Table 1.
Demographic and clinical characteristics and weight variables by night eating status
| Overall N=131 |
Subthreshold Night Eating n=103 |
Regular Night Eating n=28 |
Independent samples t-test | p-value | |
|---|---|---|---|---|---|
|
| |||||
| M (SD) | M (SD) | M (SD) | |||
|
| |||||
| Age | 45.47 (10.95) | 45.32 (10.94) | 46.04 (11.57) | −0.31 | .760 |
| Pre-surgical BMI | 46.74 (8.86) | 47.02 (8.68) | 45.69 (9.57) | 0.70 | .483 |
| Post-surgical BMI | 37.57 (7.08) | 37.38 (6.83) | 38.24 (8.03) | −0.57 | .569 |
| BMI change | 9.17 (4.18) | 9.64 (4.29) | 7.45 (3.29) | 2.51 | .013 |
| %TWL | 19.29 (7.07) | 20.17 (7.10) | 16.07 (6.05) | 2.79 | .006 |
| Months since surgery | 6.34 (1.54) | 6.26 (1.61) | 6.64 (1.22) | −1.36 | .180 |
|
| |||||
| n (%) | n (%) | n (%) | Chi-Square | p-value | |
|
| |||||
| Gender (Female)1 | 111 (84.7%) | 87 (85.5%) | 24 (85.7%) | 0.03 | 1.00 |
| Race (White)2 | 66 (50.4%) | 57 (55.3%) | 9 (32.1%) | 4.74 | .029 |
| Pre-surgical lifetime binge-eating disorder | 62 (47.3%) | 46 (44.7%) | 16 (57.1%) | 1.38 | .241 |
M=mean; SD=standard deviation; BMI=body mass index; %TWL=percent total weight loss from pre- to post-surgery.
1
Fisher’s Exact Test
2
Chi-square analysis for White versus Non-White