Table 1 Risk of bias assessment of eligible articles using the hoy 2012 tool
NO | Study ID | Representation | Sampling | Random selection | Non response bias | Data collection | Case Definition | Reliability and validity of study tool | Method of data collection | Prevalence period | Numerator and denominator | Summary Assessment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Cherinet et al. | High risk | Low risk | High risk | Low risk | Low risk | High risk | High risk | High risk | low risk | Low risk | High risk |
2 | Cherinet et al. | High risk | Low risk | High risk | Low risk | Low risk | High risk | High risk | High risk | low risk | Low risk | High risk |
3 | Berhanu et al. | Low risk | Low risk | Low risk | Low risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk | Low risk |
4 | Girma et al. | Low risk | Low risk | Low risk | Low risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk | Low risk |
5 | Mezgebu et al. | Low risk | Low risk | High risk | Low risk | High risk | High risk | High risk | Low risk | Low risk | Low risk | High risk |
6 | Wolka E et al. | High risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
7 | Gebriel et al. | High risk | Low risk | High risk | Low risk | High risk | Low risk | High risk | Low risk | Low risk | Low risk | Medium risk |
8 | Mesele et al. | High risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
9 | Aweke KA et al. | High risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
10 | Kibatu et al. | High risk | High risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
11 | Enyew et al. | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
12 | Hailu et al. | High risk | Low risk | Low risk | Low risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk | Low risk |
13 | Sime HK et al. | High risk | Low risk | Low risk | High risk | High risk | High risk | High risk | Low risk | High risk | Low risk | High risk |
14 | Solomon E. | High risk | Low risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
15 | Muleta et al. | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
16 | Hibstu DT et al. | Low risk | Low risk | Low risk | Low risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk | Low risk |
17 | Tigabu E et al. | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
18 | Ahmed A et al. | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
19 | Abebe et al. | High risk | Low risk | Low risk | High risk | Low risk | High risk | Low risk | Low risk | Low risk | Low risk | Medium risk |