Table 1 Overview of the data collection methods, measurements and number of participants at each time point
Collection method | Measurements | n | |||
|---|---|---|---|---|---|
t0 | t1 | t2 | t3 | ||
Questionnaire | QoL score and self-perceived health (EQ-5D-3L and EQ-VAS [25]), illness and medicine use, visits to healthcare professionals, monitoring of PA, societal participation (USER-P [26]), smoking and alcohol behaviour, demographic information | 144 | 101 | 79 | 42 |
Body measurements | Height, body weight, body mass index (BMI), fat percentage, waist circumference, blood pressure | 169 | 117 | 58 | 38 |
Group discussion | Health, daily life, societal participation, group experience and group dynamics, motivation, continuation of sports | – | 71 | – | – |
Individual interview | Health, daily life, societal participation, sports participation and PA, nutritional behaviour | – | – | 31 | 37 |