Physical Activity Clinical Trial
Official title:
Family Planning to Promote Regular Physical Activity: A Randomized Controlled Trial
Verified date | October 2017 |
Source | University of Victoria |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The primary research question is:
1) Does the planning condition improve adherence to regular physical activity compared to the
control condition at six months? Hypothesis: Adherence will be higher for the planning
condition in comparison to the more standard physical activity education condition. The
effect may wane over time from the initial measurement period but all outcomes will remain
significantly higher at six months.
Secondary Research Questions
1. Does the planning condition improve motivational, health-related quality of life, and
health-related fitness outcomes compared to the control condition at six months?
Hypothesis: The planning condition will not affect intentions or underlying motives
(theory of planned behaviour constructs) for physical activity because its effect on
behavior is to tie initial intentions better to behavioural action (i.e., behavioural
regulation) and not to enhance motivation. Health-related fitness and quality of life,
however, will be higher for the planning condition in comparison to the standard
physical activity education intervention condition. The effect may wane over time from
the initial measurement period but all outcomes will remain significantly higher at six
months in the planning condition compared to the standard physical activity education
group.
2. Can group differences among these motivational, behavioural, and health-related fitness
outcomes be explained through a mediation model? Hypothesis: The covariance of the
assigned conditions (planning, education) on use/adherence will be explained by planning
and use of behavioural regulation strategies (i.e., manipulation check). In turn, the
covariance between planning and behavioural regulation strategies and health-related
outcomes will be explained by physical activity adherence among conditions.
3. Can motivational variables predict adherence? Do these differ by condition?
Hypothesis: The approach will test Ajzen's theory of planned behavior, extended by the
concept of active planning. Affective attitude and perceived behavioural control will
predict intention, intention will predict planning and planning will predict adherence
across conditions.
4. Is there an intergenerational, seasonal, or gender difference across primary outcomes by
assigned condition? Hypothesis: Children will show greater adherence to the planning
condition than their parents. No differences in gender or season are hypothesized but
these are exploratory research questions because there is limited research at present to
make any definitive statement.
Status | Completed |
Enrollment | 160 |
Est. completion date | August 2016 |
Est. primary completion date | August 2016 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 6 Years and older |
Eligibility |
Inclusion Criteria: - parents with children between the ages of 6 and 12 years - self-report low family physical activity - target child is not meeting Canada's Physical Activity guidelines Exclusion Criteria: - participant is unsafe to participate in physical activity as determined by answers to the Physical Activity Readiness Questionnaire (PAR-Q) |
Country | Name | City | State |
---|---|---|---|
Canada | Behavioural Medicine Laboratory | Victoria | British Columbia |
Lead Sponsor | Collaborator |
---|---|
University of Victoria | Canadian Institutes of Health Research (CIHR), Dalhousie University, University of British Columbia |
Canada,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change from baseline in children's physical activity to 6 months | Children's physical activity will be quantified by accelerometry. Children will wear an accelerometer for a minimum of 10 hours per day for 7 days at baseline and 6 months. Additionally this measure will assess intermediate outcomes at 6 weeks and 3 months. | baseline & 6 months | |
Secondary | Change from baseline in parent's physical activity at 6 months | Parent's physical activity will be quantified by accelerometry. Parents will wear an accelerometer for 7 days at baseline, 6 weeks, 3 and 6 months, for a minimum of 10 hours per day. | baseline & 6 months | |
Secondary | Change from baseline in motivation at 6 weeks | Motivations for family based physical activity and personal physical activity will be measured using the constructs of the TPB and SDT including affective attitude, instrumental attitude, injunctive norm, descriptive norm, perceived control, behavioural, normative, control beliefs, intrinsic motivation, extrinsic motivation, and amotivation. The Behavioural Regulations in Exercise Questionnaire-2 (BREQ-2) will be completed by both parents and the target child. Change in motivation variables will be examined (6 weeks minus baseline). | baseline & 6 weeks | |
Secondary | Change from baseline in self-reported family based physical activity and personal physical activity at 6 weeks | The target child will complete a modified version of the Physical Activity Questionnaire for Children (PAQ-C) to assess habitual moderate to vigorous physical activity. The Godin Leisure-Time Exercise Questionnaire (LSI) will be used to measure self-reported physical activity in parents. The LSI contains three questions, which assess the frequency of mild, moderate, and strenuous activity performed for at least 15 minutes during free time in a typical week. Change in self-reported physical activity will be examined (6 weeks minus baseline). | baseline & 6 weeks | |
Secondary | Change from baseline in health-related quality of life / psychosocial distress at 6 months | Quality of life will be assessed with parents using the Satisfaction with Life Scale and the 12 item Short Form Health Survey. The target child's quality of life will be assessed using the 5-item Satisfaction with Life Scale Adapted for Children (SWLS-C). Change in health-related quality of life/ psychosocial distress from baseline to 6 months (i.e., post-intervention) will be examined. | baseline & 6 months | |
Secondary | Change from baseline in physical home environment at 6 months | The physical home environment will be assessed using three sections from the Active Where surveys (i.e., Section A. equipment checklist, Section P. Home Environment, & Section R. Sedentary Behavior). The Active Where surveys include items designed to to assess how the physical environment impacts the physical activity and eating behaviors of youth. Change in physical environment will be examined from baseline to 6 months (post-intervention). | baseline and 6 months | |
Secondary | Change from baseline in body composition at 6 months. | Skinfolds (triceps, biceps, subscapular, supra iliac, medial calf) will be measured using standard anthropometric procedures. Change in body mass index (BMI), waist circumference, and sum of 5 sites will be examined from baseline to 6 months (post-intervention) | baseline and 6 months | |
Secondary | Change from baseline in cardiovascular fitness at 6 months | A single state treadmill walking test will be used to assess cardiovascular fitness in both parents and target child. Heart rate, and blood pressure (sphygmomanometer and a stethoscope) will be monitored at rest and during exercise. Change in cardiovascular fitness from baseline to 6 months (i.e., post-intervention) will be examined. | baseline and 6 months | |
Secondary | Change from baseline in motivation at 3 months | Motivations for physical activity will be using the constructs of the TPB and SDT including affective attitude, instrumental attitude, injunctive norm, descriptive norm, perceived control, behavioural, normative, control beliefs, intrinsic motivation, extrinsic motivation, and amotivation. The BREQ-2 will be completed by both parents and the target child. Change in motivation variables will be examined (3 months minus baseline). | baseline and 3 months | |
Secondary | Change from baseline in self-reported physical activity at 3 months | The target child will complete a modified version of the PAQ-C to assess habitual moderate to vigorous physical activity. The LSI will be used to measure self-reported physical activity in parents. The LSI contains three questions, which assess the frequency of mild, moderate, and strenuous activity performed for at least 15 minutes during free time in a typical week. Change in self-reported physical activity will be examined (3 months minus baseline). | baseline and 3 months | |
Secondary | Change from baseline in motivation at 6 months | Motivations for physical activity will be using the constructs of the TPB and SDT including affective attitude, instrumental attitude, injunctive norm, descriptive norm, perceived control, behavioural, normative, control beliefs, intrinsic motivation, extrinsic motivation, and amotivation. The BREQ-2 will be completed by both parents and the target child. Change in motivation variables will be examined (6 months minus baseline). | baseline and 6 months | |
Secondary | Change from baseline in self-reported physical activity at 6 months | The target child will complete a modified version of the PAQ-C to assess habitual moderate to vigorous physical activity. The LSI will be used to measure self-reported physical activity in parents. The LSI contains three questions, which assess the frequency of mild, moderate, and strenuous activity performed for at least 15 minutes during free time in a typical week. Change in self-reported physical activity will be examined (6 months minus baseline) | baseline and 6 months | |
Secondary | Change from baseline in physical activity habits at 6 months | Physical activity habits will be measured using 4 items. | baseline and 6 months | |
Secondary | Change from baseline in strategies and goal commitment for family based physical activity and personal physical activity at 6 weeks | Strategies for planning family based physical activity and personal physical activity will be measure using 12 items. Changes in strategies and goal commitment will be examined (6 weeks minus baseline). | baseline and 6 weeks | |
Secondary | Change from baseline in strategies and goal commitment for family based physical activity and personal physical activity at 3 months | Strategies for planning family based physical activity and personal physical activity will be measure using 12 items. Changes in strategies and goal commitment will be examined (3 months minus baseline). | baseline and 3 months | |
Secondary | Change from baseline in strategies and goal commitment for family based physical activity and personal physical activity at 6 months | Strategies for planning family based physical activity and personal physical activity will be measure using 12 items. Changes in strategies and goal commitment will be examined (6 months minus baseline). | baseline and 6 months | |
Secondary | Change from baseline in musculoskeletal fitness at 6 months | Grip strength, push ups, sit & reach flexibility, partial curl-ups, vertical jump,and back extension will be measured to determine the musculoskeletal fitness of both the children and parents using the Canadian CSEP standardized protocols. Change in musculoskeletal fitness from baseline to 6 months (i.e., post-intervention) will be examined. | baseline and 6 months |
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