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Table 2 Number of missing teeth as continuous covariate and risk of mortality in the 12-year cohort study (1998–2010), with hazard ratios adjusted for potential confounders

From: Association between tooth loss and orodigestive cancer mortality in an 80-year-old community-dwelling Japanese population: a 12-year prospective study

Cancer Model 1 HR (95% CI) P value Model 2 HR (95% CI) P value Model 3 HR (95% CI) P value
Total cancer 1.033 (1.00–1.07) 0.048 1.035 (1.00–1.07) 0.047 1.032 (0.99–1.07) 0.068
Cancer site       
   Lung 1.04 (0.97–1.10) 0.29 1.03 (0.97–1.10) 0.35 1.03 (0.96–1.10) 0.35
   Stomach 1.10 (0.99–1.23) 0.08 1.09 (0.98–1.22) 0.11 1.09 (0.98–1.22) 0.18
   Pancreas 1.01 (0.89–1.15) 0.83 0.98 (0.85–1.12) 0.78 0.96 (0.83–1.11) 0.60
   Colon 1.03 (0.93–1.14) 0.59 1.03 (0.92–1.17) 0.55 1.04 (0.92–1.18) 0.52
   Liver 1.07 (0.98–1.17) 0.12 1.07 (0.98–1.17) 0.12 1.07 (0.98–1.17) 0.14
   Orodigestive 1.07 (1.02–1.13) 0.009 1.07 (1.02–1.13) 0.01 1.06 (1.01–1.13) 0.015
CVD 1.021 (0.99–1.05) 0.08 1.021 (0.99–1.05) 0.08 1.018 (0.99–1.04) 0.14
Pneumonia 1.002 (0.97–1.03) 0.91 0.993 (0.96–1.02) 0.62 0.994 (0.97–1.02) 0.67
  1. Model 1: adjusted for sex and smoking status (never; past; current).
  2. Model 2: additional adjustment for total cholesterol, serum albumin, fasting serum glucose, body mass index, physical activity.
  3. Model 3: additional adjustment for place of residence.
  4. HR Hazard ratio, CI Confidence interval, NS not significant, CVD Cardiovascular disease.