• Lucie Kalousova.
• Department of Medicine, Health, Society and Sociology, Vanderbilt University, Nashville, Tennesse. Electronic address: lucie.kalousova@vanderbilt.edu.
• Am J Prev Med. 2023 Aug 1; 65 (2): 261269261-269.

IntroductionChildren of people who smoke have a well-documented higher risk of smoking initiation. However, little is known about the persistence of the association between parental smoking and children's own smoking as they age.MethodsThis study uses data collected by the Panel Study of Income Dynamics collected between 1968 and 2017 and investigates the association between parental smoking and children's own smoking through middle age and how it may be modified by adult children's SES using regression models. The analysis was conducted between 2019 and 2021.ResultsThe results show an increased risk of smoking among adult children of parents who smoked. Their odds were elevated in young adulthood (OR=1.55, 95% CI=1.11, 2.14), established adulthood (OR=1.53, 95% CI = 1.08, 2.15), and middle age (OR=1.63, 95% CI=1.04, 2.55). Interaction analysis shows that this statistically significant relationship is limited to high-school graduates only. Among people who smoked in the past or who currently smoke, children of people who smoked had longer average smoking duration. Interaction analysis shows that this risk is limited to high-school graduates only. The adult children of people who smoked and have less than a high-school education, some college, and college graduates did not have a statistically significantly increased risk of smoking or longer smoking duration.ConclusionsThe findings highlight the durability of early life influences, especially for people with low SES.Copyright © 2023 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

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