The main aim of this study is to describe differences in development of health and motor performance over time in relation to type of school and other background variables.
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Body weight (kilograms)
Timeframe: Change over 2 years
Dual-energy X-ray absorptiometry (DXA) determined bone mineral content (grams)
Timeframe: Change over 2 years
Musculoskeletal problems (injuries, defined as inability to participate in sports)
Timeframe: Total incidence of musculoskeletal problems across 2.5 years
Height (centimeters)
Timeframe: Change over 2 years
Body-mass index (kg/m^2)
Timeframe: Change over 2 years
Waist circumference (centimeters)
Timeframe: Change over 2 years
DXA determined body fat (%)
Timeframe: Change over 2 years
Serum fasting insulin (IU/l)
Timeframe: Change over 2 years
Serum fasting glucose (mmol/l)
Timeframe: Change over 2 years
Serum fasting triglycerides (mmol/l)
Timeframe: Change over 2 years
Serum fasting total cholesterol (mmol/l)
Timeframe: Change over 2 years
Serum fasting low-density lipoprotein cholesterol (mmol/l)
Timeframe: Change over 2 years
Serum fasting high-density lipoprotein cholesterol (mmol/l)
Timeframe: Change over 2 years
Serum fasting C-reactive protein (mg/l)
Timeframe: Change over 2 years
Homeostasis model assessment of insulin resistance (HOMA-IR)
Timeframe: Change over 2 years
Resting systolic blood pressure (mmHg)
Timeframe: Change over 2 years
Resting diastolic blood pressure (mmHg)
Timeframe: Change over 2 years
Composite risk factor score (z-scores)
Timeframe: Change over 2 years
Cardiorespiratory fitness (meters)
Timeframe: Change over 2 years
Handgrip strength (kg)
Timeframe: Change over 2.5 years
Agility (seconds)
Timeframe: Change over 2.5 years
Backward balance (0-72 points)
Timeframe: Change over 2.5 years
Maximal vertical jump performance (centimeters)
Timeframe: Change over 2.5 years
Precision throw (0-30 points)
Timeframe: Change over 2.5 years