1. Socioeconomic status and non-communicable disease behavioural risk factors in low- income and lower-middle-income countries: a systematic review 
Luke Allen, MPH, Julianne Williams, MSC, Dr Nick Townsend, PhD, Bente Mikkelsen, MD, Nia Roberts, PhD, Charlie Foster, PhD, Kremlin Wickramasinghe, PhD 
The Lancet Global Health 
Volume 5, Issue 3, Pages e277-e289 (March 2017)
DOI: /S X(17)30058-X
Copyright © 2017 World Health Organization Terms and Conditions

2. Figure 1 Study selection
The Lancet Global Health 2017 5, e277-e289DOI: ( /S X(17)30058-X)
Copyright © 2017 World Health Organization Terms and Conditions

3. Figure 2
Sources of data from low-income and lower-middle-income countries
The Lancet Global Health 2017 5, e277-e289DOI: ( /S X(17)30058-X)
Copyright © 2017 World Health Organization Terms and Conditions

4. Figure 3
Number of studies for each risk factor showing the socioeconomic group with the highest risk
The Lancet Global Health 2017 5, e277-e289DOI: ( /S X(17)30058-X)
Copyright © 2017 World Health Organization Terms and Conditions