Baseline characteristics of the studies used to assess the pooled prevalence of neonatal hyperbilirubinaemia in sub-Saharan Africa
| Author/publication year | Country | Region | Study design | Total sample size | Final included sample size | Prevalence (%) | Response rate | Contributions |
| Lake et al 20197 | Ethiopia | Tigray | Cross-sectional | 209 | 209 | 78 (37.3) | 100 | For estimating pooled prevalence and associated factories |
| Kassa et al 20189 | Ethiopia | Addis Ababa | Cross-sectional | 356 | 356 | 160 (44.9) | 100 | For estimating pooled prevalence and associated factories |
| Onyearugha et al 20118 | Nigeria | Southeast Nigeria | Cross-sectional | 457 | 457 | 160 (35) | 100 | For estimating the pooled prevalence |
| Osuorah et al 20186 | Nigeria | Ibadan | Cross-sectional | 232 | 232 | 79 (34.1) | 100 | For estimating the pooled prevalence |
| Diala et al 201810 | Nigeria | cosmopolitan | Cohort | 1106 | 1106 | 159 (15.3) | 100 | For estimating pooled prevalence and associated factories |
| Badejoko et al 201416 | Nigeria | Awolowo University | Cohort | 644 | 639 | 129 (20) | 99.3 | For estimating pooled prevalence and associated factories |
| Emokpae et al 201611 | Nigeria | Lagos | Cross-sectional | 5229 | 5229 | 1153 (22.1) | 100 | For estimating pooled prevalence and associated factories |
| Osuorah et al 20186 | Nigeria | Enugu State University | Cohort | 1920 | 1920 | 480 (25) | 100 | For estimating pooled prevalence and associated factories |
| Mutombo et al 20144 | Congo | Congo | Cross-sectional | 2410 | 2410 | 120 (4.9) | 100 | For estimating the pooled prevalence |
| Wolf et al 19975 | Zimbabwean | Zimbabwean | Cohort | 120 | 110 | 50 | 91.7 | For estimating the pooled prevalence |
| Woimo TT et al (2015) | Suadn | – | Case control | 243 | 243 | – | 100 | For estimating the pooled Associated factories |
| Farouk et al (2018) (2016)17 | Nigeria | Kano | Case control | 551 | 551 | – | 100 | For estimating the pooled prevalence |