Table 6 Measures of effect of primary outcomes

Downing, 2013 [24]

SMS reminder for re-testing vs standard advice only

Re-testing for Chlamydia

4.5*

1.05–19.22

Downing, 2013 [24]

SMS reminder for re-testing and financial incentive for re-testing vs standard advice only

Re-testing for Chlamydia

4.27*

0.98–18.51

Odeny 2012 [25]

Educational and reminder SMS messages to promote men who have been circumcised to return for a post-operative visit 7 days

Failure to return for post-operative visit

0.86*

0.74–1.00

Shahkolahi 2013 [23]

Use of video, mobile application and paper based intervention for HIV testing

Rapid HIV testing in the Emergency Department

-^a

-^a