car use from the baseline and two months after the end of the intervention (Month 9) | Intention toward alternative modes to the car and car use via intention questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention | Baseline, and nine months after the baseline (Month 9) |
| Changes in intention toward alternative modes to the car and car use from the baseline and six months after the end of the intervention (Month 12) | Intention toward alternative modes to the car and car use via intention questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention | Baseline, and one year after the baseline (Month 12) |
| Changes in intention toward alternative modes to the car and car use from the baseline and one year after the end of the intervention (Month 18) | Intention toward alternative modes to the car and car use via intention questionnaire (Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in intention toward alternative modes to the car and car use from the baseline and one year and a half after the end of the intervention (Month 24) | Intention toward alternative modes to the car and car use via intention questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention | Baseline, and two years after the baseline (Month 24) |
| Changes in self-efficacy for alternative modes and for the car from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Self-efficacy for alternative modes and for the car via self-efficacy questionnaire (Schwarzer et al., 2015) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of self-efficacy | Baseline and one month and a half after the baseline (Month 1) |
| Changes in self-efficacy for alternative modes and for the car from the baseline and the half of the intervention (Month 3) | Self-efficacy for alternative modes and for the car via self-efficacy questionnaire (Schwarzer et al., 2015)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of self-efficacy | Baseline, and three months after the baseline (Month 3) |
| Changes in self-efficacy for alternative modes and for the car from the baseline and the end of the intervention (Month 7) | Self-efficacy for alternative modes and for the car via self-efficacy questionnaire (Schwarzer et al., 2015) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of self-efficacy | Baseline, and seven month after the baseline (Month 7) |
| Changes in self-efficacy for alternative modes and for the car from the baseline and two months after the end of the intervention (Month 9) | Self-efficacy for alternative modes and for the car via self-efficacy questionnaire (Schwarzer et al., 2015) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of self-efficacy | Baseline, and nine months after the baseline (Month 9) |
| Changes in self-efficacy for alternative modes and for the car from the baseline and six months after the end of the intervention (Month 12) | Self-efficacy for alternative modes and for the car via self-efficacy questionnaire (Schwarzer et al., 2015) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of self-efficacy | Baseline, and one year after the baseline (Month 12) |
| Changes in self-efficacy for alternative modes and for the car from the baseline and one year after the end of the intervention (Month 18) | Self-efficacy for alternative modes and for the car via self-efficacy questionnaire (Schwarzer et al., 2015) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of self-efficacy | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in self-efficacy for alternative modes and for the car from the baseline and one year and a half after the end of the intervention (Month 24) | Self-efficacy for alternative modes and for the car via self-efficacy questionnaire (Schwarzer et al., 2015) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of self-efficacy | Baseline, and two years after the baseline (Month 24) |
| Changes in intention implementation from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Intention implementation via intention implementation questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention implementation | Baseline and one month and a half after the baseline (Month 1) |
| Changes in intention implementation from the baseline and the half of the intervention (Month 3) | Intention implementation via intention implementation questionnaire (Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention implementation | Baseline, and three months after the baseline (Month 3) |
| Changes in intention implementation from the baseline and the end of the intervention (Month 7) | Intention implementation via intention implementation questionnaire (Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention implementation | Baseline, and seven month after the baseline (Month 7) |
| Changes in intention implementation from the baseline and two months after the end of the intervention (Month 9) | Intention implementation via intention implementation questionnaire (Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention implementation | aseline, and nine months after the baseline (Month 9) |
| Changes in intention implementation from the baseline and six months after the end of the intervention (Month 12) | Intention implementation via intention implementation questionnaire (Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention implementation | Baseline, and one year after the baseline (Month 12) |
| Changes in intention implementation from the baseline and one year after the end of the intervention (Month 18) | Intention implementation via intention implementation questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention implementation | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in intention implementation from the baseline and one year and a half after the end of the intervention (Month 24) | Intention implementation via intention implementation questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of intention implementation | Baseline, and two years after the baseline (Month 24) |
| Changes in attitudes toward alternative modes to the car and toward car use from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Attitudes toward alternative modes to the car and toward car use via attitudes questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of positive or negative attitudes | Baseline and one month and a half after the baseline (Month 1) |
| Changes in attitudes toward alternative modes to the car and toward car use from the baseline and the half of the intervention (Month 3) | Attitudes toward alternative modes to the car and toward car use via attitudes questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of positive or negative attitudes | Baseline, and three months after the baseline (Month 3) |
| Changes in attitudes toward alternative modes to the car and toward car use from the baseline and the end of the intervention (Month 7) | Attitudes toward alternative modes to the car and toward car use via attitudes questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of positive or negative attitudes | Baseline, and seven month after the baseline (Month 7) |
| Changes in attitudes toward alternative modes to the car and toward car use from the baseline and two months after the end of the intervention (Month 9) | Attitudes toward alternative modes to the car and toward car use via attitudes questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of positive or negative attitudes | Baseline, and nine months after the baseline (Month 9) |
| Changes in attitudes toward alternative modes to the car and toward car use from the baseline and six months after the end of the intervention (Month 12) | Attitudes toward alternative modes to the car and toward car use via attitudes questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of positive or negative attitudes | Baseline, and one year after the baseline (Month 12) |
| Changes in attitudes toward alternative modes to the car and toward car use from the baseline and one year after the end of the intervention (Month 18) | Attitudes toward alternative modes to the car and toward car use via attitudes questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of positive or negative attitudes | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in attitudes toward alternative modes to the car and toward car use from the baseline and one year and a half after the end of the intervention (Month 24) | Attitudes toward alternative modes to the car and toward car use via attitudes questionnaire (Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of positive or negative attitudes | Baseline, and two years after the baseline (Month 24) |
| Changes in perceived susceptibility and perceived severity of getting coronavirus disease from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Perceived susceptibility and perceived severity of getting coronavirus disease via perceived risks questionnaire (Nexøe et al., 1999) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of perceived risks of getting COVID | Baseline and one month and a half after the baseline (Month 1) |
| Changes in perceived susceptibility and perceived severity of getting coronavirus disease from the baseline and the half of the intervention (Month 3) | Perceived susceptibility and perceived severity of getting coronavirus disease via perceived risks questionnaire (Nexøe et al., 1999)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of perceived risks of getting COVID | Baseline, and three months after the baseline (Month 3) |
| Changes in perceived susceptibility and perceived severity of getting coronavirus disease from the baseline and the end of the intervention (Month 7) | Perceived susceptibility and perceived severity of getting coronavirus disease via perceived risks questionnaire (Nexøe et al., 1999)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of perceived risks of getting COVID | Baseline, and seven month after the baseline (Month 7) |
| Changes in perceived susceptibility and perceived severity of getting coronavirus disease from the baseline and two months after the end of the intervention (Month 9) | Perceived susceptibility and perceived severity of getting coronavirus disease via perceived risks questionnaire (Nexøe et al., 1999)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of perceived risks of getting COVID | Baseline, and nine months after the baseline (Month 9) |
| Changes in perceived susceptibility and perceived severity of getting coronavirus disease from the baseline and six months after the end of the intervention (Month 12) | Perceived susceptibility and perceived severity of getting coronavirus disease via perceived risks questionnaire (Nexøe et al., 1999)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of perceived risks of getting COVID | Baseline, and one year after the baseline (Month 12) |
| Changes in perceived susceptibility and perceived severity of getting coronavirus disease from the baseline and one year after the end of the intervention (Month 18) | Perceived susceptibility and perceived severity of getting coronavirus disease via perceived risks questionnaire (Nexøe et al., 1999)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of perceived risks of getting COVID | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in perceived susceptibility and perceived severity of getting coronavirus diseasefrom the baseline and one year and a half after the end of the intervention (Month 24) | Perceived susceptibility and perceived severity of getting coronavirus disease via perceived risks questionnaire (Nexøe et al., 1999)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of perceived risks of getting COVID | Baseline, and two years after the baseline (Month 24) |
| Changes in subjective norms toward alternative modes to the car and car use from the baseline and and the beginning of the intervention (one month after the beginning of the intervention, Month 1) | Subjective norms toward alternative modes to the car and car use via subjective norms questionnaire(Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of subjective norms | Baseline and one month and a half after the baseline (Month 1) |
| Changes in subjective norms toward alternative modes to the car and car use from the baseline and the half of the intervention (Month 3) | Subjective norms toward alternative modes to the car and car use via subjective norms questionnaire(Godin, 2012) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of subjective norms | Baseline, and three months after the baseline (Month 3) |
| Changes in subjective norms toward alternative modes to the car and car use from the baseline and the end of the intervention (Month 7) | Subjective norms toward alternative modes to the car and car use via subjective norms questionnaire(Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of subjective norms | Baseline, and seven month after the baseline (Month 7) |
| Changes in subjective norms toward alternative modes to the car and car use from the baseline and two months after the end of the intervention (Month 9) | Subjective norms toward alternative modes to the car and car use via subjective norms questionnaire(Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of subjective norms | aseline, and nine months after the baseline (Month 9) |
| Changes in subjective norms toward alternative modes to the car and car use from the baseline and six months after the end of the intervention (Month 12) | Subjective norms toward alternative modes to the car and car use via subjective norms questionnaire(Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of subjective norms | Baseline, and one year after the baseline (Month 12) |
| Changes in subjective norms toward alternative modes to the car and car use from the baseline and one year after the end of the intervention (Month 18) | Subjective norms toward alternative modes to the car and car use via subjective norms questionnaire(Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of subjective norms | Baseline, and one year and a half after the baseline (Month 18) |
| Changes in subjective norms toward alternative modes to the car and car use from the baseline and one year and a half after the end of the intervention (Month 24) | Subjective norms toward alternative modes to the car and car use via subjective norms questionnaire(Godin, 2012)(scale from 1, Very much disagree and 7, strongly agree) to measure the strength of subjective norms | Baseline, and two years after the baseline (Month 24) |
| Changes in carbon footprint associated to transport | Carbon footprint associated to transport will be calculated considering the motorization (and type of car), kilometers traveled by car, and the use of alternative modes to the car | To be defined |
Quality of the implementation via a checklist of al the tasks completed by the "mobility coach" (using a scale of yes or no)
| During the implementation of the intervention, an average of 2 years |
| Travel satisfaction | Travel satisfaction via satisfaction travel scale (Ettema et al. 2011) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of travel satisfaction | Baseline |
| Autonomous and controlled motivation for alternative modes to the car | Autonomous and controlled motivation for alternative modes to the car via an adapted version of the motivation scale toward health-oriented physical activity (Boiché et al. 2019) (scale from 1, Very much disagree and 7, strongly agree) to measure the strength of autonomous motivation and controlled motivation | Month 0 |
| Accessibility and fluidity according to transport modes | Accessibility and fluidity according to transport modes via the calculation of spatial information associated with the place of residenc, place of work and the type of travel | Baseline |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | Baseline |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | One month and a half after the baseline (Month 1) |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | Three months after the baseline (Month 3) |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | Seven months after the baseline (Month 7) |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | Nine months after the baseline (Month 9) |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | One year after the baseline (Month 12) |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | One year and a half after the baseline (Month 18) |
| Self-control ressources | Self-control ressources via the scale of availability of self-control resources (Ryan & Frederick, 1997) (scale from 1, Very much disagree and 7, strongly agree) to measure the amount of self-control ressources | Two years after the baseline (Month 24) |