Association between Heated Tobacco Product Use during Pregnancy and Fetal Growth in Japan: A Nationwide Web-Based Survey

Yoshihiko Hosokawa (), Masayoshi Zaitsu, Sumiyo Okawa, Naho Morisaki, Ai Hori, Yukiko Nishihama, Shoji F. Nakayama, Takeo Fujiwara, Hiromi Hamada, Toyomi Satoh and Takahiro Tabuchi
Additional contact information
Yoshihiko Hosokawa: Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8577, Japan
Masayoshi Zaitsu: Center for Research of the Aging Workforce, University of Occupational and Environmental Health, Kitakyushu 807-8556, Japan
Sumiyo Okawa: Institute for Global Health Policy Research, Bureau of International Health Cooperation, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
Naho Morisaki: Department of Social Medicine, National Center for Child Health and Development, Tokyo 157-8535, Japan
Ai Hori: Department of Global Public Health, University of Tsukuba, Tsukuba 305-8577, Japan
Yukiko Nishihama: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Shoji F. Nakayama: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Takeo Fujiwara: Department of Global Health Promotion, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
Hiromi Hamada: Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8577, Japan
Toyomi Satoh: Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8577, Japan
Takahiro Tabuchi: Cancer Control Center, Osaka International Cancer Institute, Osaka 541-8567, Japan

IJERPH, 2022, vol. 19, issue 18, 1-9

Abstract: Combustible cigarette smoking impacts fetal growth during pregnancy. However, the risk associated with heated tobacco products (HTPs) remains unclear. This nationwide cross-sectional study investigated whether HTP use during pregnancy is associated with small for gestational age (SGA) outcomes among 5647 post-delivery women with singleton pregnancies, which were divided into four groups: lifetime never-smokers, former smokers before pregnancy, and current smokers for each of the tobacco products during pregnancy (sole HTP and sole combustion smokers). Information on the prevalence of SGA, defined as birth weight and height below the 10th percentile, was retrieved from the Maternal and Child Health Handbooks of post-delivery women. Using logistic regression, the association between sole HTP smokers during pregnancy and SGA, adjusted for covariates, with lifetime never-smokers as reference, was investigated. The prevalence was: current sole HTP smokers during pregnancy, 1.8% (102/5647); and SGA, 2.9% (164/5647). Sole HTP smokers during pregnancy had a higher prevalence of SGA (5.9% [6/102] vs. 2.7% [111/4144]) with an adjusted odds ratio (OR) of 2.50 (95% confidence interval [CI], 1.03–6.05) than lifetime never-smokers. Among sole combustion smokers, the adjusted OR for SGA was 1.95 (95% CI, 0.81–4.67). In Japan, HTP smoking during pregnancy may be associated with an increased risk for SGA.

Keywords: heated tobacco products; small for gestational age; perinatal outcome; coronavirus disease 2019; smoking (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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