RESHAPE: Changes in the Prevalence of Eating Disorders Among Children and Young People Between 2017 and 2021; a National Survey

Aims The last few years have witnessed dramatic increases in presentations of eating disorders to mental health services for children and adults, which could relate a greater number people seeking help or an increase at the population level. Aims: To evaluate feasibility online completion single module compare Development Well-Being Assessment (DAWBA) estimate prevalence among young aged 6 19 2017 2021, emerging adults 20 23 2021. Methods Mental Health Children Young People England was cross-sectional survey probability sample that recruited 9,117 2017. Follow-up surveys were conducted 2020, 2021 2022. DAWBA, multi-informant standardised diagnostic assessment, completed by parents, teachers 11 more It covered all common conditions, including disorders. In 2022, parents over five initial DAWBA screening items assess difficulties as part follow-up questionnaire. who screened positive (n = 1030) invited complete disorder online, small team clinical raters reviewed their reports assign diagnoses according DSM 5. Results There year delay provision contact details screen positives, response rate 37% overall, comprising 28% 16 years, 23% 17 25 19% initially invited. Our results illustrate large sustained positives between surveys. We are currently quality-checking rating data, so we close final proportion 11–16 with (8.4% girls, 5.1 % boys) (17.4 8.4 boys), maintained 2022 (17. 4% boys). similar findings (60.5% 29.6% boys 2017, 76 46% 2022)). Conclusion Inviting multiple informants provided data on although many only had report from person positive. Wave 4 (2023) will integrate into original questionnaire improve rates. suspect be despite worrying difficulties.