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. 2021 Apr 1:66:602873.
doi: 10.3389/ijph.2021.602873. eCollection 2021.

Trends in Tobacco Smoking in Pregnant Women: Data From French National Perinatal Surveys

Virginie Demiguel  1 , Béatrice Blondel  2   3 , Camille Bonnet  2   3 , Viêt Nguyen-Thanh  1 , Marie-Josèphe Saurel-Cubizolles  2   3 , Nolwenn Regnault  1
Affiliations

Trends in Tobacco Smoking in Pregnant Women: Data From French National Perinatal Surveys

Virginie Demiguel et al. Int J Public Health. .

Abstract

Objectives: To describe maternal smoking trends in France between 1972 and 2016, and identify whether maternal characteristics associated with smoking in the 3rd trimester of pregnancy evolved between 2010 and 2016. Methods: Using French National Perinatal Surveys, we estimated proportions of smokers and the number of cigarettes smoked both just before pregnancy and during the 3rd trimester from 1972 to 2016. We used a Poisson model with robust variance to estimate prevalence ratios for smoking during pregnancy. Results: Proportions of mothers quitting smoking were relatively stable (46.0% in 1972 and 45.8% in 2016). The number of cigarettes smoked just before pregnancy and in the 3rd trimester decreased from 1995 onward. However, proportions of smokers remained high before (30.1%) and during the 3rd trimester in 2016 (16.2%). Smoking in the 3rd trimester was associated with a lower education level and lower income in both 2010 and 2016, whereas the association with age, country of birth and parity varied according to the survey year. Conclusion: Early targeted interventions are needed for smokers who plan to have a child and must take smokers' characteristics during pregnancy into account.

Keywords: pregnancy; smoking cessation; surveillance; tobacco smoking; trends.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

FIGURE 1
FIGURE 1
Smoking prevalence before and during pregnancy, and proportions of cessation between 1972 and 2016 (A) Smoking prevalence just before pregnancy and during the 3rd trimester (B) proportions of smoking cessation; prevalences for two consecutive surveys were compared using Pearson’s Chi-square test (A) and (B): 95% CI: 95% confidence intervals; *** for p-value<0.01 and NS: not significant (B) aAmong smokers just before pregnancy (data from the National Perinatal Surveys from 1972 to 2016, France).
FIGURE 2
FIGURE 2
Distribution of smokers according to the number of cigarettes smoked daily just before pregnancy; with 95% confidence intervals (data from National Perinatal Surveys from 1972 to 2016, France).
FIGURE 3
FIGURE 3
Distribution of smokers according to the number of cigarettes smoked daily in the 3rd trimester of pregnancy; with 95% confidence intervals (data from the National Perinatal Surveys from 1972 to 2016, France).
FIGURE 4
FIGURE 4
Change between 2010 and 2016 in smoking behaviours (Cessation, reduction, no change) during pregnancy with respect to tobacco consumption smoked just before pregnancy (data from the National Perinatal Surveys in 2010 and 2016, France).
See this image and copyright information in PMC

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