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Table 2 Study rigour

From: Linking sexual and reproductive health and HIV interventions: a systematic review

Study

Study design includes pre-post intervention data

Study design includes control or comparison group

Study design includes cohort

Comparison groups equivalent at baseline on socio-demographics

Comparison groups equivalent at baseline on outcome measures

Random assignment (group or individual) to the intervention

Participants randomly selected for assessment

Control for potential confounders

Follow-up rate ≥ 75%

Total rigour score (min score = 1; max score = 9)

Allen, Serufilira, 1992 [22]

Yes

No

Yes

N/A

N/A

No

Yes

N/A

Yes

4

Allen, 1993 [23]

Yes

No

Yes

N/A

N/A

No

Yes

No

Yes

4

Allen, Tice, 1992 [24]

Yes

No

Yes

N/A

N/A

No

No

N/A

Yes

3

Anderson, 2004 [25]

Yes

No

No

No

N/A

No

No

Yes

N/A

2

Bentley, 1998 [26]

Yes

No

Yes

N/A

N/A

No

No

N/A

Yes

3

Bhave, 1995 [27]

Yes

Yes

Yes

Yes

Yes

No

No

No

Yes

6

Cartoux, 1999 [28]

No

Yes

No

N/A

N/A

No

No

No

N/A

1

Chamot, 1999 [29]

Yes

Yes

Yes

NR

N/A

No

No

Yes

Yes

5

Chandisarewa, 2007 [30]

Yes

Yes

No

N/A

N/A

No

No

No

N/A

2

Clark, 1998 [31]

Yes

No

Yes

N/A

N/A

No

Yes

No

Yes

4

Creanga, 2007 [32]

No

Yes

No

N/A

N/A

No

No

Yes

N/A

2

Coyne, 2007 [33]

Yes

Yes

No

N/A

N/A

No

No

No

N/A

2

Farquhar, 2004 [34]

Yes

Yes

Yes

No

Yes

No

No

Yes

No

5

Ghys, 2002 [35]

Yes

No

No

N/A

N/A

No

No

Yes

N/A

2

Hamlyn, 2007 [36]

Yes

Yes

No

No

N/A

No

No

No

N/A

2

Jones, 2004 [37]

Yes

Yes

Yes

Yes

Yes

Yes

No

No

Yes

7

Jones, 2006 [38]

Yes

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

8

Khoshnood, 2006 [39]

Yes

Yes

Yes

No

NR

No

No

Yes

Yes

5

Kiarie, 2006 [40]

Yes

No

Yes

N/A

N/A

No

No

No

Yes

3

King, 1995 [41]

Yes

No

Yes

N/A

N/A

No

No

N/A

Yes

3

Kissinger, 1995 [42]

Yes

Yes

Yes

No

Yes

No

No

Yes

Yes

6

McCarthy, 1992 [43]

No

Yes

No

N/A

N/A

No

No

No

N/A

1

Peck, 2003 [44]

Yes

No

No

N/A

N/A

No

No

No

N/A

1

Rasch, 2006 [45]

No

Yes

No

NR

N/A

No

No

Yes

N/A

2

Richardson, 2004 [46]

Yes

Yes

Yes

No

No

Yes

No

Yes

No

5

Semrau, 2005 [47]

No

Yes

No

N/A

N/A

No

No

No

N/A

1

Sherr, 2007 [48]

Yes

Yes

Yes

NR

NR

No

No

Yes

No

4

Simpson, 1998 [49]

No

Yes

No

Yes

N/A

Yes

No

No

N/A

3

Sirivongrangson, 2006 [50]

No

Yes

No

N/A

N/A

No

No

N/A

N/A

1

Stringer, 2007 [51]

Yes

Yes

Yes

Yes

NR

Yes

No

No

No

5

Stringer, 2001 [52]

Yes

Yes

No

No

N/A

No

No

Yes

N/A

3

Stringer, 2003 [53]

No

Yes

No

Yes

N/A

Yes

No

No

Yes

4

Van't Hoog, 2005 [54]

Yes

No

No

N/A

N/A

No

No

No

N/A

1

Wingood, 2004 [55]

Yes

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

8

Xu, 2002 [56]

Yes

No

Yes

N/A

N/A

No

No

N/A

Yes

3

  1. N/A: not applicable; NR: not reported