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Fig. 3 | BMC Public Health

Fig. 3

From: Air pollution, neighbourhood and maternal-level factors modify the effect of smoking on birth weight: a multilevel analysis in British Columbia, Canada

Fig. 3

Adjusted Predicted Effects of Maternal Smoking on Birth Weight across Maternal-level Factors. a Maternal age b Suspected Drug or Alcohol Use. Predicted effects on birth weight with 95 % confidence intervals are conditional on model covariates included in Model 3. Black vertical lines represent the frequency distribution of the variable on the x-axis (except Fig. 3b which shows the frequency distribution of cigarettes/day)

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BMC Public Health

ISSN: 1471-2458

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