Comparison 5. Contract referral versus simple patient referral.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Number of partners elicited	5	2006	Mean Difference (IV, Random, 95% CI)	‐0.22 [‐0.37, ‐0.06]
2 Number of partners notified	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
3 Number of partners presenting for care	3	1610	Mean Difference (IV, Random, 95% CI)	0.25 [0.18, 0.32]
4 Number of partners testing positive	4	1684	Mean Difference (IV, Random, 95% CI)	0.13 [0.07, 0.18]
5 Number of partners treated	2		Mean Difference (IV, Random, 95% CI)	Totals not selected
6 Number of harmful events reported	1		Mean Difference (IV, Random, 95% CI)	Totals not selected