Background
Physical activity
Planning intervention techniques
Planning in children and adolescents
Collaborative planning
Importance of social factors on health behavior
Aim
Methods/Design
Sample and recruitment strategy
Randomization
Procedure
Pre-screening and baseline (T1)
Intervention procedures (T2)
Booster session (T3)
Follow-up (T4)
Incentive
Measurements
Construct [References for measurement] | Description | Included in: | ||||
---|---|---|---|---|---|---|
T1 | T2 | T3 | T4 | Diary | ||
The outcome variable, additional assessment | ||||||
Duration in minutes (together with the friend), intensity | X | X | X | X | X | |
Mediator and control variables | ||||||
Perceived vulnerability for one’s own health | X | X | X | X | ||
Expected positive and negative consequences of both acting and not acting | X | X | X | X | ||
Feeling of competency regarding a person’s ability to overcome barriers regarding PA | X | X | X | X | ||
Intended action of PA | X | X | X | X | ||
Action planning pertains to the when, where, and how of intended action; coping planning is the anticipation of barriers and the design of alternative actions | X | X | X | X | ||
Action control includes three subfacets: awareness of intentions, self-monitoring and regulatory effort | X | X | X | X | ||
Emotional and practical received social support regarding PA | X | X | X | X | ||
Emotional and practical provided social support regarding PA | X | X | X | X | ||
Activation of social support from the friend | X | X | X | X | ||
Perceived quality, responsiveness, and satisfaction with social support | X | X | X | X | ||
Received peer social control [68] | Received social control from the friend regarding PA | X | X | X | X |