Table 2 Measured variables in the Fortaleça sua Saúde program
Dimension | Variables (reliability)b | |
|---|---|---|
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) | ||