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Table 4 Number of teeth and n-FTUs according to active and secondhand smoking status

From: The association of active and secondhand smoking with oral health in adults: Japan public health center-based study

  Non-smoker Past smoker Current smoker
Without secondhand smoking With secondhand smoking
Home Other places Home and other places
Men       
Adjusted number of teethc, mean (SD) 21.8 (7.02) 20.7 (7.01) 22.1 (7.01) 21.9 (7.01) 20.5 (7.00) 19.6 (7.02)a
Adjusted number of teethd, mean (SD) 22.2 (6.92) 21.0 (6.91) 21.8 (6.80) 21.4 (6.95) 20.3 (6.81) 19.7 (6.82)a
Adjusted number of n-FTUsc, mean (SD) 6.34 (4.25) 6.22 (4.24) 6.84 (4.24) 6.83 (4.24) 5.88 (4.25) 4.82 (4.25)a
Adjusted number of n-FTUsd, mean (SD) 6.56 (4.18) 6.40 (4.17) 6.74 (4.10) 6.42 (4.19) 5.73 (4.11) 4.92 (4.12)b
Women       
Adjusted number of teethc, mean (SD) 18.9 (6.96) 19.2 (6.93) 21.2 (6.93) 20.0 (6.94) 20.9 (6.95) 19.5 (6.94)
Adjusted number of teethd, mean (SD) 18.9 (6.77) 19.4 (6.73) 21.4 (6.76) 19.7 (6.78) 19.7 (6.80) 19.1 (6.79)
Adjusted number of n-FTUsc, mean (SD) 4.63 (3.98) 4.57 (3.97) 5.57 (3.97) 5.20 (3.97) 4.88 (3.98) 3.73 (3.97)
Adjusted number of n-FTUsd, mean (SD) 4.62 (3.91) 4.66 (3.88) 5.39 (3.90) 5.05 (3.91) 4.18 (3.93) 3.46 (3.92)
  1. asignificantly different from nonsmoker without secondhand smoking (p < 0.05)
  2. bsignificantly different from nonsmoker without secondhand smoking (p < 0.01)
  3. cAdjusted for age
  4. dAdjusted for age, education level, history of diabetes, BMI, alcohol consumption, perceived mental stress, presence of family dentist, and oral hygiene