Table 2.
No. of reports | Prevalen rate (%) | ce Lower Limit (LL) | Upper Limit (UL) | I2(%) | P for heterogeneity | P value* between groups | |
Primary analysis | 9 | 0.33 | 0.23 | 0.42 | 99.10% | <0.001 | 0.019 |
Subgroup analyses | |||||||
Publication year | |||||||
-2015 | 4 | 0.28 | 0.16 | 0.39 | 98.90% | <0.001 | 0.628 |
2015-1019 | 5 | 0.37 | 0.18 | 0.55 | 99.40% | <0.001 | |
Study location | |||||||
East Africa | 4 | 0.41 | 0.24 | 0.58 | 99.30% | <0.001 | 0.023 |
Central Africa | 2 | 0.21 | -0.02 | 0.44 | 99.50% | <0.001 | |
West Africa | 3 | 0.29 | 0.06 | 0.52 | 98.90% | <0.001 | |
Only pregnant/All women | |||||||
Only pregnant | 6 | 0.42 | 0.05 | 0.80 | 98.20% | <0.001 | 0.046 |
All women | 3 | 0.28 | 0.20 | 0.36 | 99.70% | <0.001 | |
Participants age | |||||||
Only young women (≤ 24) | 2 | 0.23 | 0.14 | 0.39 | 98.70% | <0.001 | 0.098 |
All women | 7 | 0.34 | 0.20 | 0.48 | 99.30% | <0.001 | |
Survey method | |||||||
Questionnaire | 7 | 0.31 | 0.19 | 0.42 | 99.10% | <0.001 | 0.036 |
Interview | 2 | 0.40 | 0.01 | 0.78 | 99.50% | <0.001 | |
Studies quality | |||||||
<9 | 5 | 0.19 | 0.12 | 0.26 | 97.80% | <0.001 | 0.149 |
>9 | 4 | 0.49 | 0.35 | 0.63 | 97.90% | <0.001 |
P values for meta-regression.