Effect of Swedish snuff (snus) on preterm birth
Please cite this paper as: Wikström A‐K, Cnattingius S, Galanti M, Kieler H, Stephansson O. Effect of Swedish snuff (snus) on preterm birth. BJOG 2010;117:1005–1010. Objective To compare the effects of Swedish snuff and cigarette smoking on risks of preterm birth. Design Population‐based cohort st...
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Veröffentlicht in: | BJOG : an international journal of obstetrics and gynaecology 2010-07, Vol.117 (8), p.1005-1010 |
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Sprache: | eng |
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Zusammenfassung: | Please cite this paper as: Wikström A‐K, Cnattingius S, Galanti M, Kieler H, Stephansson O. Effect of Swedish snuff (snus) on preterm birth. BJOG 2010;117:1005–1010.
Objective To compare the effects of Swedish snuff and cigarette smoking on risks of preterm birth.
Design Population‐based cohort study.
Setting Sweden.
Population All live, singleton births in Sweden 1999–2006.
Methods Odds ratios (OR) with 95% confidence intervals (CI) were used to estimate relative risks for preterm birth in snuff users (n = 7607), light smokers (1–9 cigarettes/day; n = 41 436) and heavy smokers (ten or more cigarettes/day; n = 16 951) using non‐tobacco users (n = 503 957) as reference.
Main outcome measures Very ( |
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ISSN: | 1470-0328 1471-0528 1471-0528 |
DOI: | 10.1111/j.1471-0528.2010.02575.x |