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Table 3 Multivariable model for the relationship between γ-glutamyltransferase and the odds of having depressive symptoms, stratified by BMI categories

From: Obesity moderates the complex relationships between inflammation, oxidative stress, sleep quality and depressive symptoms

Variable OR (95% CI)
BMI categories (kg/m2)
≥18.5 - < 25 ≥25 - < 30 ≥30 - < 35 ≥35
γ-glutamyltransferase 1.009 (1.002, 1.017) 1.004 (1.001, 1.007) 1.004 (0.999, 1.009) 1.003 (1.000, 1.005)
Age 0.996 (0.968, 1.025) 0.993 (0.972, 1.016) 0.971 (0.951, 0.991) 1.022 (0.989, 1.057)
Sex 1.218 (0.519, 2.858) 3.916 (1.848, 8.297) 3.168 (1.525, 6.580) 7.377 (2.113, 25.759)
Ethnicity 1.192 (0.783, 1.813) 0.586 (0.409, 0.839) 0.663 (0.419, 1.051) 1.213 (0.692, 2.125)
Education 0.963 (0.493, 1.879) 0.895 (0.520, 1.540) 0.795 (0.441, 1.433) 1.493 (0.913, 2.442)
Income 0.668 (0.390, 1.146) 0.387 (0.252, 0.593) 0.406 (0.222, 0.744) 0.256 (0.169, 0.389)
Smoking 0.854 (0.441, 1.654) 0.637 (0.410, 0.990) 0.882 (0.564, 1.379) 0.780 (0.438, 1.390)
Alcohol 2.242 (0.765, 6.569) 1.186 (0.394, 3.568) 0.955 (0.442, 2.066) 0.872 (0.335, 2.268)
Recreational Physical Activity 0.709 (0.421, 1.196) 0.709 (0.378, 1.332) 0.171 (0.018, 1.631) 0.607 (0.267, 1.377)
  1. OR is the odds of having depressive symptoms adjusted for age, sex, ethnicity, education, income, smoking, alcohol, and recreational physical activity. All variables except for age were modeled categorically