Table 1.
Demographic and weight-related characteristics of the sample.
| Variable | All Participants (N = 200) Mean (SD) or n (%) |
No LOC (n = 144) Mean (SD) or n (%) |
LOC Incidence (n = 29) Mean (SD) or n (%) |
LOC Persistence (n = 19) Mean (SD) or n (%) |
|---|---|---|---|---|
| Age (years) | 27.675 (5.525) | 27.43 (5.33) | 28.69 (6.04) | 28.53 (6.60) |
| BMI prior to pregnancy (kg/m2) | 32.885 (6.782) | 33.11 (6.83) | 30.96 (5.23) | 34.43 (8.59) |
| BMI during early pregnancy (kg/m2) | 34.135 (7.228) | 34.32 (7.38) | 32.44 (6.13) | 35.65 (8.30) |
| Gestational age to date (weeks) | 15.321 (2.403) | 15.36 (2.37) | 15.13 (2.56) | 15.58 (2.50) |
| Weight gain during early pregnancy (kg) | 3.440 (6.950) | 3.36 (7.19) | 4.15 (5.96) | 3.11 (7.37) |
| Gravidity (number of pregnancies) | 2.910 (2.324) | 2.81 (2.28) | 3.55 (2.49) | 2.89 (2.64) |
| Parity (number of births) | 1.180 (1.377) | 1.09 (1.3) | 1.59 (1.52) | 1.42 (1.80) |
| Intentional pregnancy | ||||
| Yes | 92 (46.0%) | 72 (50.0%) | 17 (58.6%) | 14 (73.7%) |
| No | 108 (54.0%) | 72 (50.0%) | 12 (41.4%) | 5 (26.3%) |
| Education | ||||
| Grade school or some high school | 23 (11.6%) | 14 (9.7%) | 6 (20.7%) | 3 (15.8%) |
| High school graduate/GED | 46 (23.1%) | 34 (23.6%) | 5 (17.2%) | 4 (21.1%) |
| Some college/technical school | 78 (39.2%) | 54 (37.5%) | 13 (44.8%) | 9 (47.4%) |
| 4-year college graduate | 22 (11.1%) | 18 (12.5%) | 2 (6.9%) | 2 (10.5%) |
| Post-graduate degree | 30 (15.1%) | 23 (16.0%) | 3 (10.3%) | 1 (5.3%) |
| Race | ||||
| White or Caucasian | 89 (44.5%) | 70 (48.6%) | 8 (27.6%) | 9 (47.4%) |
| Black or African American | 88 (44.0%) | 61 (42.4%) | 16 (55.2%) | 7 (36.8%) |
| Mixed race | 19 (9.5%) | 10 (6.9%) | 4 (13.8%) | 3 (15.8%) |
| American Indian/Alaska Native | 1 (0.5%) | 1 (0.7%) | 1 (3.4%) | 0 (0.0%) |
| Ethnicity (Hispanic/Latina) | ||||
| Yes | 7 (3.5%) | 4 (2.8%) | 2 (6.9%) | 1 (5.3%) |
| No | 193 (96.5%) | 140 (97.2%) | 27 (93.1%) | 18 (94.7%) |
| Income | ||||
| ≤$30,000 | 135 (67.8%) | 94 (65.3%) | 23 (79.3%) | 13 (68.4%) |
| >$30,000 | 65 (32.5%) | 49 (34.0%) | 6 (20.7%) | 6 (31.6%) |
| Pre-pregnancy LOC episode frequency (range) | 0–132 | 0 | 0 | 1–132 |
| Early pregnancy LOC episode frequency (range) | 0–158 | 0 | 1–158 | 1–74 |
| LOC episode frequency (pre- and early pregnancy) | 5.77 (22.39) | 0.00 (0.00) | 11.45 (30.27) | 34.79 (51.33) |
| OBE frequency (pre- and early pregnancy) | 2.22 (12.84) | 0.00 (0.00) | 1.45 (2.95) | 16.89 (34.46) |
| SBE frequency (pre- and early pregnancy) | 3.54 (15.96) | 0.00 (0.00) | 10.00 (28.17) | 17.89 (32.05) |
Abbreviation: BMI (body mass index); GED (General Educational Development certificate); LOC (loss of control over eating); OBE (objective bulimic episode); SBE (subjective bulimic episode).