Association of low birthweight with indoor air pollution from biomass fuel in sub-Saharan Africa: A systemic review and meta-analysis

Figures & data

Figure 1. The diagrammatic flow of data extraction process for systematic review and meta-analysis

Table 1. Summary of search results for the PubMed, Google Scholar and other databases

Databases	Searching terms	Number of studies
Google Scholar	“Low birth weight” OR “very low birth weight” AND “indoor air pollution” OR “air quality”	86
PubMed	Search (((“air pollution, indoor”[MeSH Terms] OR indoor air pollution[Text Word])) AND (“Infant, Low Birth Weight”[Mesh] OR “Infant, Extremely Low Birth Weight”[Mesh] OR “Infant, Very Low Birth Weight”[Mesh] OR low birth weight[Text Word])) AND “Africa South of the Sahara”[Mesh]	31
From other databases^a		12
Total retrieved articles		129
Included papers		6

aCINAHL and global health.

Table 2. Summary of six studies included in the systematic review and meta-analysis of the association of low birthweight and indoor air pollution from biomass fuel in sub-Saharan Africa, 2020

No.	Author	Year	Country	Sample size	Quality score
1	Demelash et al (Demelash et al., 2015)	2015	Ethiopia	387	8
2	Amegah et al (Amegah et al., 2012)	2012	Ghana	592	9
3	Milanzi & namacha (Milanzi & Namacha, 2017)	2017	Malawi	9124	9
4	Mishra et al (Mishra et al., 2004)	2004	Zimbabwe	2299	9
5	Foto T (Foto, 2015)	2015	Zimbabwe	3317	9
6	Admasie et al (Admasie et al., 2018)	2018	Ethiopia	1042	9

Figure 2. Forest plot showing pooled odds ratio of association of low birthweight with indoor air pollution from biomass fuel in sub-Saharan Africa, 2020

Figure 3. Funnel plot with 95% confidence limits of association of low birthweight with indoor air pollution from biomass fuel in sub-Saharan Africa, 2020

Demelash, H., Motbainor, A., Nigatu, D., Gashaw, K., & Melese, A. (2015). Risk factors for low birth weight in Bale zone hospitals, South-East Ethiopia: A case-control study. BMC Pregnancy and Childbirth, 15(1), 264. https://doi.org/https://doi.org/10.1186/s12884-015-0677-y

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Amegah, A. K., Jaakkola, J. J., Quansah, R., Norgbe, G. K., & Dzodzomenyo, M. (2012). Cooking fuel choices and garbage burning practices as determinants of birth weight: A cross-sectional study in Accra, Ghana. Environ Health, 11(78), 1-10. https://doi.org/https://doi.org/10.1186/1476-069X-11-78

 Google Scholar

Milanzi, E. B., & Namacha, N. M. (2017). Maternal biomass smoke exposure and birth weight in Malawi: Analysis of data from the 2010 Malawi demographic and health survey. Malawi Medical Journal, 29(2), 160–165. https://doi.org/https://doi.org/10.4314/mmj.v29i2.16

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Mishra, V., Dai, X., Smith, K. R., & Mika, L. (2004). Maternal exposure to biomass smoke and reduced birth weight in Zimbabwe. Annals of Epidemiology, 14(10), 740–747. https://doi.org/https://doi.org/10.1016/j.annepidem.2004.01.009

 PubMed Web of Science ®Google Scholar

Foto, T. G. Household type of fuel and low birth weight in newborns in Zimbabwe: Findings from the 2014 multiple indicator cluster survey. Thesis, 2015. Chulalongkorn University. http://cuir.car.chula.ac.th/handle/123456789/51398

 Google Scholar

Admasie, A., Kumie, A., & Worku, A. (2018). Association of household fuel type, kitchen characteristics and house structure with child size at birth in Wolaita Sodo, Southern Ethiopia. The Open Public Health Journal, 11 (1), 298–9. Accessed at. https://openpublichealthjournal.com/VOLUME/11/PAGE/298/FULLTEXT/

 Google Scholar

Data availability statement:

Data will be available upon reasonable request of the corresponding author.