Psychometric properties of the German version of the Eating Pathology Symptoms Inventory

Table 3 Descriptive and test statistics for gender differences on EPSI scales in study 1

N = 357	Male (n = 48) M (SD)	Female (n = 309) M (SD)	W	p	r_rb
Body Dissatisfaction	1.21 (0.87)	1.81 (0.97)	4618	< 0.001	0.22
Binge Eating	1.23 (0.63)	1.27 (0.85)	7608	0.773	0.02
Cognitive Restraint	1.62 (0.93)	1.72 (1.08)	7164	0.703	0.02
Purging	0.08 (0.33)	0.22 (0.55)	6385	0.034	0.11
Restricting	0.77 (0.81)	1.05 (0.91)	5955	0.028	0.12
Excessive Exercise	1.69 (1.23)	1.08 (1.04)	9496	0.002	0.17
Negative Attitudes Toward Obesity	1.58 (0.91)	0.87 (0.80)	10,918	< 0.001	0.28
Muscle Building	1.62 (1.12)	0.88 (0.89)	10,401	< 0.001	0.24

Notes. Note that—as other correlation coefficients—rank-biserial correlation coefficients can range between −1 and 1. Thus, their sizes may be interpreted as small (0.1–0.3), medium (0.3–0.5), or large (≥ 0.5), similar to what has been suggested for Pearson’s r [55]

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