biostudies-literatureUnknown11(1)Hafstad SMUniversity of Bergen<h4>Aim</h4>Orthorexia Nervosa (ON) describes a pathological obsession with proper and high-quality nutrition that is necessary to research further in order to elucidate its prevalence and correlates which may bear implications for prevention and treatment. The aim of this study was to review studies that report the prevalence of ON in people who exercise, calculate an overall prevalence through a random-effects meta-analysis approach and investigate the association of ON prevalence using a random-effects meta-regression. In addition, a sub-group-analysis based on ON-instruments and a sensitivity analysis excluding students samples, were conducted.<h4>Method</h4>Systematic searches were conducted in the following online databases: PubMed, Embase, Web of Science, PsychInfo, CINAHL, Google SJournal of eating disorders15https://www.ebi.ac.uk/biostudies/studies/S-EPMC9903632biostudies-literatureThe prevalence of orthorexia in exercising populations: a systematic review and meta-analysis.PMC9903632Harris APallesen SHafstad SMBauer JfalseThe prevalence of orthorexia in exercising populations: a systematic review and meta-analysis.<h4>Aim</h4>Orthorexia Nervosa (ON) describes a pathological obsession with proper and high-quality nutrition that is necessary to research further in order to elucidate its prevalence and correlates which may bear implications for prevention and treatment. The aim of this study was to review studies that report the prevalence of ON in people who exercise, calculate an overall prevalence through a random-effects meta-analysis approach and investigate the association of ON prevalence using a random-effects meta-regression. In addition, a sub-group-analysis based on ON-instruments and a sensitivity analysis excluding students samples, were conducted.<h4>Method</h4>Systematic searches were conducted in the following online databases: PubMed, Embase, Web of Science, PsychInfo, CINAHL, Google S2023-01-01T00:00:00Z2023 Feb2025-04-20T03:39:41.305Z2024-11-07T08:51:58.754ZS-EPMC99036323674723510.1186/s40337-023-00739-6