Table 2.
Distributions of Eating Disorder Symptoms across Latent Classes from Best-Fitting FMA Model.
| Symptom | LC1 N=294 n (%) |
LC2 N=112 n (%) |
LC3 N=122 n (%) |
|---|---|---|---|
| Refusal to maintain expected body weight (EBW) | |||
| None | 204 (69) | 99 (88) | 122 (100) |
| Threshold (Weight < 85% EBW) | 90 (31) | 13 (12) | 0 (0) |
| Fear of Gaining Weight or Becoming Fat | |||
| Absent | 11 (4) | 98 (88) | 122 (100) |
| Threshold | 283 (96) | 14 (12) | 0 (0) |
| Undue Influence of Weight and Shape on Self-Evaluation | |||
| Absent | 4 (1) | 9 (8) | 122 (100) |
| Threshold | 290 (99) | 103 (92) | 0 (0) |
| Amenorrhea | |||
| None (0) | 146 (50) | 102 (91) | 109 (89) |
| Threshold (no menstruation ≥3 consecutive months) | 148 (50) | 10 (9) | 13 (11) |
| Binge eating | |||
| None | 1 (<1) | 43 (38) | 118 (97) |
| Loss of Control/not large amount of food (SBE) | 53 (18) | 13 (12) | 4 (3) |
| Loss of Control/large amount of food (OBE) | 240 (82) | 56 (50) | 0 (0) |
| Compensatory behaviors | |||
| None | 23 (8) | 49 (44) | 122 (100) |
| Nonpurging (e.g., fasting) | 53 (18) | 38 (34) | 0 (0) |
| Purging (e.g., vomiting) | 218 (74) | 25 (22) | 0 (0) |