TABLE 4—
Multinomial and Multivariate Logistic Regression, Comparing Characteristics Associated With Type of Sexual Risk Among Men Who Have Sex With Men: United States, 2008
| Characteristic | 2–3 Partners per Encounter,a AOR (95% CI) | ≥ 4 Partners per Encounter,b AOR (95% CI) | ≥ 4 Partners per Encounter,c AOR (95% CI) |
| Age ≥ 50 y | 0.93 (0.78, 1.12) | 0.78 (0.62, 0.99) | 0.85 (0.65, 1.09) |
| College degree or more | 1.15 (0.99, 1.33) | 1.11 (0.93, 1.33) | 0.98 (0.79, 1.19) |
| HIV status | |||
| HIV-negative | 1.80 (1.29, 2.52) | 2.17 (1.38, 3.41) | 1.27 (0.75, 2.16) |
| HIV-positive | 2.92 (2.04, 4.19) | 5.60 (3.51, 8.95) | 2.09 (1.22, 3.59) |
| Untested (Ref) | 1.00 | 1.00 | 1.00 |
| Any STI (past 60 d)d | 1.13 (0.93, 1.37) | 1.45 (1.16, 1.80) | 1.28 (1.00, 1.63) |
| City size of residencee | |||
| Rural | 0.91 (0.75, 1.11) | 0.82 (0.64, 1.04) | 0.93 (0.71, 1.22) |
| Suburban | 0.87 (0.71, 1.07) | 0.76 (0.59, 0.98) | 0.90 (0.68, 1.19) |
| Urban | 0.95 (0.79, 1.15) | 0.74 (0.59, 0.93) | 0.79 (0.61, 1.02) |
| Big city (Ref) | 1.00 | 1.00 | 1.00 |
| Psychosocial problems,f No. | |||
| 0 (Ref) | 1.00 | 1.00 | 1.00 |
| 1 | 1.12 (0.96, 1.31) | 1.38 (1.12, 1.69) | 1.26 (1.01, 1.58) |
| 2 | 1.08 (0.88, 1.34) | 1.99 (1.56, 2.55) | 1.89 (1.43, 2.49) |
| 3 | 1.30 (0.96, 1.78) | 2.42 (1.73, 3.38) | 1.84 (1.27, 2.67) |
| One-on-one sexual encounters (past 60 d) | |||
| Met partner(s) online | 0.97 (0.79, 1.18) | 0.85 (0.67, 1.09) | 0.85 (0.64, 1.13) |
| Main sexual partner involved | 0.69 (0.59, 0.79) | 0.63 (0.52, 0.76) | 0.93 (0.76, 1.14) |
| 3 one-on-one encounters | 2.53 (2.12, 3.01) | 3.80 (2.96, 4.89) | 1.49 (1.11, 1.99) |
| Any serodiscordant CAS | 1.05 (0.89, 1.24) | 1.54 (1.27, 1.87) | 1.49 (1.21, 1.85) |
Note. AOR = adjusted odds ratio; CAS = condomless anal sex; CI = confidence interval; STI = sexually transmitted infection.
Sex with 2–3 sexual partners in an encounter, past 60 days; reference group is up to 3 one-on-one encounters with sexual partners, past 60 days.
Sex with 4 or more sexual partners in an encounter, past 60 days; reference group is up to 3 one-on-one encounters with sexual partners, past 60 days.
Sex with 4 or more sexual partners in an encounter, past 60 days; reference group is sex with 2–3 sexual partners in an encounter, past 60 days.
Any STIs diagnosed by a nurse or physician in the past 60 days, including chancroid, chlamydia, gonorrhea, herpes, human papillomavirus, lymphogranuloma venereum, nongonococcal urethritis, syphilis, and hepatitis A, B, or C.
Rural = up to 49 999; suburban = 50 000–249 999; urban = 250 000–1 million; big city = more than 1 million residents.
Includes 2-item screener for depressive symptoms in the past 14 days; affirmative answer to the question “Have you ever spent at least 1 night in jail or prison?”; use of 3 or more recreational drugs, past 60 days; and first drink, aged 14 years or younger compared with those aged 15 years or older.