Measurements
obesity, overweight
OBESITY
Background characteristics, e.g., sex and household income per year, were assessed by a self-developed parent-reported questionnaire. Camp staff measured body weight (kg) and height within the first week of camp. Body weight (kg) was measured according to standard procedures using a bioelectric impedance (InBody model 270, Hopkins Medical Products, Grand Rapids, MI, USA) and height (meters) was measured using a fixed wall measuring tape. An age-and-sex-adjusted Body Mass Index Standard Deviation Score (BMI-SDS) was calculated using WHO AnthroPlus software, and children with a BMI-SDS > 1SD were defined as having overweight and children with a BMI-SDS > 2SD were defined as having obesity [