Primary Variablesa
|
PA
|
√ Weekly volume in moderate to vigorous PA and PA levels (ICC = 0.71)
|
√ PA-related behavior change (ICC = 0.76)
|
√ Preference for PA in leisure-time (ICC = 0.75)
|
√ Active commuting (walking/cycling) to school (ICC = 0.89)
|
Potential PA mediators
|
√ Intrapersonal: Attitudes, self-efficacy and expectations (risks/benefits) (α range = 0.77–0.81)
|
√ Interpersonal: family, friend and teacher support (α range = 0.84–0.90)
|
√ Environmental: Neighborhood and school perception (α range = 0.61–0.78)
|
Screen time
|
√ Daily time watching TV on weekdays and weekends days (ICC = 0.72 and 0.56)
|
√ Daily time using computer/video games on weekdays and weekends days (ICC = 0.80 and 0.75)
|
√ Reducing TV watching-related behavior change stage (ICC = 0.80)
|
√ Reducing computer/videogames using-related behavior change stage (ICC = 0.78)
|
Potential reducing screen time mediators
|
√ Intrapersonal: attitude, self-efficacy and expectations (risks/benefits) (α range = 0.64–0.85)
|
√ Interpersonal: family modelling, support and norms (α range = 0.56–0.78)
|
√ Environmental: family and school environment, house and bedroom characteristics (α range = 0.73–0.85)
|
Secondary variablesa
|
√ Body mass index
|
√ Self-rated health (ICC = 0.90)
|
√ Waist circumference
|
√ Stress perception (ICC = 0.79)
|
√ Eating habits (ICC range = 0.71-0.89)
|
√ Body image (ICC = 0.85)
|
√ Alcohol use (ICC = 0.71)
|
√ Sleep quality and duration (ICC range = 0.59-0.75)
|
√ Tobacco use (ICC = 0.99)
|
√ Sleepiness (α = 0.62)
|
√ Condom use (ICC = 0.98)
|
√ Academic performance
|
√ Quality of life (ICC = 0.78)
|
√ School attendance
|
Descriptive variablesa
|
√ Age (ICC = 0.99)
|
√ Mother’s schooling (ICC = 0.92)
|
√ Gender (Kappa = 1.00)
|
√ Student’s occupational status (Kappa = 0.90)
|
√ Father’s schooling (ICC = 0.86)
|
√ Family’s economy class (ICC = 0.93)
|
Subsample (obese) Variablesa
|
√ Depressive symptoms (α = 0.90)
|
√ Objectively-measured PA
|
√ Eating disorders (α = 0.80)
|
√ Objectively-measured sedentary time
|
√ Sleep quality (α = 0.83)
| |
Evaluation variables
|
√ Interest of the school community for the program proposal (before baseline)
|
√ Visibility of the program during implementation (during the program)
|
√ Execution process of the strategies (during the program)
|
√ Interest in keeping the strategies in the future (immediately after the end of the program)
|
√ Maintenance of the program strategies (six months after the end of the program)
|
√ Start-up and operational costs (economic evaluation)
|