Table 1.
Sample characteristics and independent samples t-tests comparing restricting and binge-spectrum eating disorders
| Full Sample (N = 35) |
Restricting Eating Disorders (n = 25) |
Binge-spectrum Eating Disorders (n = 10) |
||||
|---|---|---|---|---|---|---|
| N (%) | ||||||
| Sex (% female) | 33 (94) | 25 (100) | 8 (80) | |||
| Race/Ethnicity | ||||||
| White | 32 (91) | 23 (92) | 9 (90) | |||
| Spanish Origin, or Hispanic/Latinx | 1 (3) | 1 (4) | 0 (0) | |||
| Middle Eastern or North African | 1 (3) | 1 (4) | 0 (0) | |||
| Asian | 1 (3) | 0 (0) | 1 (10) | |||
| Nine Item ARFID Screen Cut-Offs | ||||||
| Sensory Sensitivity | 27 (77) | 19 (76) | 8 (80) | |||
| Fear of Aversive Consequences | 21 (60) | 10 (40) | 6 (60) | |||
| Lack of Interest in Food/Eating | 16 (46) | 16 (64) | 5 (50) | |||
| M (SD) | t | p- value | Cohen’s d | |||
| Age at study presentation (years) | 23.17 (5.84) | 23.84 (6.50) | 21.50 (3.47) | 1.07 | .291 | .40 |
| Age of onset ARFID (years) | 8.11 (3.30) | 7.76 (3.17) | 9.00 (3.62) | -1.01 | .322 | − .38 |
| Age of onset other eating disorder (years) | 15.29 (2.97) | 15.16 (2.64) | 15.60 (3.81) | − .39 | .698 | − .15 |
| Duration between ARFID onset and eating disorder onset (years) | 7.57 (3.32) | 7.52 (3.58) | 7.70 (2.71) | − .14 | .887 | − .05 |
| Nine Item ARFID Screen Profile Scores | ||||||
| Sensory Sensitivity | 11.06 (2.45) | 11.04 (2.57) | 11.10 (2.23) | − .07 | .949 | − .02 |
| Fear of Aversive Consequences | 8.66 (4.06) | 8.72 (3.92) | 8.50 (4.60) | .14 | .887 | .05 |
| Lack of Interest in Food/Eating | 9.51 (3.94) | 10.32 (3.64) | 7.50 (4.12) | 1.99 | .055 | .75 |
Note. M – mean; SD – standard deviation; ARFID – avoidant/restrictive food intake disorders. Restricting eating disorders comprise anorexia nervosa and bulimia nervosa; binge-spectrum eating disorders comprise bulimia nervosa, binge-eating disorder, and other-specified feeding/eating disorder – bulimia nervosa of low frequency.