1. Ethnicity and maternal and child health outcomes and service coverage in western China: a systematic review and meta-analysis 
Yuan Huang, David Shallcross, Li Pi, Fan Tian, Jay Pan, Prof Carine Ronsmans 
The Lancet Global Health 
Volume 6, Issue 1, Pages e39-e56 (January 2018)
DOI: /S X(17)30445-X
Copyright © 2018 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions

2. Figure 1
Flow chart of study selection for inclusion in the systematic review
CNKI=China National Knowledge Infrastructure. MCH=maternal and child health. *Two studies reported both maternal health and child health datasets. †One study reported both individual and ecological comparisons. ‡One study reported both maternal health and child health datasets.
The Lancet Global Health 2018 6, e39-e56DOI: ( /S X(17)30445-X)
Copyright © 2018 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions

3. Figure 2
Pooled crude ORs between ethnicity and maternal and child health indicators
OR=odds ratio. BCG=Bacillus Calmette–Guérin vaccine. DPT=diphtheria, pertussis, and tetanus vaccine. MV=measles vaccine. OPV=oral polio vaccine.
The Lancet Global Health 2018 6, e39-e56DOI: ( /S X(17)30445-X)
Copyright © 2018 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions

4. Figure 3
Pooled adjusted ORs between ethnicity and maternal and child health indicators
OR=odds ratio. BCG=Bacillus Calmette–Guérin vaccine. DPT=diphtheria, pertussis, and tetanus vaccine. MV=measles vaccine. OPV=oral polio vaccine. *Not all the datasets report the crude data.
The Lancet Global Health 2018 6, e39-e56DOI: ( /S X(17)30445-X)
Copyright © 2018 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions