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Table 5 Risk of Bias Assessment for Pre-Post or uncontrolled studies

From: The effect of HIV educational interventions on HIV-related knowledge, condom use, and HIV incidence in sub-Saharan Africa: a systematic review and meta-analysis

Ref First Author Year Total Risk Scorea (out of 11 criteriab) % score Final Risk Level (0–25% = high risk, 26–75% = moderate risk, 76–100% = low risk)
[35] Ajuwon 2013 6 54.55 Moderate
[39] Klinger 2016 8 72.73 Moderate
[42] Leonard 2000 8 72.73 Moderate
[13] Manafa 2006 6 54.55 Moderate
[46] Miller 2008 7 63.64 Moderate
[37] Ndebele 2012 7 63.64 Moderate
[36] Srinivas 2013 5 45.45 Moderate
[44] Talbot 2013 7 63.64 Moderate
[47] Visser 2005 5 45.45 Moderate
[48] Temmerman 1990 6 54.55 Moderate
[41] Geibel 2012 7 63.64 Moderate
  1. a See Additional file 1: Table S7 for specific scores on each of the 11 criteria
  2. b One of the original tool’s criteria; “in the case of group-level interventions, adjustments made for use of individual data to determine group level effects”, was not relevant to any of the included studies, and, as recommended by the tool developers, was thus not included in the assessment