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Table 2 Odds ratios of the number of remaining teeth for MMI and low MMSE- score status

From: Relationship of tooth loss to mild memory impairment and cognitive impairment: findings from the fujiwara-kyo study

   MMI Low MMSE score
   Odds Ratio (95% CI) P value Odds Ratio (95% CI) P value
  Per 1 decrease of remaining teeth
Crude   1.035 (1.017 - 1.053) <0.001 1.056 (1.042 - 1.071) <0.001
Adjusted for depressive symptoms   --* -- -- 1.056 (1.041 - 1.070) <0.001
   Plus age, sex and length of education   1.019 (1.000 - 1.039) 0.049 1.039 (1.024 - 1.055) <0.001
Adjusted for full model†   1.021 (1.001 - 1.041) 0.038 1.039 (1.023 - 1.054) <0.001
  Reference: 22-32 of remaining teeth
Adjusted for full model† 11-21 0.989 (0.601 - 1.627) 0.965 1.609 (1.099 - 2.356) 0.014
  0 -10 1.679 (1.073 - 2.627) 0.023 2.177 (1.510 - 3.140) <0.001
  1. MMI: mild memory impairment, MMSE: Mini-Mental State Examination, CI: confidence interval.
  2. The number of subjects available for analysis: Control (n = 3696), MMI (n = 121), and Low MMSE score (n = 214).
  3. *The subjects whose GDS score were "6 or more" were excluded from the MMI group.
  4. †Full model included depressive symptoms (only for low MMSE score), age, sex, length of education, frequency of drinking, smoking habit, time spent walking every day, positive history of cancer and diabetes mellitus, and the levels of serum albumin, total cholesterol, and low-density lipoprotein cholesterol.