1. Tobacco use in pregnant women: analysis of data from Demographic and Health Surveys from 54 low-income and middle-income countries 
Dr Rishi Caleyachetty, PhD, Christopher A Tait, MPH, Andre P Kengne, PhD, Camila Corvalan, PhD, Prof Ricardo Uauy, PhD, Justin B Echouffo-Tcheugui, PhD 
The Lancet Global Health 
Volume 2, Issue 9, Pages e513-e520 (September 2014)
DOI: /S X(14)
Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions

2. Figure 1
Pooled prevalence of current smoking in pregnant women by WHO region
Black squares are the effect estimates (pooled prevalence) and the horizontal bars show 95% CIs. Pooled estimates were derived from double arc-sine transformed prevalence and back-transformed for reporting.
The Lancet Global Health 2014 2, e513-e520DOI: ( /S X(14) )
Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions

3. Figure 2
Pooled prevalence of current smokeless tobacco use by pregnant women by WHO region
Black squares are the effect estimates (pooled prevalence) and the horizontal bars show 95% CIs. Pooled estimates were derived from double arc-sine transformed prevalence, and back-transformed for reporting.
The Lancet Global Health 2014 2, e513-e520DOI: ( /S X(14) )
Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions

4. Figure 3
Pooled prevalence of any tobacco use by pregnant women by WHO region
Black squares are the effect estimates (pooled prevalence) and the horizontal bars show 95% CIs. Pooled estimates were derived from double arc-sine transformed prevalence, and back-transformed for reporting.
The Lancet Global Health 2014 2, e513-e520DOI: ( /S X(14) )
Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions