S.N | Author, Year | Study design | Year study conducted | Sample size | Study area | Age in years | Response rate | Prevalence (Outcome) | Weakness of the study |
---|---|---|---|---|---|---|---|---|---|
1. | (Abebe, Tsion, & Netsanet, 2013) | Institutional based cross sectional study | February 14–28/2012 | 273 | Jimma town | Mean ± SD = 18.6 ± 1.6 Range = 15–24 | 94.8% | 42.1% (Early sexual initiation) | Relatively small sample size |
2. | (Abosetugn, Zergaw, Tadesse, & Addisu, 2015) | Community based cross-sectional study design | January, 2012 | 236 | Dilla | Range = 15–24 | Not reported | 48.3% (Unprotected sex) | Relatively small sample size |
3. | (Alamrew, Bedimo, & Azage, 2013) | Institutional based cross sectional study | March 2012 | 790 | Bahir dar city | Mean ± SD = 21.5 ± 2.44 | 97.6% | 45.3%(Having multiple sexual partners) | Not clearly stated |
4. | (Bayissa, Mebrahtu, Bayisa, & Mekuanint, 2016) | Institutional based cross sectional study | April 15 to 24, 2015 | 328 | Ambo University | mean age = 22.18 years | 87.9% | 20.4% (Early sexual initiation) | Not clearly stated |
5. | (BELETE, 2016) | Institutional based cross-sectional study | March to April 2016 | 388 | Addis Ababa University | Median age = 21 years | 92% | 58.2% (having multiple sexual partners) | Might have under reported by Social desirability bias |
6. | (Bogale & Seme, 2014) | Institutional based cross sectional study | December; 2011 to January; 2012 | 826 | Shendi town, West GojjamZone | Mean ± SD = 17 ± 1.4 Range = 15–24 | 97.1% | 24.8%(having multiple sexual partners) | Social desirability bias responding cannot be ruled out |
7. | (Cherie & Berhane, 2012) | Institutional based cross-sectional study | 2011 | 3543 | Addis Ababa, | Majority were in the age group 15–16 year | 92.5% | 10.6% RSB | Not clearly stated |
8. | (Dadi & Teklu, 2014) | Institutional based cross-sectional study design | February to April 2014 | 422 | Humera town | Mean ± SD = 16.89 ± 1.16 | 100% | 13.7% RSB | Might have social desirability bias |
9. | (Dagne, 2013) | Institutional based cross-sectional study | December, 2013 toDecember, 2014 | 700 | Debre Markos town | Mean ± SD = 17.1 ± 1.6 years Range = 15–24 years | 100% | 78.8% (Early sexual initiation) | recall bias |
10. | (Debebe, 2015) | Institutional based cross-sectional study | February 1–30, 2014 | 604 | Madawalabu University, | Mean ± SD= 21 ± 1.60 years | 95.3% | 35.2% (having multiple sexual partners) | Personal and sensitive issues related to sexuality which might have caused underreporting of some behaviors |
11. | (Derbie, Assefa, Mekonnen, & Biadglegne, 2016) | Institutional based cross sectional study | February 1- march 30, 2014 | 343 | Debre Tabor University | mean age 21.1 years (SD ±2.3) | 87.1% | 39.6% (inconsistent condom used) | The study lacks data on the sexual experiences of students before they join the University |
12. | (Desale, Argaw, & Yalew, 2016) | Institutional based cross sectional study | June 2014 | 1332 | Lalibela town | Mean ± SD =17.39 ± 1.63 years Range = 15–24 years | 97.8% | 46.5% RSB | Might have underreporting as it is not free from social desirability bias and a recall bias, especially in estimating age at first sexual experiences. |
13. | (Dessie, Berhane, & Worku, 2014) | Community based cross-sectional study | March to July 2012 | 633 | Harar town | Range = 13–18 years | 98.75 | 47.55% RSB | Might have social desirability bias |
14. | (Dingeta, Oljira, & Assefa, 2012) | Institutional based cross sectional study | March to April, 2010. | 1286 | Haramaya University | Mean ± SD = 21.4 ± 1.3 | 98.9% | 28% (Early sexual initiation) | Not clearly stated |
15. | (Fite & Cherie, 2016) | Community based cross sectional study | March to June 2014 | 407 | AddisAbaba | Mean ± SD = 16 ± 1.22 years | 96.4% | 23.6% (Early sexual initiation) | Social desirability bias |
16. | (Fury, 2006) | Institutional based cross-sectional study | Jan. 2006 to Feb. 2006 | 813 | Ambo town | Mean ± SD= 17.26 ± 2.1 SD years Range = 10–30 years | 96.4% | 56.4% (having multiple sexual partners) | recall bias |
17. | (G. M. Kassa et al., 2016) | Institutional based cross-sectional study design | April to May 2014 | 300 | Jigaworeda, West Gojjam | Mean ± SD = 17.75 ± 1.37 years | 96.8% | 56.3% % (Early sexual initiation) | Might have recall bias |
18. | (Girma, Hailu, Ayana, & Ketema, 2015) | Institution based cross sectional study | February to March,2014 | 636 | Addis Ababa | Mean ± SD = 17.86 ± 0.97 Range = 15–24 | 97.85% | 25.3% (Early sexual initiation) | Not clearly stated |
19. | (Gizaw, Jara, & Ketema, 2014) | Institutional based cross sectional study | Apri1.7–25, 2014 | 836 | Addis Ababa | Mean = 17.3 Range = 15–24 | 99.3%. | 26.7% RSB | Response may affected by social desirability bias |
20. | (Guta & Yeshambel, 2016) | Institutional based cross sectional study | April 15 to 24, 2015 | 328 | Ambo University | Mean age = 22.18 years | 87.9% | 20.4%(Early sexual initiation) | Not clearly stated |
21. | (Henok, Kassa, Lenda, Nibret, & Lamaro, 2015) | Institutional based cross-sectional study design | June to July 2014. | 284 | Mizan-Tepi University | 18–23 years (80.3%) | 100% | 44.5% (having multiple sexual partners) | Relatively small sample size |
22. | (Kebede et al., 2005) | DHS based survey | December 2001 and May 2002 | 20,434 | Ethiopia | Range = 15–24 years | 91.2% | 20% (unprotected sex) | Not clearly stated |
23. | (Mulu, Yimer, & Abera, 2014) | Institutional based cross sectional study | December to February2013. | 817 | Bahir Dar University | mean age = 21 years Range = 18–30 years | 97.1% | 62% (Unprotected sex) | Social desirability bias |
24. | (Regassa, Chala, & Adeba, 2016) | Institutional based cross-sectional study | February to March 2014 | 704 | Wollega University | median age of respondents was 21Â years | 99.86% | 62.1% (Early sexual initiation) | Not clearly stated |
25. | (Seme & Wirtu, 2016) | Institution based cross sectional study | February andMarch 2006 | 676 | Nekemte | Mean = 16 years | 93.6% | 57.2% (Early sexual initiation) | Not clearly stated |
26. | (T. A. Kassa, Luck, Birru, & Riedel-Heller, 2014) | Cross-sectional survey | June toSeptember 2012 | 426 | Addis Ababa | Mean ± SD = 20.8 ± 2.6 years | 100% | 75. 1% (Early sexual initiation) | Social desirability bias |
27. | (Tadesse & Yakob, 2015) | Community based cross-sectional study | September2011 | 711 | Tiss Abay | Mean ± SD = 21.54 ± 3.84 years Range = 15–29 years | 95.9% | 70.3% RSB | Not clearly stated |
28. | (Teferra, Erena, & Kebede, 2015) | Institutional based cross sectional study | March 1 -may30 2013 | 302 | MadawalabuUniversity | Range = 15–34 | 93.2% | 33.6%(having multiple sexual partners) | Not clearly stated |
29. | (Teshome & Gedif, 2013) | Institutional based cross-sectional study design | November to December 2010 | 2551 | Addis Ababa | Mean ± SD = 16.93 ± 1.35 yearsRange = 14–25 years | 92.4%) | 52.5% RSB | Not clearly stated |
30. | (Tiruneh, Wasie, & Gonzalez, 2015) | Community-based cross-sectional study | July 8–18, 2013 | 756 | Metema District | Median age 22 years and IQR = 20–25 | 100% | 74% RSB | Social desirability responding cannot be ruled out |
31. | (Tura, Alemseged, & Dejene, 2012) | Institutional based cross-sectional study | November 2009 | 1010 | Jimma University | Mean ± SD = 17.7 ± 2.7 years | 80% | 28.3%(having multiple sexual partners) | Social desirability bias might result under reported |