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Table 3 Study characteristics (n = 157)

From: Specification of implementation interventions to address the cascade of HIV care and treatment in resource-limited settings: a systematic review

 

n (median where specified)

% (IQR where specified)

Study design

 Retrospective cohort

40

25

 Individual RCT

40

25

 Before-and-after

27

17

 Cluster RCT

23

15

 Prospective cohort

16

10

 Quasi-experimental

7

4

 Cross-sectional

2

1

 Case-control

2

1

Regiona

 Africa

138

87

 Asia

13

8

 Americas

7

4

Level of behavioral targetb

 Individuals—patients

75

62

 Individuals—community members

18

15

 Organizations

15

12

 Individuals—healthcare workers

12

10

Study reported a positive effect

 No

46

29

 Yes

111

71

Year of publication

 2004

1

1

 2005

0

0

 2006

2

1

 2007

4

3

 2008

6

4

 2009

7

4

 2010

18

11

 2011

17

11

 2012

29

18

 2013

18

11

 2014

8

5

 2015

15

10

 2016

24

15

 2017c

8

5

Sample sized (median, IQR)

955

400 to 4903

  1. aOne study included sites in both Africa and Asia
  2. bLimited to studies reporting a behavioral target (n = 120)
  3. cThrough 28 February 2017
  4. dSample size was determined by the number of individuals (patients or community members) included in the study, regardless of study design. Thus, sample size for cluster randomized controlled trials was recorded as the number of individuals, rather than the number of clusters