The aim of the study was to examine whether sports participation (SP). engagement in competitive sports (CS). and the type of sport undertaken at the age of 12 are associated with the physical and mental components of health-related quality of life (HRQoL) in young adulthood. The data were collected using questionnaires prior to a compulsory military refresher training course in Finland. https://mabelandfoxs.shop/product-category/tote-bag/