TABLE 2.

Outcome measures (in included studies) selected for meta‐analysis (higher scores indicate worse ED psychopathology).

Outcome measure	Description
Eating disorder examination questionnaire (EDE‐Q) (Fairburn & Beglin, 1994)	Measures eating disorder cognitive symptoms (restraint and eating, weight, shape concerns, global score), and behavioural items (binge and purge rates) in the past 28 days.
Eating disorder inventory (EDI/EDI‐2) (Garner, 1991; Garner & Olmsted, 1984)	Assesses the subscales: drive for thinness (fear of gaining weight); bulimia (binge‐eating and purging behaviour); body dissatisfaction; ineffectiveness (not feeling control over life‐low self‐esteem); perfectionism; interpersonal distrust; interoceptive awareness (sensations of hunger and satiety); maturity fears; impulse regulation; social insecurity; asceticism; and total score.
Weight concern scale (WCS) (Killen et al., 1994)	Determines weight concerns linked to body image.
Body shape questionnaire (BSQ) (Cooper et al., 1987)	Rates body shape concerns.
Body attitude test (BAT) (Probst et al., 1995)	Measures ‘negative appreciation of body size; lack of familiarity with one's own body; general body dissatisfaction; and a rest factor’.
Beck depression inventory (BDI‐2) (Beck et al., 1988)	Assesses severity of depression.
Centre for Epidemiological Studies Depression scale (CES‐D) (Orme et al., 1986)	Determines severity of depression.
Symptom checklist 90R (general symptom index score) (SCL 90R GSI) (Derogatis, 1975)	Rates general psychopathology/anxiety.