Table 1.

The prevalence of risky sexual behavior among students related to the institution, Ethiopia, 2018.

First author	Study year	Institution	Study design	Risky sexual behavior	Sample size	Cases	Prevalence (%)
Yigzaw et al. [25]	2013	Addis Ababa University	Cross-sectional	Yes	955	372	39
Gemechu [26]	2013	Alkan College	Cross-sectional	Yes	207	126	60.9
Kebede et al. [27]	2017	Aksum University	Cross-sectional	Yes	287	174	60.6
Alamrew et al. [28]	2012	Bahirdar Private College	Cross-sectional	Yes	771	391	50.7
Taye and Nurie [29]	2016	Bahirdar Regular Private College	Cross-sectional	Yes	344	80	23.3
Mekonnen et al. [30]	2013	Debre Markos College	Cross-sectional	Yes	714	238	33.3
Mamo et al. [31]	2016	Debre Markos University	Cross-sectional	Yes	631	282	44.7
Dingeta et al. [32]	2010	Haramaya University	Cross-sectional	Yes	1249	355	28.4
Mavhandu-Mudzusi and Asgedom [33]	2010	Jigjiga University	Cross-sectional	Yes	207	122	50.9
Tura et al. [34]	2009	Jimma University	Cross-sectional	Yes	1010	267	26.4
Gebresllasie et al. [35]	2013	Mekele College	Cross-sectional	Yes	590	151	25.6
Fantahun et al. [36]	2013	Mekele University	Cross-sectional	Yes	258	147	56.9
Yarinbab et al. [37]	2017	Mizantape College	Cross-sectional	Yes	331	116	35
Debebe and Solomon [38]	2014	Mada Walabu University	Cross-sectional	Yes	604	330	54.6
Tololu [39]	2016	Oromia Tevt College	Cross-sectional	Yes	410	201	49
Negeri [40]	2013	Wolega university	Cross-sectional	Yes	860	422	49.1
Yohannes et al. [41]	2011	Wolayta Sodo University	Cross-sectional	Yes	447	158	35.3
Derbie et al. [42]	2014	Debre Tabor University	Cross-sectional	Yes	343	97	28.3