TABLE 4

Regression Coefficients for Hyperactivity/Inattention Score in Children According to Parental Smoking During Pregnancy, Using Children of Nonsmoking Parents as Reference

MotherFather
SmokerNonsmoker
β (95% CI)β (95% CI)
Smoker0.54 (0.46 to 0.61)0.44 (0.35 to 0.53)
Nicotine replacement user0.39 (0.06 to 0.73)0.45 (0.20 to 0.70)
Smoking quitter0.30 (0.20 to 0.40)0.16 (0.07 to 0.25)
Nonsmoker0.16 (0.11 to 0.21)Reference
  • Linear regression, adjusted for maternal age, parity, alcohol intake during pregnancy, parental socioeconomic status, parental psychopathology, and child’s gender.