TABLE 3.

OR and 95% CI of Gingival Pigmentation to Parental Smoking Status

ExaminerSmoking Status of ParentsOR (95% CI)
CrudeAdjusted*
ANonsmoking1.01.0
Smoking4.6 (1.4–15.2)5.6 (1.5–20.0)
BNonsmoking1.01.0
Smoking5.1§ (1.4–20.0)5.4 (1.4–21.2)
  • * Based on multiple logistic-regression analysis controlling for gender and age.

  • P = .013.

  • P = .010.

  • § P = .016.

  • P = .015.