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Table 3 Odds ratios for overweight/obesity according to education among married women (n = 1563)

From: Distinct association between educational attainment and overweight/obesity in unmarried and married women: evidence from a population-based study in Japan

  Overweight/obesity Model 1 Model 2 Model 3
% OR (95% CI) OR (95% CI) OR (95% CI)
Women’s educational attainment
  ≥ University 7.5 1.00 1.00 1.00
 College 11.3 1.48 (0.97–2.26) 1.26 (0.81–1.95) 1.19 (0.76–1.85)
  ≤ High school 11.7 1.49 (0.93–2.40) 1.13 (0.67–1.90) 0.97 (0.57–1.65)
Husbands’ educational attainment
  ≥ University 8.6 1.00 1.00 1.00
 College 11.2 1.49 (0.96–2.31) 1.40 (0.89–2.22) 1.33 (0.84–2.11)
  ≤ High school 14.0 1.78 (1.21–2.61) 1.67 (1.10–2.55) 1.56 (1.02–2.40)
Work status
 Working 10.2 1.00 1.00 1.00
 Not working 10.4 1.19 (0.85–1.67) 1.21 (0.86–1.70) 1.29 (0.91–1.83)
Equivalent income
 4th quartile (highest) 9.4 1.00 1.00 1.00
 3rd quartile 9.8 1.15 (0.71–1.86) 1.02 (0.62–1.67) 1.01 (0.62–1.67)
 2nd quartile 10.8 1.41 (0.87–2.30) 1.15 (0.69–1.92) 1.17 (0.70–1.96)
 1st quartile 11.2 1.45 (0.90–2.35) 1.20 (0.72–1.98) 1.18 (0.71–1.96)
Dietary habits
 Good 9.5 1.00   1.00
 Poor 16.2 2.13 (1.38–3.29)   1.99 (1.26–3.15)
Smoking status
 Never-smoker 9.2 1.00   1.00
 Ex-smoker 10.5 1.30 (0.85–1.97)   1.17 (0.76–1.80)
 Current smoker 16.0 1.95 (1.26–3.03)   1.63 (1.02–2.60)
Habitual exercise
  ≥ 1 day/week 10.1 1.00   1.00
 Once/month 12.0 1.35 (0.84–2.15)   1.35 (0.84–2.17)
 Seldom 9.8 1.11 (0.77–1.61)   0.97 (0.66–1.42)
  1. OR odds ratio, 95% CI 95% confidence interval
  2. Model 1: adjusted for age
  3. Model 2: adjusted for age, work status, equivalent income, and women’s/husbands’ educational attainment
  4. Model 3: adjusted for age, work status, equivalent income, women’s/husbands’ educational attainment, dietary habits, smoking status, and habitual exercise