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Physical inactivity is a major public health problem and a primary contributing factor to the obesity epidemic. While most Americans do not meet the physical activity (PA) guidelines (30 min/day, 5 day/wk), they do report watching several hours of TV each day, and frequently site "lack of time" as a barrier for engaging in PA. The Physical Activity and Leisure-time Study examines an approach convert sedentary TV watching into active TV watching time by having adults step in place during commercials (TV commercial stepping).
This randomized controlled trial will examine the effects of a PA prescription of TV commercial stepping for at least 90 min/day of TV programming, with that of walking at least 30 min/day (30 min walk) on daily step counts, TV viewing, and diet during a 24 week PA intervention. Sedentary, overweight or obese, adults will be randomly assigned to either the TV commercial stepping, or 30 min walk group during a 24-week behavioral PA intervention. Both groups will attend 8 sessions, but receive different PA goals. PA, TV watching time, diet, and anthropometric data will be collected at 0, 12, and 24 weeks. It is hypothesized that the TV commercial stepping condition will, show an equal increase in PA at 12 and 24 weeks as compared to the 30-min walk condition. Neither group is hypothesized to demonstrate changes in TV viewing time, dietary intake, or weight.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 30-min walk | Active Comparator | Instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Participants were permitted to exercise in one long bout (30 min) or divide the exercise into multiple bouts as long as the bout length was 10 min or greater. |
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| TV commercial stepping | Experimental | Instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Rather than exercising continuously for at least 10-minute bouts, participants performed multiple (~9 or 10), short (~3-5 min) bouts, conveniently incorporated into their daily TV viewing time. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| TV commercial stepping | Behavioral | Participants were instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Physical Activity (Steps/Day) | Change in pedometer measured steps per day between 0 and 6 months | 0 and 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Total Energy Intake | Change in total energy intake(kcals/day) between 0 and 6 months | 0 and 6 months |
| TV Related Energy Intake | Change in energy intake (kcals/day) while watching TV between 0 and 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jeremy A Steeves, MS | University of Tennessee | Principal Investigator |
| Dixie Lee Thompson, Phd | University of Tennessee | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| HPER Building, 1914 Andy Holt Ave. | Knoxville | Tennessee | 37920 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 26383783 | Derived | Steeves JA, Bassett DR, Fitzhugh EC, Raynor H, Cho C, Thompson DL. Physical Activity With and Without TV Viewing: Effects on Enjoyment of Physical Activity and TV, Exercise Self-Efficacy, and Barriers to Being Active in Overweight Adults. J Phys Act Health. 2016 Apr;13(4):385-91. doi: 10.1123/jpah.2015-0108. Epub 2015 Sep 17. | |
| 22866941 |
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recruited by flyers and newspaper advertisements, were enrolled in a university-based PA program during the months of September through November, 2010.
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| ID | Title | Description |
|---|---|---|
| FG000 | 30-min Walk | Instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Participants were permitted to exercise in one long bout (30 min) or divide the exercise into multiple bouts as long as the bout length was 10 min or greater. 30-min walk : Participants were instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
| FG001 | TV Commercial Stepping | Instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Rather than exercising continuously for at least 10-minute bouts, participants performed multiple (~9 or 10), short (~3-5 min) bouts, conveniently incorporated into their daily TV viewing time. TV commercial stepping : Participants were instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | 30-min Walk | Instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Participants were permitted to exercise in one long bout (30 min) or divide the exercise into multiple bouts as long as the bout length was 10 min or greater. 30-min walk : Participants were instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Physical Activity (Steps/Day) | Change in pedometer measured steps per day between 0 and 6 months | Posted | Mean | Standard Deviation | steps/day | 0 and 6 months |
|
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | 30-min Walk | Instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Participants were permitted to exercise in one long bout (30 min) or divide the exercise into multiple bouts as long as the bout length was 10 min or greater. 30-min walk : Participants were instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
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Small sample size, disproportionate female gender participation, and limited ethnic diversity. No follow up after 6 months. No control group, that received no intervention.
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Jeremy Steeves Ph.D. | National Cancer Institute | (865)-308-3506 | jeremy.steeves@nih.gov |
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| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D001835 | Body Weight |
| D057185 | Sedentary Behavior |
| ID | Term |
|---|---|
| D001519 | Behavior |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D016138 | Walking |
| ID | Term |
|---|---|
| D008124 | Locomotion |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |
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|
|
| 30-min walk | Behavioral | Participants were instructed to use "brisk" walking (at least 30 min/day in bouts of at least 10 min) at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
|
|
| 0 and 6 months |
| Weight | Change in weight in kgs between 0 and 6 months | 0 and 6 months |
| TV Viewing Time | Change in self-reported TV viewing time per day between 0 and 6 months | 0 and 6 months |
| Steeves JA, Bassett DR, Fitzhugh EC, Raynor HA, Thompson DL. Can sedentary behavior be made more active? A randomized pilot study of TV commercial stepping versus walking. Int J Behav Nutr Phys Act. 2012 Aug 6;9:95. doi: 10.1186/1479-5868-9-95. |
| BG001 | TV Commercial Stepping | Instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Rather than exercising continuously for at least 10-minute bouts, participants performed multiple (~9 or 10), short (~3-5 min) bouts, conveniently incorporated into their daily TV viewing time. TV commercial stepping : Participants were instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
| BG002 | Total | Total of all reporting groups |
| Participants |
|
| Age Continuous | Mean | Standard Deviation | years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Region of Enrollment | Number | participants |
|
| OG001 |
| TV Commercial Stepping |
Instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Rather than exercising continuously for at least 10-minute bouts, participants performed multiple (~9 or 10), short (~3-5 min) bouts, conveniently incorporated into their daily TV viewing time. TV commercial stepping : Participants were instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention |
|
|
| Secondary | Total Energy Intake | Change in total energy intake(kcals/day) between 0 and 6 months | Posted | Mean | Standard Deviation | kcals/day | 0 and 6 months |
|
|
|
| Secondary | TV Related Energy Intake | Change in energy intake (kcals/day) while watching TV between 0 and 6 months | Posted | Mean | Standard Deviation | kcals/day | 0 and 6 months |
|
|
|
| Secondary | Weight | Change in weight in kgs between 0 and 6 months | Posted | Mean | Standard Deviation | kg | 0 and 6 months |
|
|
|
| Secondary | TV Viewing Time | Change in self-reported TV viewing time per day between 0 and 6 months | Posted | Mean | Standard Deviation | hr/day | 0 and 6 months |
|
|
|
| 0 |
| 29 |
| 0 |
| 29 |
| EG001 | TV Commercial Stepping | Instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Rather than exercising continuously for at least 10-minute bouts, participants performed multiple (~9 or 10), short (~3-5 min) bouts, conveniently incorporated into their daily TV viewing time. TV commercial stepping : Participants were instructed to stand and "briskly" step in place, or "briskly" walk continuously around the room/house for the duration of each commercial break during at least 90 min of TV programming on at least 5 days/week. Both conditions will receive an ankle mounted Omron pedometer, so they were able to track their steps each day. Participants were not given instructions concerning diet modification or modifying TV viewing time during a 6 month behavioral physical activity intervention | 0 | 29 | 0 | 29 |
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| D015444 | Exercise |
| D009043 | Motor Activity |