Table 3.
Association of socio-demographic and HIV-related factors with non-disclosure to a stable partner (n = 1637)
| MSM (n = 1110) | Heterosexual men and women (n = 527) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n not disclosed/N | % | Unadjusted PR [95 % CI] | p-value◊ | Adjusted PR‡ [95 % CI] | p-value◊ | n not disclosed/N | % | Unadjusted PR [95 % CI] | p-value◊ | Adjusted PR [95 % CI] | p-value◊ | |
| Gender (N = 1637) | ||||||||||||
| Woman | – | – | 38/292 | 13.0 | 1.0 | 1.0 | ||||||
| Man | 25/229 | 10.9 | 0.9 [0.6, 1.3] | 0.468 | 1.2 [0.7, 2.0] | 0.491 | ||||||
| Age, years (N = 1604) | ||||||||||||
| <50 | 38/776 | 4.9 | 1.0 | 1.0 | 51/392 | 13.0 | 1.0 | 1.0 | ||||
| ≥50 | 15/326 | 4.6 | 1.0 [0.6, 1.8] | 0.998 (t) | 1.2 [0.6, 2.2] | 0.578 (t) | 12/109 | 11.0 | 1.1 [0.4, 3.3] | 0.744(t) | 1.4 [0.5, 4.4] | 0.547(t) |
| Ethnicity (N = 1627) | ||||||||||||
| White | 40/983 | 4.1 | 1.0 | 1.0 | 12/142 | 8.5 | 1.0 | 1.0 | ||||
| All other (black, Asian, mixed, other, missing) | 11/116 | 9.5 | 2.3 [1.2, 4.3] | 0.011 | 2.3 [1.2, 4.3] | 0.012 | 53/385 | 13.8 | 1.6 [0.9, 2.9] | 0.136 | 1.4 [0.7, 2.8] | 0.282 |
| Years since HIV diagnosis (N = 1624) | ||||||||||||
| ≤2 | 10/112 | 8.9 | 2.5 [1.2, 5.1] | 2.0 [0.9, 4.5] | 10/67 | 14.9 | 1.5 [0.7, 3.2] | 1.4 [0.6, 3.2] | ||||
| 3–10 | 25/450 | 5.6 | 1.5 [0.8, 2.6] | 1.4 [0.7, 2.6] | 36/276 | 13.0 | 1.4 [0.8, 2.4] | 1.1 [0.6, 2.0] | ||||
| >10 | 17/540 | 3.1 | 1.0 | 0.020 (t) | 1.0 | 0.090 (t) | 18/177 | 10.2 | 1.0 | 0.184(t) | 1.0 | 0.494t) |
| ART status (N = 1,622) | ||||||||||||
| On ART | 14/157 | 8.9 | 1.0 | 1.0 | 9/52 | 17.3 | 1.0 | 1.0 | ||||
| Not on ART | 40/949 | 4.2 | 2.1 [1.2, 3.8] | 0.012 | 1.7 [0.9, 3.4] | 0.099 | 53/464 | 11.4 | 1.4 [0.7, 2.8] | 0.353 | 1.2 [0.5, 2.6] | 0.655 |
| Stable partner’s HIV serostatus (N = 1596) | ||||||||||||
| HIV-positive | 17/468 | 3.6 | 1.0 | 1.0 | 27/208 | 13.0 | 1.0 | 1.0 | ||||
| HIV-negative | 28/581 | 4.8 | 1.3 [0.7, 2.4] | 1.2 [0.6, 2.1] | 21/266 | 7.9 | 0.6 [0.4, 1.1] | 0.6 [0.3, 1.0] | ||||
| Unknown HIV status | 6/37 | 16.2 | 4.5 [1.9, 10.6] | 0.003 | 5.1 [2.1, 12.2] | <0.001 | 13/36 | 36.1 | 2.6 [1.4, 4.6] | <0.001 | 2.4 [1.3, 4.4] | <0.001 |
| Years in current stable relationship (N = 1576) | ||||||||||||
| ≤2 | 10/213 | 4.7 | 1.0 | 1.0 | 18/91 | 19.8 | 1.0 | 1.0 | ||||
| 3–5 | 13/226 | 5.8 | 1.2 [0.5, 2.7] | 1.2 [0.5, 2.9] | 11/105 | 10.5 | 0.6 [0.3, 1.1] | 0.5 [0.2,1.0] | ||||
| ≥6 | 26/637 | 4.1 | 0.9 [0.4, 1.8] | 0.530 (t) | 1.3 [0.6, 2.8] | 0.498 (t) | 31/304 | 10.2 | 0.5 [0.3, 0.8] | 0.016(t) | 0.5 [0.3, 0.9] | 0.063(t) |
| Cohabitation with stable partner (N = 1630) | ||||||||||||
| No | 12/276 | 4.3 | 1.0 | 1.0 | 31/179 | 17.3 | 1.0 | 1.0 | ||||
| Yes | 41/833 | 4.9 | 1.5 [0.8, 2.9] | 0.208 | 1.2 [0.7, 2.3] | 0.526 | 32/342 | 9.4 | 0.6 [0.3, 0.9] | 0.010 | 0.6 [0.4, 0.9] | 0.028 |
PR prevalence ratio, CI confidence interval
◊ global p-values by Wald test; (t) test for trend; adjusted PRs by separate modified Poisson regression models with adjustment for age group, ethnicity, time since HIV diagnosis, ART status, clinic, (and gender in heterosexual analysis only)