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Table 2 Result of individual variable meta-regression models for each stratified meta-analysis

From: What is the potential for bisexual men in China to act as a bridge of HIV transmission to the female population? Behavioural evidence from a systematic review and meta-analysis

 

Stratified meta-analyses

Study Characteristic

Marital Status of MSM

Had female partners

in last six months

Condom use

at last sex act

Consistent condom use

in last six months

 

Pool estimate %

(95% CI), n

Meta-regression

(β, p -value)

Pool estimate %

(95% CI), n

Meta-regression

(β, p -value)

Pool estimate %

(95% CI), n

Meta-regression

(β, p -value)

Pool estimate %

(95% CI), n

Meta-regression

(β, p -value)

Language of article:

        

   Chinese

16.4 (13.9-19.3), n = 29

0.187

25.8 (21.7-30.4), n = 30

0.058

45.4 (37.5-53.6), n = 9

-0.282

26.9 (23.8-30.2), n = 13

0.009

   English

18.2 (15.2-21.5), n = 13

p = 0.312

26.8 (24.2-29.5), n = 16

p = 0.686

33.6 (29.0-38.6), n = 3

p = 0.058

23.4 (19.1-28.4), n = 5

p = 0.960

Sample size:

        

   < 200

19.8 (13.1-28.9), n = 10

-0.335

25.9 (19.8-33.2), n = 10

-0.056

45.4 (37.5-53.6), n = 9

 

28.6 (24.7-32.8), n = 11

-0.313

   ≥ 200

16.3 (14.3-18.4), n = 32

p = 0.090

26.3 (23.4-29.5), n = 36

p = 0.730

33.6 (29.0-38.6), n = 3

-

23.2 (20.4-26.3), n = 7

p = 0.139

Recruitment method:

        

   MSM venues

18.7 (16.6-21.0), n = 30

 

28.6 (25.5-32.0), n = 33

 

38.4 (32.8-44.3), n = 9

 

25.1 (22.5-27.9), n = 15

 

   Non MSM venues

12.6 (8.6-18.1), n = 10

-0.203

21.1 (16.2-26.9), n = 11

-0.139

59.4 (47.4-70.3), n = 3

0.368

34.2 (23.6-46.6), n = 3

0.107

   Not reported

13.5 (8.4-21.0), n = 2

p = 0.035

16.8 (12.9-21.6), n = 2

p = 0.059

-

p = 0.068

-

p = 0.679

Sampling method:

        

   RDS/snowball

17.2 (14.5-20.2), n = 17

 

25.7 (21.7-30.3), n = 21

 

45.9 (36.4-55.7), n = 4

 

25.8 (21.8-30.4), n = 8

 

   Other methods

21.7 (18.1-25.8), n = 8

0.013

26.5 (22.9-30.3), n = 5

0.009

37.0 (27.4-47.7), n = 3

0.122

27.5 (19.7-36.9), n = 2

0.089

   Not reported

14.6 (11.1-19.0), n = 17

p = 0.886

26.6 (22.5-31.1), n = 20

p = 0.899

41.6 (28.6-55.9), n = 5

p = 0.128

24.9 (21.8-28.4), n = 8

p = 0.268

Time period:

        

   2000-2004

16.8 (12.2-22.9), n = 5

0.023

32.6 (27.0-38.7), n = 9

-0.236

-

-

24.1 (21.4-27.1), n = 4

0.093

   2005-2009

17.1 (15.0-19.3), n = 37

p = 0.922

24.9 (22.1-27.9), n = 37

p = 0.134

41.4 (35.5-47.5), n = 12

 

26.1 (22.8-29.7), n = 14

p = 0.535

  1. Table showing the pool estimate (%), 95% confidence interval (CI), number of studies (n), meta-regression coefficient (β) and significance of β (p-value). p-values in bold print represent significant associations (p < 0.10).
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BMC Infectious Diseases

ISSN: 1471-2334

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