Table 2.

Inclusion and exclusion criteria

	Inclusion criteria	Exclusion criteria
Sample	Focus on adults’ experiences of intensive treatment related to an eating disorder diagnosis. E.g., anorexia nervosa (AN), bulimia nervosa (BN), binge eating disorder (BED), eating disorder not otherwise specified (EDNOS), other specified feeding and eating disorder (OSFED), and avoidant restrictive food intake disorder (ARFID).	Focus on individuals with lived experiences of intensive treatment related to another mental or physical health difficulty, on individuals with lived experiences of only outpatient treatment for an eating disorder, or on child and/or adolescent eating disorder samples.
Phenomenon of Interest	Focus on the experience of current or past intensive treatment directly related to an eating disorder diagnosis. E.g., specialist eating disorder or general psychiatric inpatient treatment, day-patient treatment, partial hospitalisation, intensive community treatment or general medical admissions for eating disorder symptoms.	Focus solely on carers’ experiences or healthcare professionals’ experiences of intensive treatment for an eating disorder.
Design	Qualitative methodology (or mixed methods methodology, if qualitative results are reported separately) and used a named, bona fide analytic approach.	Quantitative methodology.
Evaluation	Explicitly attempt to capture individuals’ experiences, attitudes, perspectives, or views of any aspect of intensive treatment (e.g., overall experience, experience of an intervention, or exploration of a process).	Studies in which the qualitative data is minimal (e.g., no data extracts provided).
Research Type	Studies published in English. Studies published in peer-reviewed journals.	Studies published not in English. Grey literature studies.