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Table 2 Example of a completed Evidence Project risk of bias tool from a review of interventions to increase HIV serostatus disclosure in low- and middle-income countries [16]

From: The Evidence Project risk of bias tool: assessing study rigor for both randomized and non-randomized intervention studies

Study Cohort Control or comparison group Pre/post intervention data Random assignment of participants to the intervention Random selection of participants for assessment Follow-up rate of 80% or more Comparison groups equivalent on sociodemographics Comparison groups equivalent at baseline on disclosure
Cognitive-behavioral support groups
 Futterman et al. Yes Yes Yes No No No No Yes1
 Jones et al. Yes Yes Yes Yes No Yes No No1
 Kaaya et al. Yes Yes Yes Yes No No Yes NR
 Mundell et al. Yes Yes Yes No No No No No
 Sarnquist et al. Yes Yes Yes No No Yes Yes Yes
 Snyder et al. Yes No Yes NA No No NA NA
 Wouters et al. Yes Yes No No Yes Yes NR NR
Home-based or peer/community health workers
 MacNeil et al. Yes Yes Yes Yes No Yes Yes Yes
 Ncama No Yes No No Partial2 NA No NA
 Rochat et al. Yes No Yes NA No Yes NA NA
 Rochat et al. Yes No Yes NA No Yes NA NA
 Wouters et al. See above
 Zuyderduin et al. Yes Yes Yes No No Yes Yes NR3
Partner notification
 Brown et al. No Yes No Yes No NA NR Yes4
 Henley et al. No Yes No No No NA NR NA
  1. NR not reported, NA not applicable
  2. 1Calculated from additional data provided by authors
  3. 2Intervention group randomly selected, control group non-randomly selected
  4. 3Not calculable based on data provided in the article
  5. 4All participants were newly diagnosed, so presumably none had disclosed prior to the intervention