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Table 3 Result of the multivariate ordinal logistic regression analysis

From: Binge eating disorder and depressive symptoms among females of child-bearing age: the Korea Nurses' Health Study

  Model 1 Model 2 Model 3 Model 4
Variables OR 95% CI OR 95% CI OR 95% CI OR 95% CI
BED
 No Ref.   Ref.   Ref.   Ref.  
 Yes 1.456** 1.163–1.823 1.537** 1.223–1.931 1.795** 1.410–2.286 1.800** 1.414–2.292
Age (in years)
  ≤ 29    Ref.   Ref.   Ref.  
 30–39    0.904 .685–1.193 0.780 0.581–1.047 0.785 0.585–1.055
  ≥ 40    0.308** 0.176–0.536 0.359** 0.195–0.659 0.372** 0.200–0.690
Level of education
 3-year college    Ref.   Ref.   Ref.  
 4-year college    1.096 0.857–1.401 1.122 0.866–1.454 1.130 0.872–1.464
 Master or higher    1.251 0.686–2.279 1.321 0.700–2.496 1.320 0.699–2.494
Annual income
  < $20,000    Ref.   Ref.   Ref.  
 $20,000–29,999    1.140 0.618–2.103 0.798 0.412–1.544 0.800 0.413–1.549
 $30,000–39,999    1.378 0.775–2.448 0.913 0.491–1.699 0.916 0.492–1.706
 $40,000–49,999    1.332 0.733–2.419 0.860 0.451–1.639 0.873 0.457–1.666
  ≥ $50,000    0.965 0.361–2.577 0.546 0.194–1.538 0.556 0.197–1.569
Marital status
 Single    Ref.   Ref.   Ref.  
 Married    1.691** 1.217–2.351 1.393 0.983–1.974 1.371 0.964–1.951
Alcohol consumption
 Never      Ref.   Ref.  
 Occasionally      0.759 0.543–1.062 0.759 0.543–1.062
 Frequently      0.572* 0.365–0.897 0.565* 0.360–0.887
BMI, kg/m2
 Normal (18.5–22.9)      Ref.   Ref.  
 Underweight (< 18.5)      1.356 0.910–2.019 1.354 0.909–2.018
 Overweight(≥ 23)      1.087 0.821–1.440 1.084 0.818–1.435
Self-rated health
 Poor      Ref.   Ref.  
 Fair      0.457** 0.327–0.639 0.454** 0.325–0.635
 Good      0.317** 0.215–0.468 0.317** 0.214–0.467
Sleep (quartile)
 1 (least problem)      Ref.   Ref.  
 2      2.821** 1.852–4.295 2.783** 1.823–4.246
 3      5.439** 3.511–8.425 5.341** 3.438–8.299
 4      12.494** 7.991–19.535 12.272** 7.823–19.253
Stress (quartile)
 1 (least stress)      Ref.   Ref.  
 2      2.094** 1.493–2.937 2.092** 1.492–2.934
 3      3.671** 2.583–5.217 3.650** 2.568–5.190
 4      7.346** 4.907–10.998 7.310** 4.882–10.945
Shift work
 No        Ref.  
 Yes        0.903 0.656–1.243
Nagelkerke R2 0.011** 0.092*** 0.421*** 0.421***
x2/df 10.758/1 91.507/10 507.345/22 507.717/23
  1. Note: OR: odds ratio; 95% CI: 95% confidence interval; Ref: reference group; Occasionally: sometimes in a month; Frequently: sometimes in a week; BMI: body mass index
  2. *p < .05, **p < .01, ***p < .001