|
Medical testing
|
Body weight and height (BMI percentiles)
|
|
Body composition (fat mass)
|
|
Waist circumference [35]
|
|
Blood pressure
|
|
Resting heart rate
|
|
Heart rate after stress
|
|
Recovery heart rate
|
|
Physical testing
|
Cardiovascular fitness [36]
|
|
Questionnaire
|
Socio-demographic characteristics
|
|
Age
|
|
Gender
|
|
Migration background
|
|
Socio-economic status [37]
|
|
Lifestyle Behavior
|
|
Physical activity* [38–40]
|
|
Sedentary behavior [40]
|
|
Use of tobacco [41]
|
|
Use of alcohol [42, 43]
|
|
Food pattern [44]
|
|
Psychological constructs
|
|
General self-efficacy [45]
|
|
Self-efficacy towards physical exercise [46]
|
|
Self-concept for general physical capacity and physical attractiveness [47, 48]
|
|
Enjoyment of physical activity [49]
|
|
Enjoyment of sedentary behavior [49]
|
|
Sensation seeking [50]
|
|
Physical well-being [51]
|
|
Psychological well-being [51]
|
|
Depression [52]
|
|
Intention for physical activity [53]
|
|
Social factors
|
|
Parental support for physical activity [25]
|
|
Friends physical activity*
|
|
Normative expectations*
|
|
Environmental situation to be physical active*
|
|
Qualitative methods
|
Activating-strategies (group discussion, document analysis)
|
|
Interactive processes (group discussion)
|
