Supporting file 2.
Quality assessment score of the studies included in the analysis (n=15)
| Author, year |
Quality domain | Total | ||||||
| Selection (Max score=5) |
Comparability (Max=2) |
Outcome (Max=3) |
||||||
| 1) Representative ness of the sample: a) Truly representative of the average in the target population* (all subjects or random sampling) b) Somewhat representative of the average in the target population* (non-random sampling) c) Selected group of users. d) No description of the sampling strategy. |
2) Sample size: a) Justified and satisfactory* b) Not justified. |
3) Non-respondents: a) Comparability between respondents and non-respondents characteristics is established, and the response rate is satisfactory* b) The response rate is unsatisfactory, or the comparability between respondents and non-respondents is unsatisfactory. c) No description of the response rate or the characteristics of the responders and the nonresponders. |
4) Ascertainment of the exposure (risk factor): a) Validated tool. ** b) Non-validated measurement tool, but the tool is available or described.* c) No description of measurement tool. |
1) The subjects in different outcome groups are comparable, based on the study design or analysis. Confounding factors are controlled. a) The study controls for the most important factor (select one)* b) The study control for any additional factor* c) no control |
1) Assessment of outcome a) Independent blind assessment ** b) Record linkage** c) Self report * d) No description. |
2) Statistical test: a) is clearly described, appropriate, and measurement of association is presented, including confidence intervals & probability level (p value)* b) is not appropriate |
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| EDHS, 2011 | b (+1) | b(+1) | a (+1) | b (+1) | a (+1) | c (+1) | a(+1) | 7 |
| EDHS, 2005 | b (+1) | b(+1) | a (+1) | b (+1) | a (+1) | c (+1) | a(+1) | 7 |
| EDHS, 2000 | b (+1) | b(+1) | a (+1) | b (+1) | a (+1) | c (+1) | a(+1) | 7 |
| Agumasie, 20 13 | b (+1) | b(+1) | a (+1) | c(+0) | a (+1) | c (+1) | a(+1) | 6 |
| Berhane, 2017 | b (+1) | b(+1) | a (+1) | c(+0) | a (+1) | c (+1) | a(+1) | 6 |
| Negussie, 2010 | b (+1) | b(+1) | a (+1) | b(+1) | a (+1) | c (+1) | a(+1) | 7 |
| Assefa, 2008 | b (+1) | b(+1) | c(+0) | c(+0) | c(+0) | c (+1) | b(+0) | 3 |
| Ellsberg, 2005 | b (+1) | b(+1) | a (+1) | c(+0) | a (+1) | c (+1) | a(+1) | 6 |
| Ruman, 2013 | b (+1) | b(+1) | a (+1) | c(+0) | a (+1) | c (+1) | a(+1) | 6 |
| Bedilu, 2016 | b (+1) | b(+1) | a (+1) | c(+0) | c(+0) | c (+1) | b(+0) | 4 |
| Mulunesh , 2015 | b (+1) | b(+1) | a (+1) | c(+0) | c(+0) | c (+1) | b(+0) | 4 |
| Tsegahun, 20 08 | b (+1) | b(+1) | a (+1) | c(+0) | a (+1) | c (+1) | a(+1) | 6 |
| Haji, 2004 | b (+1) | b(+1) | a (+1) | c(+0) | a (+1) | c (+1) | a(+1) | 6 |
| Yegomawor k, 2004 | b (+1) | b(+1) | a (+1) | b(+1) | a (+1) | c (+1) | a(+1) | 7 |
| Bereket, 2016 | b (+1) | b(+1) | a (+1) | c(+0) | c(+0) | c (+1) | b(+0) | 4 |