title: Socio-demographic and lifestyle-related characteristics associated with self-reported any, daily and occasional smoking during pregnancy.
abstract: Smoking during pregnancy is a risk factor for various adverse birth outcomes. In order to develop effective interventions, insight is needed into the characteristics associated with pregnant women who smoke. Unknown is whether these characteristics differ for women who smoke daily and women who smoke occasionally. Our study sample, drawn from the DELIVER study (Sept 2009-March 2011), consisted of 6107 pregnant women in primary care in the Netherlands who were up to 34 weeks pregnant. The associations of thirteen socio-demographic or lifestyle-related characteristics with 'any smoking', 'daily smoking' and 'occasional smoking' during pregnancy were tested using multiple binary logistic regression with general estimating equations (GEE). Characteristics most strongly associated with any smoking were low education (OR 10.3; 95% confidence interval (CI) 7.0-15.4), being of Turkish ethnicity (OR 3.9; 95%CI 2.3-6.7) and having no partner (OR 3.7; 95%CI 2.3-6.0). Women of Dutch ethnicity were three times more likely to smoke than those from Dutch-speaking Caribbean countries and non-religious women were much more likely to smoke than religious women. Low education was markedly more strongly associated with daily smoking than with occasional smoking (OR 20.3; 95%CI 13.2-31.3 versus OR 6.0; 95%CI 3.4-10.5). Daily smokers were more likely to be associated with other unfavorable lifestyle-related characteristics, such as not taking folic acid, being underweight, and having had an unplanned pregnancy. There is still much potential for health gain with respect to smoking during pregnancy in the Netherlands. Daily and occasional smokers appear to differ in characteristics, and therefore possibly require different interventions.
authors.affiliation: Department of Midwifery Science, AVAG/EMGO Institute for Health and Care Research, Free University Medical Center, Amsterdam, The Netherlands.
authors.forename: Ruth
authors.initials: R
authors.lastname: Baron
authors.forename: Judith
authors.initials: J
authors.lastname: Manniën
authors.forename: Ank
authors.initials: A
authors.lastname: de Jonge
authors.forename: Martijn W
authors.initials: MW
authors.lastname: Heymans
authors.forename: Trudy
authors.initials: T
authors.lastname: Klomp
authors.forename: Eileen K
authors.initials: EK
authors.lastname: Hutton
authors.forename: Johannes
authors.initials: J
authors.lastname: Brug
mesh_terms: D000293:Adolescent; D000328:Adult; D003710:Demography; D005260:Female; D006801:Humans; D008019:Life Style; D008875:Middle Aged; D009426:Netherlands; D011247:Pregnancy; D011248:Pregnancy Complications; D012650:Self Disclosure; D012907:Smoking; D012959:Socioeconomic Factors; D055815:Young Adult
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