Table 2.
Highest level of sexual risk among MSM of known HIV status participating in the 2003 and 2006 random digit dial studies, Seattle, Washington
| 2003 RDD | 2006 RDD | Adjusted OR (95% CI)a | χ2 | P-value | |
|---|---|---|---|---|---|
| No sex, n (%) | |||||
| HIV-positive men | 9/53 (17) | 14/50 (28) | 4.2 (1.1, 15.8) | 4.62 | 0.03 |
| HIV-negative men | 64/306 (20.9) | 86/317 (27.1) | 1.2 (0.8, 1.8) | 0.75 | 0.39 |
| All men | 73/359 (20.3) | 100/367 (27.3) | 1.3 (0.9, 2.0) | 2.03 | 0.15 |
| No anal sex, n (%) | |||||
| HIV-positive men | 7/53 (13) | 4/50 (8) | 0.6 (0.1, 2.2) | 0.73 | 0.39 |
| HIV-negative men | 53/306 (17.3) | 59/317 (18.6) | 0.9 (0.6, 1.3) | 0.46 | 0.50 |
| All men | 60/359 (16.7) | 63/367 (17.2) | 0.8 (0.5, 1.3) | 0.84 | 0.36 |
| Only protected anal sex, n (%) | |||||
| HIV-positive men | 11/53 (21) | 6/50 (12) | 0.3 (0.1, 1.1) | 3.20 | 0.07 |
| HIV-negative men | 75/306 (24.5) | 74/317 (23.3) | 1.0 (0.7, 1.5) | 0.01 | 0.93 |
| All men | 86/359 (24.0) | 80/367 (21.8) | 0.9 (0.6, 1.3) | 0.20 | 0.66 |
| Concordant unprotected anal sex, n (%) | |||||
| HIV-positive men | 8/53 (15) | 15/50 (30) | 2.1 (0.8, 5.9) | 2.14 | 0.14 |
| HIV-negative men | 79/306 (25.8) | 74/317 (23.3) | 1.1 (0.8, 1.7) | 0.29 | 0.59 |
| All men | 87/359 (24.2) | 89/367 (24.3) | 1.2 (0.8, 1.8) | 1.01 | 0.32 |
| Non-concordant unprotected anal sex, risk to insertive partner, n (%) | |||||
| HIV-positive men | 7/53 (13) | 8/50 (16) | 1.5 (0.4, 5.0) | 0.39 | 0.53 |
| HIV-negative men | 13/306 (4.3) | 11/317 (3.5) | 1.0 (0.4, 2.3) | 0.01 | 0.91 |
| All men | 20/359 (5.6) | 19/367 (5.2) | 1.1 (0.6, 2.2) | 0.14 | 0.71 |
| Non-concordant unprotected anal sex, risk to receptive partner, n (%) | |||||
| HIV-positive men | 9/53 (17) | 3/50 (6) | 0.2 (0.1, 1.1) | 3.24 | 0.07 |
| HIV-negative men | 21/306 (6.9) | 11/317 (3.5) | 0.6 (0.3, 1.3) | 1.58 | 0.20 |
| All men | 30/359 (8.4) | 14/367 (3.8) | 0.5 (0.3, 1.0) | 3.66 | 0.06 |
| Any non-concordant unprotected anal sex, n (%)b | |||||
| HIV-positive men | 17/53 (32) | 11/50 (22) | 0.7 (0.3, 2.0) | 0.39 | 0.53 |
| HIV-negative men | 34/306 (11.1) | 22/317 (6.9) | 0.7 (0.4, 1.3) | 1.17 | 0.28 |
| All men | 50/359 (13.9) | 33/367 (9.0) | 0.7 (0.5, 1.2) | 1.41 | 0.23 |
| Missing, n (%) | |||||
| HIV-positive men | 1/53 (2) | 0/50 (0) | Not estimable | – | – |
| HIV-negative men | 1/306 (0.3) | 2/317 (0.6) | 2.4 (0.2, 29.2) | 0.50 | 0.48 |
| All men | 2/359 (0.6) | 2/367 (0.5) | 1.1 (0.1, 8.2) | 0.01 | 0.94 |
RDD random digit dial, OR odds ratio, CI confidence interval
a
Adjusted for health insurance status, income, age, and years living in Seattle
b
Includes men who report either non-concordant unprotected anal sex, risk to the insertive partner or non-concordant unprotected anal sex, risk to the receptive psartner, and one man who reported non-concordant unprotected anal sex but did not indicate whether he was the receptive or insertive partner