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Keywords:

  • Children's smoking;
  • parental cessation

ABSTRACT

Aims  The first prospective investigation of the extent to which parentalsmoking cessation predicts their children's daily smoking.

Design  Parental smoking status was assessed when children were aged8/9 years and children's smoking status was assessedat age 17/18 years.

Setting  Twenty Washington State school districts in the control groupof the Hutchinson Smoking Prevention Project.

Participants and measurements 

Questionnaire data were gathered on 3012 children (49% femaleand 91% Caucasian) and both of their parents in a cohort witha 95% retention rate.

Findings  When both parents quit smoking, children's odds of dailysmoking were reduced by 39% (95% CI = 15%,56%) compared to when both parents were current smokers.Furthermore, when both parents never smoked then children’sodds of daily smoking were reduced by 71% (95% CI = 62%,78%).

Conclusions  Parental smoking cessation is associated with reduced risk oftheir children's daily smoking. Parents who quit stillplace children at substantially higher risk compared to parentswho never smoked.