S.N | Author, year of publication | Sample of pregnant women representative? | Sampling Frame representative? | Random or census selection? | Response rate ≥75%? | Data from subjects? | Acceptable diagnostic criteria? | Reliable testing for BG? | Same method for all? | Proper gestational age GDM test? | Proper calculation prevalence | Total ‘Yes’ | Overall risk of bias |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Niyibizi et al., 2016 [13] | Yes | No | No | Yes | Yes | No | No | Yes | Yes | No | 5 | High |
2 | Sagheer and Hamdi , 2018 [56] | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 9 | Low |
3 | Ogoudjobi et al., 2017 [44] | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 9 | Low |
4 | Oppong et al., 2015 [45] | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 9 | Low |
5 | Oriji et.al., 2017 [41] | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 8 | Low |
6 | Agbozo et al., 2018 [39] | No | No | No | Yes | Yes | No | No | No | Yes | Yes | 9 | High |
7 | Nakabuye et al., 2017 [47] | No | Yes | No | Yes | Yes | Yes | No | Yes | Yes | No | 6 | Moderate |
8 | Macaulay et al., 2018 [54] | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 9 | Low |
9 | Abbey and Kasso , 2018 [40] | No | No | No | Yes | Yes | No | No | Yes | No | Yes | 4 | High |
10 | Njete et al., 2018 [48] | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 10 | Low |
11 | Pastakia et al., 2017 [49] | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | 9 | Low |
12 | Olagbuji et al., 2017 [42] | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | No | 8 | Low |
13 | Munang et al., 2017 [51] | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Yes | Yes | 8 | Low |
14 | Jao et al., 2013 [53] | No | No | Yes | NR | Yes | Yes | Yes | Yes | Yes | Yes | 7 | Moderate |
15 | Djomhou et al., 2016 [52] | No | No | Yes | Yes | Yes | No | No | Yes | No | No | 4 | High |
16 | Olagbuji et al., 2015 [17] | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 10 | Low |
17 | Ogu et al., 2017 [43] | No | No | No | NR | No | Yes | Yes | Yes | No | Yes | 4 | High |
18 | Khalil et al, 2017 [57] | No | No | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | 7 | Moderate |
19 | Adams and Rheeder, 2017 [15] | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | 9 | Low |
20 | Adoyo et al., 2016 [50] | No | No | No | Yes | Yes | NR | NR | NR | Yes | Yes | 4 | High |
21 | Mwanri et al., 2014 [11] | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | No | 8 | Low |
22 | Asare-Anane et al., 2014 [46] | Yes | No | No | Yes | Yes | Yes | Yes | No | Yes | NR | 6 | Moderate |
23 | Mathilda et al.,2017 [55] | Yes | Yes | No | Yes | No | No | No | No | Yes | No | 4 | High |