The Prevalence of Excessive Exercise in Eating Disorders: A Systematic Review and Meta‐Analysis
Abstract
ABSTRACT Objective Individuals with eating disorders (EDs) often present with maladaptive behaviours such as excessive exercise (EE). The consequences of EE include physical injuries, increased risk of anxiety and depression, and impaired social functioning. No systematic reviews have been conducted on the prevalence of EE in EDs. This study aimed to assess the prevalence of EE in EDs and by ED type. Method An electronic database search of the peer‐reviewed literature was conducted from inception to October 2024. Review eligibility was restricted to research studies reporting prevalence data for EE in individuals diagnosed with EDs. Results Fifty‐six studies met the inclusion criteria (n = 21,518; mean age: 22.34 years). The current prevalence of EE in all EDs was 48%. Current prevalence was highest in AN (48%), followed by BN (45%), OSFED (38%), and BED (11%). The lifetime prevalence of EE in all EDs was 63%. Lifetime prevalence was highest in AN (72%), followed by BN (57%) and OSFED (21%). Conclusions Nearly half of individuals with an ED engage in EE. High heterogeneity across the included studies likely influenced the prevalence found in this study. Data suggest clinical screening and longitudinal monitoring of EE in those with EDs. Future research into early intervention and treatment for EE in those with EDs is recommended. Trial Registration PROSPERO: CRD42023464148; Open Science Framework: https://doi.org/10.17605/OSF.IO/MYVXW
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 21,518 participants or records.
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