Table 2 Efficacy of the online intervention in reducing condomless anal sex among Chinese MSM, 2011 (n = 1,100)
|  | Standard referral– No (%) | Online Intervention – No (%) | Difference in proportions (%) | 95% CI (%) |
|---|---|---|---|---|
Completed-records analysis (n = 986) | ||||
 Overall condomless sex in the previous three months | 232 (47.8) | 193 (38.5) | 9.3 | (1.1, 17.5) |
Multiple imputation ITT analysis (n = 1,100) | ||||
 Overall condomless sex in the previous three months | 258 (46.9) | 209 (38.0) | 8.9 | (1.2, 16.6) |
Subgroup analysis | ||||
 Condomless sex with male regular partner/s in the previous three months | 183 (53.4) | 144 (46.9) | 6.5 | (−4.4, 17.3) |
 Condomless sex with male casual partner/s in the previous three months | 98 (38.9) | 68 (29.7) | 9.2 | (−1.3, 19.6) |