100% Pure hard training

INTERVENTION: Part A: Intervention gyms include those gyms that agree to participate in 100% PHT. These gyms are recruited through their involvement in Prevention of Doping in Sweden (PRODIS), a national network comprising governmental agencies, universities, county administrative boards, municipal prevention coordinators, representatives from the police force and gyms, the Swedish Sports Confederation, and the Anti‐doping Hot‐line (a national helpline one can call anonymously with questions about doping). Control gyms are gyms not eligible for the intervention programme because they are not located in one of the approximately 100 municipalities (out of the total of 290 municipalities in Sweden) involved in PRODIS. Gyms placed in these municipalities are identified by the research group at STAD, and asked to participate in the study as control gyms. At baseline, gyms in both groups undergo a pre‐intervention assessment. This involves a questionnaire being distributed to gym attendees on a weekday afternoon/evening by research staff. During the data collection, research staff are placed inside the gym by the entrance, where they invite all arriving gym attendees aged 18 years and over to participate in the study. Gym attendees who agree to participate are asked to fill in a questionnaire. To guarantee anonymity, participants fill in the questionnaire anonymously and then place it in a sealed envelope before handing it over to the research staff. Intervention gyms: Gyms who agree to participate in 100% Pure Hard Training (100% PHT). The intervention is ongoing, and involves: 1. Staff and owners at intervention gyms start the intervention by taking part in a day‐long educational training programme with information on the symptoms and consequences of AAS use, nutritional supplements, doping laws, test methods for detecting AAS use, and techniques for conveying information about AAS to gym attendees. Local police and municipal prevention coordinators also take part in the trainin CONDITION: Anabolic androgenic steroid use ; Mental and Behavioural Disorders ; Anabolic androgenic steroid use PRIMARY OUTCOME: Anabolic androgenic steroid use among gym members is measured using a questionnaire designed for the purpose of this study at approximately 18 months. SECONDARY OUTCOME: Factors that facilitate and/or impede implementation of the intervention programme are assessed using semi‐structured interviews at approximately 18 months. INCLUSION CRITERIA: Part A: Gym INCLUSION CRITERIA: 1. Intervention gyms: Gyms that are involved in the Prevention of Doping in Sweden (PRODIS) network, and who have agreed to implement the 100% PHT programme at their facilities. 2. Control gyms: Gyms that are not located in one of the municipalities involved in PRODIS. Participant INCLUSION CRITERIA: 1. Aged 18 years or over 2. Attending a participating gym Part B: Key stakeholders in the intervention group (staff and owners at the intervention gyms, local police and municipal prevention coordinators, gym attendees, current and former users of AAS).