Multivariable analysis of factors associated with CT and/or NG infection among MSM
| Covariate | CT/NG+ (n=376) | CT/NG− (n=2170) | Unadjusted OR (95% CI) | Adjusted OR* (95% CI) | Adjusted p value |
| Year, n (%) | |||||
| 2019 | 207 (13.32) | 1347 (86.68) | 1.00 (reference) | 1.00 (reference) | |
| 2021 | 169 (17.04) | 823 (82.96) | 1.34 (1.07 to 1.67) | 1.42 (1.13 to 1.79) | 0.003† |
| Venue, n (%) | |||||
| No new sex partners in the past 3 months | 72 (10.78) | 596 (89.22) | 1.00 (reference) | 1.00 (reference) | |
| In-person venues‡ | 58 (13.49) | 372 (86.51) | 1.29 (0.89 to 1.87) | 1.59 (0.87 to 2.89) | 0.13 |
| Online venues§ | 246 (16.99) | 1202 (83.01) | 1.69 (1.29 to 2.26) | 2.32 (1.51 to 3.65) | <0.001† |
| Age, mean (SD) | 32.66 (10.19) | 35.94 (11.74) | 0.97 (0.96 to 0.98) | 0.97 (0.96 to 0.98) | <0.001† |
| Race, n (%) | |||||
| White | 256 (13.95) | 1579 (86.05) | 1.00 (reference) | 1.00 (reference) | |
| American Indian/Alaskan Native | 6 (18.18) | 27 (81.82) | 1.37 (0.51 to 3.14) | 1.01 (0.36 to 2.42) | 0.99 |
| Asian | 37 (15.04) | 209 (84.96) | 1.09 (0.74 to 1.57) | 1.13 (0.75 to 1.66) | 0.56 |
| Pacific Islander/Native Hawaiian | 3 (10.00) | 27 (90.00) | 0.69 (0.16 to 1.96) | 0.79 (0.18 to 2.31) | 0.70 |
| Black/African-American | 33 (18.03) | 150 (81.97) | 1.36 (0.90 to 2.00) | 1.32 (0.86 to 1.99) | 0.19 |
| Other | 14 (16.67) | 70 (83.33) | 1.08 (0.44 to 2.29) | 1.08 (0.56 to 1.93) | 0.81 |
| Multiracial | 20 (22.73) | 68 (77.27) | 1.81 (1.06 to 2.98) | 1.80 (1.03 to 3.02) | 0.03† |
| Did not report | 7 (14.89) | 40 (85.11) | 1.23 (0.66 to 2.16) | 1.21 (0.48 to 2.65) | 0.66 |
| Ethnicity, n (%) | |||||
| Not Latino/Hispanic | 226 (14.16) | 1370 (85.84) | 1.00 (reference) | 1.00 (reference) | |
| Latino/Hispanic | 150 (15.91) | 793 (84.09) | 1.15 (0.92 to 1.43) | 1.16 (0.90 to 1.50) | 0.25 |
| Sex partners, mean (SD) | 6.09 (6.67) | 4.38 (5.53) | 1.04 (1.02 to 1.06) | 1.33 (1.16 to 1.55) | <0.001† |
| Drug use, n (%) | |||||
| No | 298 (13.82) | 1859 (86.18) | 1.00 (reference) | 1.00 (reference) | |
| Yes | 78 (20.05) | 311 (79.95) | 1.56 (1.18 to 2.05) | 1.26 (0.94 to 1.68) | 0.12 |
| PrEP use, n (%) | |||||
| No | 272 (13.82) | 1810 (86.18) | 1.00 (reference) | 1.00 (reference) | |
| Yes | 104 (20.05) | 358 (79.95) | 1.93 (1.50 to 2.48) | 1.77 (1.35 to 2.30) | <0.001† |
| Interaction between venue and number of sex partners, n (%) | |||||
| No new sex partners in the past 3 months | – | – | – | 1.00 (reference) | |
| In-person venues‡ | – | – | – | 0.82 (0.69 to 0.97) | 0.02† |
| Online venues§ | – | – | – | 0.77 (0.66 to 0.89) | <0.001† |
*Adjusted for year of clinic visit, venue, age, race, ethnicity, number of sex partners, PrEP use and drug use.
†Statistically significant at the 0.05 level.
‡Includes only in-person venues (community venues and social network).
§Includes only online venues and online or in-person venues.
CT, Chlamydia trachomatis; MSM, men who have sex with men; NG, Neisseria gonorrhoeae; PrEP, pre-exposure prophylaxis.