Psychological Diagnoses and Weight Loss among Appalachian Bariatric Surgery Patients
Table 2
Mixed regression models for percent of excess body weight loss.
Variable
Category
Estimate
SE
t-Value
value
Model 1%EWL (n = 259)
Intercept
48.17
6.00
8.03
<0.0001
Gender (referent: male)
Female
7.19
2.55
2.82
0.0052
Age
−0.15
0.09
−1.57
0.1174
Race (referent: white)
Others
2.00
4.45
0.45
0.6533
Surgery (referent: sleeve)
Bypass
7.11
3.91
1.82
0.0693
BDI-II
−0.08
0.12
−0.70
0.4839
Time
0.29
0.85
0.35
0.7300
Timesurgery
Bypass
3.31
0.93
3.55
0.0004
Model 2%EWL (n = 228)
Intercept
44.54
6.28
7.09
<0.0001
Gender (referent: male)
Female
8.48
2.78
3.16
0.0018
Age
−0.10
0.10
−0.97
0.3324
Race (referent: white)
Others
−0.41
4.82
−0.09
0.9322
Surgery (referent: sleeve)
Bypass
8.28
4.00
2.07
0.0394
BAI
−0.14
0.17
−0.83
0.4084
Time
0.53
0.84
0.63
0.5296
Timesurgery
Bypass
3.33
0.94
3.53
0.0005
Linear mixed model adjusted for age, gender, and race/ethnicity was used to analyze the main effects of surgery (bypass and sleeve), time, and self-reported mood scale (BDI-II or BAI) and their interaction on %EWL. Significant effects were followed by multiple comparisons using Tukey adjustment. values for the main effects and interaction are indicated. .
