Table. Characteristics of HIV-Negative MSM Using and Sharing PrEP Medication in a Diverse Sample From 3 US Cities, 2018.
| Characteristic | Total No. (%) | PrEP users | PrEP users who share medication | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No. (%) | χ2 P valuea | aOR (95% CI) | aOR P value | No. (%) | χ2 P valuea | aOR (95% CI) | aOR P value | ||
| Overall | 755 (100) | 243 (32.2) | NA | NA | 26 (10.7) | NA | NA | ||
| Race/ethnicity | |||||||||
| Latino/Hispanic | 95 (12.6) | 28 (29.5) | .13 | 1.33 (0.85-2.10) | .21 | 5 (17.9) | .29 | 0.27 (0.07-1.09) | .07 |
| Black/African American | 146 (19.3) | 38 (26.0) | 0.80 (0.51-1.25) | .33 | 2 (5.4) | 0.34 (0.07-1.66) | .18 | ||
| Other/mixed | 115 (15.2) | 45 (33.1) | 0.74 (0.45-1.23) | .25 | 3 (6.7) | 1.23 (0.37-4.11) | .73 | ||
| White | 399 (52.9) | 132 (39.1) | 1 [Reference] | NA | 16 (12.1) | 1 [Reference] | NA | ||
| Age group, y | |||||||||
| 18-29 | 341 (45.2) | 103 (30.2) | .04 | 1.28 (0.84-1.93) | .25 | 12 (11.8) | .03 | 12.19 (1.43-103.86) | .02 |
| 30-39 | 231 (30.6) | 89 (38.5) | 1.70 (1.11-2.61) | .02 | 13 (14.6) | 9.78 (1.19-80.23) | .03 | ||
| ≥40 | 183 (24.2) | 51 (27.9) | 1 [Reference] | NA | 1 (2.0) | 1 [Reference] | NA | ||
| Educational level | |||||||||
| ≤Some post–high school | 262 (34.8) | 62 (23.7) | <.001 | 1 [Reference] | NA | 4 (6.6) | .01 | 1 [Reference] | NA |
| 4-Year college degree | 280 (37.2) | 96 (34.3) | 1.54 (1.04-2.29) | .03 | 4 (6.3) | 0.73 (0.19-2.86) | .65 | ||
| >4-Year college degree | 211 (28.0) | 85 (40.3) | 2.04 (1.34-3.10) | .001 | 16 (18.8) | 3.67 (1.06-12.73) | .04 | ||
| City/MSA | |||||||||
| Atlanta, Georgia | 269 (35.6) | 88 (32.7) | <.01 | 1 [Reference] | NA | 8 (9.1) | .78 | 1 [Reference] | NA |
| Detroit, Michigan | 226 (39.9) | 56 (24.8) | 0.64 (0.43-0.97) | .03 | 6 (10.7) | 0.75 (0.23-2.52) | .65 | ||
| New York City, New York | 260 (34.4) | 99 (38.1) | 1.15 (0.79-1.68) | .46 | 12 (12.2) | 1.39 (0.50-3.87) | .53 | ||
Abbreviations: aOR, adjusted odds ratio; MSA, metropolitan statistical area; MSM, men who have sex with men; NA, not applicable; PrEP, pre-exposure prophylaxis.
a
P < .05 indicated statistical significance for the χ2 test.