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Dementia has a major impact on people with dementia and their family. Informal caregivers of people with dementia are at higher risk of developing depressive symptoms compared to informal caregivers of people with other chronic diseases. Therefore, supporting this group of informal caregivers is particularly important. With an online program based on Acceptance and Commitment Therapy (ACT), this study supports caregivers of people with dementia to lead a more meaningful and less stressful life. In addition to following the online program, caregivers are supported weekly by a coach, who helps to set goals, map important values in life, and take actions in relevant areas. The current study aims to examine the (1) feasibility and acceptability of the intervention and its procedure and; (2) preliminary effectiveness of the intervention on clinical outcomes (e.g. psychological flexibility and self-competence); and (3) maintenance of change after the intervention in short-and long-term follow-ups. This study includes a single-arm, non-randomized trial with a baseline assessment, a 9-week internet-based intervention period, a post-intervention assessment, and two follow-ups at 3 and 6 months. ACT is a promising form of therapy that has previously been shown to be effective in increasing the mental well-being of caregivers. However, this is the first study to combine online ACT modules, goal-setting, and weekly coaching for informal caregivers of people with dementia.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Single-arm non-randomised | Experimental | This study includes a baseline assessment, a 9-week (with the possibility of extension to 12 weeks) blended intervention period, a post-intervention assessment, and two follow-ups at 3 and 6 months. Informal caregivers of people with dementia (with at least 18-year-old) with no restriction in terms of sex, educational level, or ethnic background will be included. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Blended intervention based in acceptance and commitment therapy | Behavioral | Blended intervention includes completing 9 e-modules consist of written material, videos, and assignments (one e-module per week) that can be completed over 9 to 12 weeks AND 9 (to 12 ) coaching sessions (telephone call). Weekly coaching will be offered by a motivational coach based in Maastricht University. After the post-intervention assessments, individuals will receive monthly calls from the motivational coach as "booster sessions". Booster sessions will be received on monthly basis for a period of 6 months (one session per month) and until the last follow-up assessment. Communication with participants will take place online or via telephone. |
| Measure | Description | Time Frame |
|---|---|---|
| Assessing change in depression, anxiety, and stress | Measure the emotional states of depression, anxiety and stress will be assessed by DASS-21 self-report questionnaire. DASS-21 has three sections (7-items per section) that measure depression, anxiety, and stress on a 4-point Likert scale (0= the statement did not apply to me at all, 4= the statement applied to me very much or most of the time. DASS-21 is a validated scale that has been used in previous studies and has been recommended for measuring the dimensions of depression, anxiety, and stress. | Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention.. |
| Assessing change in sense of competence | Informal caregivers' sense of competence indicates the feelings of being capable of caring for a person with dementia. Short Sense of Competence Questionnaire (SSCQ) is a valid and reliable scale which has been used in previous studies with a similar target population and consists of seven items rated on a 5-point scale from 1 ("agree very strongly") to 5 ("disagree very strongly") | Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention.. |
| Assessing change in self efficacy | The Caregiver Self-Efficacy Scale (CSES) is based on a Dutch adaptation of the Lorig et al. CSES evaluates caregiver self-efficacy (four item) and service-use self-efficacy (five items) and item scores range from 1 (uncertain) to 10 (very certain). Previous research has shown that CSES is valid and reliable | Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention.. |
| Assessing change in perceived burden | Caregiver burden will be measured by a one-item questionnaire. The perseverance-time question will ask: if the informal caregiver's current situation persists, for how long (in month) the informal caregiver thinks they are able to maintain caregiving. This questionnaire is a good predictor for institutionalisation. |
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| Measure | Description | Time Frame |
|---|---|---|
| Assessing change in psychological flexibility | Psychological flexibility is defined as the ability to be accepting, flexible and conscious in facing challenging situations and the ability to stay engaged with valued activities. This factor will be assessed by Acceptance and Action Questionnaire II, (AAQ-II) which has been reported to be valid, reliable and psychometrically consistent . 10 Items are scored on a 7-point Likert scale and higher scores indicate more psychological flexibility |
Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Maastricht University | Maastricht | Limburg | 6229 ET | Netherlands |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37709305 | Derived | Atefi GL, van Knippenberg RJM, Bartels SL, Verhey FR, de Vugt M. Blended intervention based on acceptance and commitment therapy for informal caregivers of people with dementia (ACT-IC): protocol of a mixed-methods feasibility study. BMJ Open. 2023 Sep 13;13(9):e070499. doi: 10.1136/bmjopen-2022-070499. |
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Dara will be shared and handled based on the data management plan supported by the Clinical Trial Centre Maastricht.
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| Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention.. |
| Acceptability | Will be assessed qualitatively during a semi-structured interview based on Program Participation Questionnaire (PPQ) | Will be assessed after completing the 9-week intervention |
| Perceived feasibility | Brief self-report feasibility questionnaire | Will be assessed after completing each module (during the intervention). 9 time for 9 modules. |
| Perceived feasibility and acceptability | Will be assessed qualitatively during the semi-structured interview | After the last follow up assessment (6-month) |
| Attrition | Number of drop outs of study after collecting informed consent | During the study (duration of study is expected to be 1.5 year) |
| Perceived feasibility and acceptability | Will be assessed qualitatively during coaching sessions | 9 (to 12) times. One telephone call per week over 9 (to 12) weeks of intervention. |
| Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention. |
| Assessing change in resilience | Changes in psychological flexibility and functional coping with negative thoughts and feelings in informal caregivers will be assessed using the Flexibility Index Test (FIT-60). This reliable and valid questionnaire will assess six different ACT processes (acceptance, diffusion, self as context, attention to present moment and values, and dedicated action) and can monitor the progress of the ACT therapy. The questionnaire consists of 60 items and is scored on a seven-point Likert scale (0= completely disagree, 6= completely agree). Higher score reflects on higher psychological flexibility. | Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention. |
| Assessing change in values | Important areas of life will be identified by the Valued Living Questionnaire (VLQ), which individuals rate level of importance of 12 different areas (e.g. family, work) on 10-point Likert scale (1= the area is not important at all, 10= the area is very important). The most important area will be considered as individuals' "value" at their current stage of life. The psychometric properties have been investigated in previous studies. | Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention. |
| Assessing change in committed actions | The extent to which individuals have been actively living in accordance with their values will be assessed by the Engaged Living Scale (ELS). ELS has been recommended for assessing committed actions and value engagement . ELS consists of 16-items in which individual should reflect in statements based on 5-point Likert scale (1=strongly disagree, 5= strongly agree) | Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention. |
| Assessing change in gaol attainment | Goal-attainment scaling will be conducted qualitatively and will be measured as part of the weekly coaching and booster sessions. Level of goal achievement since the last coaching session and the extent to which participants could achieve their goals at expected level will be discussed | Will be assessed at baseline, after completing the intervention (9 to 12 weeks), 3month after intervention, and 6 month after intervention. |