[Table], Table 3.39. Relative risks for stillbirth or neonatal death among women smokers, cohort studies - Women and Smoking

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Study	Country	Number of pregnancies	Relative risk (95% confidence interval)
Study	Country	Number of pregnancies	Stillbirth		Neonatal death
Cnattingius et al. 1988	Sweden	281,808	Nonsmokers	1.0	Nonsmokers	1.0
Cnattingius et al. 1988	Sweden	281,808	Smokers	1.4 (1.2-1.6)	Smokers	1.2 (1.0-1.4)
Malloy et al. 1988	United States	305,730			Nonsmokers	1.0
Malloy et al. 1988	United States	305,730			Smokers	1.2 (1.1-1.3)
Raymond et al. 1994	Sweden	638,242	Nonsmokers	1.0
Raymond et al. 1994	Sweden	638,242	Smokers	1.4 (1.2-1.5)
Schramm 1997	United States	176,843	Nonsmokers	1.0	Nonsmokers	1.0
Schramm 1997	United States	176,843	Smokers	1.2 ^*	Smokers	1.4 ^*

Women and Smoking: A Report of the Surgeon General.

Office on Smoking and Health (US).

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