Population | Number of people | Asthma: OR [95% CI] based on proximity to road | References | ||
No-exposed | Exposed | p | |||
South Africa Children | 423 | 1 | 1.12 [1.01 - 1.24] | 0.04 | Naidoo et al., 2013 [32] . |
South Africa Children | 3764 | 1 | 1.60 [1.24 - 2.02] | 0.000 | Shirinde et al., 2015 [33] . |
Ethiopia Adults Children | 3592 | 1 | 1.17 [1.01 - 1.36] | 0.03 | Venn et al., 2005 [34] . |
ISAAC Phase 3 centers in Africa (Morroco and Nigeria) Children | 2656 | 1 | 1.24 [1.14 - 1.35] | - | Brunekreef et al., 2009 [35] . |