Rates of HIV testing and unadjusted rate ratios for exposures measured in each subgroup
| No of men (n) | No of men (%) | No of HIV tests | Person/years | Rate of HIV testing | Unadjusted rate ratio (95% CI)* | |
|---|---|---|---|---|---|---|
| Subgroup 1 (n=1127) completed month 7 (incl. ‘I Did It’ measures) | ||||||
| ‘I Did It’ press advertisement | p=0.03 | |||||
| Not seen advertisement | 1036 | 91.9 | 1044 | 874.8 | 1.19 | Ref |
| Recognised, or had seen and read, advertisement | 86 | 7.6 | 125 | 74.9 | 1.67 | 1.37 (1.03 to 1.81) |
| Missing | 5 | 0.5 | 9 | 3.3 | 2.73 | – |
| Subgroup 2 (n=887). Also completed month 1 (incl. sexual partners and prepanel HIV testing) | ||||||
| Lifetime sexual partners | p=0.09 | |||||
| ≤20 | 193 | 21.8 | 177 | 172.5 | 1.03 | Ref |
| 21–50 | 171 | 19.3 | 171 | 150.5 | 1.14 | 1.08 (0.81 to 1.44) |
| 51–100 | 141 | 15.9 | 157 | 125.6 | 1.25 | 1.21 (0.90 to 1.62) |
| 101–250 | 130 | 14.7 | 166 | 113.6 | 1.46 | 1.41 (1.04 to 1.90) |
| 251–500 | 119 | 13.4 | 136 | 107.7 | 1.26 | 1.22 (0.89 to 1.66) |
| 500+ | 128 | 14.4 | 175 | 114.7 | 1.52 | 1.48 (1.10 to 1.99) |
| Missing | 5 | 0.6 | 7 | 4.9 | 1.42 | – |
| Monthly average casual sexual partners | p<0.0001 | |||||
| <1 | 291 | 32.8 | 199 | 259.0 | 0.77 | Ref |
| 1–2 | 360 | 40.6 | 410 | 320.1 | 1.28 | 1.67 (1.34 to 2.07) |
| >2 | 236 | 26.6 | 380 | 210.3 | 1.81 | 2.32 (1.85 to 2.92) |
| Missing | 0 | 0 | 0 | 0 | 0 | – |
| Last HIV test before survey enrolment | p<0.0001 | |||||
| Never tested | 158 | 17.8 | 58 | 156.8 | 0.37 | Ref |
| >12 months before enrolment | 232 | 26.2 | 109 | 198.4 | 0.55 | 1.48 (1.06 to 2.07) |
| 6–12 months before enrolment | 122 | 13.8 | 126 | 109.4 | 1.15 | 3.12 (2.24 to 4.35) |
| 1–6 months before enrolment | 263 | 29.7 | 370 | 225.7 | 1.64 | 4.42 (3.30 to 5.92) |
| <1 month before enrolment | 109 | 12.3 | 323 | 97.0 | 3.33 | 9.01 (6.65 to 12.20) |
| Missing | 3 | 0.3 | 3 | 1.9 | 1.57 | – |
| Subgroup 3 (n=719). Also completed month 13 (incl. ‘Clever Dick’ and ‘Count Me In’ measures) | ||||||
| ‘Clever Dick/Smart Arse’ press advertisements | p=0.11 | |||||
| No awareness of advertisements | 473 | 65.8 | 531 | 446.6 | 1.19 | Ref |
| Any awareness of advertisements | 246 | 34.2 | 329 | 233.7 | 1.41 | 1.18 (0.96 to 1.44) |
| ‘Count Me In’ intervention | p=0.0006 | |||||
| No awareness of intervention | 500 | 69.5 | 532 | 475.8 | 1.12 | Ref |
| Any awareness of intervention | 219 | 30.5 | 328 | 204.5 | 1.60 | 1.43 (1.17 to 1.75) |
| Time period of testing | p=0.21 | |||||
| 1 January 2011—30 April 2011 | 719 | 100.0 | 283 | 223.1 | 1.27 | Ref |
| 1 May 2011—30 September 2011 | 719 | 100.0 | 274 | 236.1 | 1.16 | 0.93 (0.79 to 1.10 |
| 1 October 2011—31 January 2013 | 719 | 100.0 | 303 | 211.1 | 1.37 | 1.08 (0.92 to 1.27) |
*Population excludes those with missing data within each exposure.