Statistical analyses
Statistical analyses were conducted using SPSS 27 (IBM). To describe the total sample as well as subsamples by diagnosis (AN vs. BN) and setting (full-time treatment vs. ambulatory treatment), means, standard deviations, frequencies, and percentages of measured variables were reported. Statistical comparisons between groups on several related continuous variables were based on multivariate analyses of variance. Statistical comparisons of categorical variables were based on chi-square tests. All comparisons were made at the level of p < .05. To examine symptomatic changes on ED-related variables, Cohen’s 