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. Author manuscript; available in PMC: 2018 Feb 23.
Published in final edited form as: AIDS Behav. 2017 Dec;21(12):3366–3430. doi: 10.1007/s10461-017-1965-5

Table V.

Type of Study Design Employed in Structural Interventions in HIV Prevention (k = 213)

Type of Study Design Frequency %
Before/After, one group 61 29%
Before/After, cross-sectional 60 28%
Cluster RCT 20 9%
Quasi-Experimental 19 9%
Cluster Quasi-Experimental 14 7%
Serial Cross-Sectional 14 7%
RCT 12 6%
Retrospective Cohort 10 5%
Prospective Cohort 8 4%
After Only, two groups 7 3%
Time Series 6 3%
Othera 2 0.9%

Note. Totals exceed 100 because of multiple response.

RCT: Randomized control trial

a

Other includes alternating comparison trial, after-only four group comparison