Table 1 Comparison demographics and risk behavior at baseline. Reported by individuals with a single HIV test during the study period versus those with repeated HIV tests (those with two or more tests, and the subpopulation with five or more tests)
Risk factor/risk behavior (within 12 months prior to test) and demographics | Single testers a | Repeat testers (2 or more tests) a | P value b | Repeat tester (5 or more tests) a | P value b |
|---|---|---|---|---|---|
N | 5402 | 3202 | 814 | ||
Number of male partners (median, IQR) | 5 (3–10) | 6 (3–12) | <0.001 | 6 (4–14) | <0.001 |
10 or more male partners | 1624/5397 (30.1 %) | 1120/3197 (35.0 %) | <0.001 | 319 (39.2 %) | <0.001 |
Intercourse with females also | 594/5389 (11.0 %) | 277/3192 (8.7 %) | <0.001 | 64/813 (7.9 %) | 0.007 |
CIAI with male | 3188/5347 (59.6 %) | 1974/3170 (62.3 %) | 0.016 | 491/804 (61.1 %) | n.s. |
CRAI | 2611/5343 (48.9 %) | 1664/3167 (52.5 %) | 0.001 | 434/802 (54.1 %) | 0.003 |
CRAI and 5 or more male partners | 1544/5342 (28.9 %) | 1102/3165 (34.8 %) | <0.001 | 306/802 (38.2 %) | <0.001 |
CRAI and 10 or more male partners | 892/5342 (16.7 %) | 632/3165 (20.0 %) | <0.001 | 181/802 (22.6 %) | <0.001 |
CRAI with HIV positive | 214/5097 (4.2 %) | 121/2947 (4.1 %) | n.s. | 19/725 (2.6 %) | 0.043 |
CRAI with PWID | 56/5281 (1.1 %) | 29/3129 (0.9 %) | n.s. | 4/790 (0.5 %) | n.s. |
CRAI with sex worker | 21/5147 (0.4 %) | 9/3052 (0.3 %) | n.s. | 1/764 (0.1 %) | n.s. |
Worked as sex worker | 84/3799 (2.2 %) | 45/2004 (2.3 %) | n.s. | 8/424 (1.9 %) | n.s. |
Syphilis c | 101 (1.9 %) | 59 (1.8 %) | n.s. | 23 (2.8 %) | n.s. |
Gonorrhea c | 274 (5.1 %) | 193 (6.0 %) | n.s. | 47 (5.8 %) | n.s. |
Chlamydia c | 214 (4.0 %) | 129 (4.0 %) | n.s. | 48 (5.9 %) | 0.01 |
Any STI c | 596 (11.0 %) | 402 (12.6 %) | 0.033 | 126 (15.5 %) | <0.001 |
Methamphetamine, not injected | 363 (6.7 %) | 189 (5.9 %) | n.s. | 44 (5.4 %) | n.s. |
Non-injection stimulant drug use (i.e. methamphetamine, cocaine, poppers, GHB, ketamine, XTC) | 1316 (24.4 %) | 765 (23.9 %) | n.s. | 176 (21.6 %) | n.s. |
IDU | 77 (1.4 %) | 37 (1.2 %) | n.s. | 5 (0.6 %) | n.s. |
IDU with shared needles | 35/5378 (0.7 %) | 7/3180 (0.2 %) | 0.006 | 0 | 0.021 |
Demographic data | |||||
Age (years; median, IQR) | 33 (26–43) | 32 (26–42) | 0.011 | 32 (26–41) | n.s. |
Male | 5402 (100 %) | 3202 (100 %) | n.s. | 814 (100 %) | |
Hispanic origin | 1434/5249 (27.3 %) | 850/3105 (27.4 %) | n.s. | 203/785 (25.9 %) | n.s. |
Race | – | – | <0.001 | – | <0.001 |
Caucasian | 3513/5066 (69.3 %) | 2112/3021 (69.9 %) | n.s. | 547/783 (69.9 %) | n.s. |
African-American | 317/5066 (6.3 %) | 143/3021 (4.7 %) | 0.005 | 39/783 (5.0 %) | n.s. |
Asian | 398/5066 (7.9 %) | 195/3021 (6.5 %) | 0.022 | 52/783 (6.6 %) | n.s. |
Pacific Islander | 142/5066 (2.8 %) | 53/3021 (1.8 %) | 0.004 | 11/783 (1.4 %) | 0.030 |
Native American | 37/5066 (0.7 %) | 15/3021 (0.5 %) | n.s. | 1/783 (0.1 %) | n.s. |
Other | 659/5066 (13.0 %) | 503/3021 (16.7 %) | <0.001 | 133/783 (17.0 %) | 0.002 |