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Table 5 Adjusted odds ratio (OR) and 95% confidence interval (CI) tooth loss by lifetime exposure to smoking

From: Cigarette smoking and tooth loss experience among young adults: a national record linkage study

  Lifetime exposure* Prevalence of 1 + tooth loss (%) Adjusted OR (95%CI) P value
Males 0 21.8 (37/170) 1.00 (Reference)  
  1–199 26.9 (29/108) 1.34 (0.76–2.36) 0.3134
  200–399 42.7 (41/96) 2.75 (1.57–4.83) 0.0004
  400+ 58.5 (31/53) 5.17 (2.59–10.3) <0.0001
  P for trend    <0.0001
Females 0 29.4 (199/677) 1.00 (Reference)  
  1–199 36.2 (38/105) 1.31 (0.84–2.06) 0.2379
  200+ 70.4 (19/27) 5.34 (2.24–12.7) 0.0002
  P for trend    0.0004
  1. *Brinkman Index
  2. Adjusting for frequency of brushing, body mass index, alcohol consumption, intake of Vitamin C and E