Table 3.

Methodological quality assessment results of the included studies.

Authors	Evaluation criteria (see Additional file 1)										%
	1	2	3	4	5	6	7	8	9	10
Wami et al. [57]	√	NA	√	√	√	√	√	√	√	√	100
Mekonnen1 [58]	√	X	√	√	√	√	√	X	√	√	80
Mekonnen2 [59]	√	X	√	√	√	√	√	√	√	√	90
Abebe et al. [60]	√	X	√	√	√	√	√	√	√	√	90
Abebaw et al. [61]	√	X	√	√	√	√	√	√	X	√	80
Yosef et al. [62]	√	X	√	√	√	√	√	√	√	√	90
Kebede et al. [63]	√	X	√	√	√	√	√	√	√	√	90
Beyen et al. [64]	√	X	√	√	√	√	√	√	√	√	90
Belay et al. [65]	√	X	√	√	√	√	√	√	√	√	90
Wanamo et al. [66]	√	NA	√	√	√	√	√	X	√	√	88.88
Assefa [67]	X	X	X	√	√	√	√	√	√	√	70
Tefera et al. [68]	√	X	√	√	√	√	√	X	√	√	90
Tafese [69]	√	NA	√	√	√	√	√	X	√	√	88.88
Tafese et al. [70]	X	NA	√	√	√	√	√	√	√	√	88.88
Assefa [71]	√	NA	√	√	√	√	√	√	√	√	100
Yitayeh et al. [72]	√	X	X	√	√	√	√	√	X	√	70
Lamina et al. [73]	√	X	√	√	√	√	√	√	√	√	90
Henok and Bekele [74]	X	NA	√	√	√	√	√	√	X	√	77.77
Lette et al. [75]	√	X	√	√	√	√	√	X	√	√	80
Girma [76]	√	NA	√	√	√	√	√	√	√	√	100
Bedru [77]	√	X	√	√	√	√	√	√	√	√	90
Etana [78]	√	X	√	√	√	√	√	√	√	√	90
Regassa et al. [79]	√	√	√	√	√	√	√	√	√	√	100
Hailu [80]	√	X	√	√	√	√	√	√	√	√	90
Zungu and Nigatu [81]	√	X	√	√	√	√	√	√	√	√	90
Deksisa et al. [82]	√	√	√	√	√	X	X	√	√	√	80
Yehualaw [83]	√	X	√	√	√	√	√	√	√	√	90
Teklu [84]	√	X	√	√	√	√	√	√	X	√	80
Mijena et al. [85]	√	X	√	√	√	√	√	X	√	√	80
Abir et al. [86]	√	X	X	X	X	X	X	√	√	X	30
Jeon and Jeon [87]	X	X	X	√	√	√	√	X	X	√	50
Delele et al. [88]	√	X	√	√	√	√	√	√	√	√	90

√: criteria fulfilled; X: criteria were not fulfilled; NA: not applicable.