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Table 2 Association of remaining teeth with socioeconomic status after adjusting for lifestyle factors and medical history

From: Socioeconomic status and remaining teeth in Japan: results from the Toyama dementia survey

  Crude odds Model; odds ratio (95% confidence interval)
1 2 3 4 5
Educational attainment
  ≤ 6 years 7.65 (4.65–12.60) 3.29 (1.90–5.71)   2.84 (1.62–4.99) 2.79 (1.58–4.93) 3.07 (1.73–5.45)
 7–9 years 1.68 (1.26–2.26) 1.57 (1.14–2.16)   1.32 (0.94–1.85) 1.33 (0.94–1.87) 1.38 (0.97–1.95)
  ≥ 10 years 1.00 1.00   1.00 1.00 1.00
Occupation
 White-collar 1.00   1.00 1.00 1.00 1.00
 Blue-collar 2.50 (1.81–3.45)   2.16 (1.52–3.06) 1.89 (1.31–2.73) 1.91 (1.32–2.79) 1.93 (1.32–2.82)
 Both 1.47 (0.96–2.24)   1.50 (0.95–2.37) 1.38 (0.87–2.21) 1.39 (0.86–2.23) 1.34 (0.83–2.17)
 Other 2.21 (1.28–3.82)   1.76 (0.96–3.22) 1.71 (0.93–3.15) 1.69 (0.91–3.14) 1.71 (0.91–3.20)
Age
 65–74 years 1.00 1.00 1.00 1.00 1.00 1.00
 75–84 years 3.38 (2.39–4.80) 3.12 (2.18–4.46) 3.30 (2.31–4.71) 3.03 (2.12–4.35) 3.05 (2.10–4.41) 2.89 (1.98–4.22)
  ≥ 85 years 12.31 (8.23–18.41) 10.73 (6.96–16.55) 13.04 (8.57–19.83) 10.48 (6.77–16.23) 10.26 (6.53–16.12) 9.85 (6.21–15.63)
Sex
 Male 1.21 (0.92–1.59) 1.82 (1.33–2.49) 1.60 (1.17–2.19) 1.75 (1.27–2.41) 1.34 (0.77–2.32) 1.43 (0.82–2.51)
 Female 1.00 1.00 1.00 1.00 1.00 1.00
Alcohol consumption
 Current drinker 0.57 (0.41–0.78)     0.43 (0.28–0.67) 0.44 (0.28–0.68)
 Former drinker 1.92 (1.25–2.93)     1.19 (0.71–2.00) 1.18 (0.70–2.00)
 Nondrinker 1.00     1.00 1.00
Smoking
 Current smoker 1.59 (1.02–2.48)     3.79 (1.98–7.27) 4.05 (2.11–7.78)
 Former smoker 1.46 (1.07–1.97)     1.95 (1.14–3.34) 2.00 (1.16–3.42)
 Nonsmoker 1.00     1.00 1.00
Hypertension
 Yes 1.18 (0.90–1.55)      1.15 (0.84–1.58)
 No 1.00      1.00
Hyperlipidemia
 Yes 0.77 (0.53–1.12)      0.85 (0.56–1.31)
 No 1.00      1.00
Diabetes
 Yes 1.60 (1.14–2.25)      1.72 (1.16–2.55)
 No 1.00      1.00
Stroke
 Yes 1.50 (0.96–2.35)      1.26 (0.74–2.12)
 No 1.00      1.00
Angina pectoris/cardiovascular disease
 Yes 1.87 (1.22–2.86)      1.10 (0.68–1.80)
 No 1.00      1.00
Malignant tumor
 Yes 1.00 (0.65–1.54)      0.81 (0.50–1.33)
 No 1.00      1.00
Osteoporosis
 Yes 1.69 (1.13–2.54)      1.88 (1.16–3.05)
 No 1.00      1.00
  1. Model 1 was adjusted for age, sex, and educational attainment
  2. Model 2 was adjusted for age, sex, and occupation
  3. Model 3 was adjusted for age, sex, and socioeconomic status
  4. Model 4 was adjusted for age, sex, lifestyle, and socioeconomic status
  5. Model 5 was adjusted for age, sex, lifestyle, medical history, and socioeconomic status