Tobacco use and second-hand smoke exposure in young adolescents aged 12–15 years: data from 68 low-income and middle-income countries  Prof Bo Xi, PhD, Yajun Liang, PhD, Prof Yunxia Liu, PhD, Yinkun Yan, PhD, Min Zhao, PhD, Chuanwei Ma, MS, Prof Pascal Bovet, MD  The Lancet Global Health  Volume 4, Issue 11, Pages e795-e805 (November 2016) DOI: 10.1016/S2214-109X(16)30187-5 Copyright © 2016 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND license Terms and Conditions

Figure 1 Prevalence of current use of any tobacco product in young adolescents aged 12–15 years in 68 low-income and middle-income countries Data are from the Global School-based Student Health Survey, except for China, where data are from the China Global Tobacco Youth Survey in 2013. The Lancet Global Health 2016 4, e795-e805DOI: (10.1016/S2214-109X(16)30187-5) Copyright © 2016 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND license Terms and Conditions

Figure 2 Prevalence of second-hand smoke exposure in young adolescents aged 12–15 years in 68 low-income and middle-income countries Data are from Global School-based Student Health Survey, except for China, where data are from the China Global Tobacco Youth Survey in 2013. The Lancet Global Health 2016 4, e795-e805DOI: (10.1016/S2214-109X(16)30187-5) Copyright © 2016 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND license Terms and Conditions