Table 1.
Covariates by lubrication type
| Silicone (n = 46) | Water-based (n = 45) | Oil-based (n = 21) | Spit/saliva (n = 48) | Other (n = 19) | P value | |
|---|---|---|---|---|---|---|
| Demographics | ||||||
| Age (mean ± SD) | 38 ± 12 | 34 ± 10 | 35 ± 11 | 33 ± 10 | 32 ± 13 | 0.09 |
| Male (n, %) | 42 (93) | 37 (82) | 17 (81) | 44 (92) | 18 (95) | 0.5 |
| Race | 0.1 | |||||
| Asian (n, %) | 7 (15) | 9 (20) | 2 (10) | 6 (13) | 4 (21) | |
| Black (n, %) | 1 (2) | 7 (16) | 3 (14) | 4 (9) | 3 (16) | |
| Hispanic/Latino (n, %) | 12 (26) | 13 (29) | 6 (29) | 14 (30) | 6 (32) | |
| White (n, %) | 26 (57) | 15 (33) | 10 (48) | 23 (49) | 4 (21) | |
| Other (n, %) | 0 (0) | 1 (2) | 0 (0) | 0 (0) | 2 (11) | |
| Sexual Orientation | 0.1 | |||||
| Gay/Bisexual Men (n, %) | 40 (91) | 32 (73) | 16 (80) | 38 (81) | 16 (89) | |
| Straight Men (n, %) | 1 (2) | 5 (11) | 1 (5) | 5 (11) | 1 (6) | |
| Lesbian/Bisexual Women (n, %) | 1 (2) | 0 (0) | 2 (10) | 0 (0) | 0 (0) | |
| Straight Women (n, %) | 2 (5) | 7 (16) | 1 (5) | 4 (9) | 1 (6) | |
| Medical History | ||||||
| On PrEP (n, %) | 23 (66) | 19 (49) | 7 (50) | 22 (55) | 8 (44) | 0.5 |
| HPV vaccinated (n, %) | 8 (17) | 7 (16) | 7 (33) | 10 (21) | 7 (37) | 0.2 |
| HAV vaccinated (n, %) | 39 (85) | 32 (71) | 14 (67) | 37 (77) | 14 (74) | 0.5 |
| HBV vaccinated (n, %) | 41 (89) | 37 (82) | 19 (90) | 44 (92) | 16 (84) | 0.7 |
| Reporting new symptoms as reason for visit (n, %) | 21 (46) | 21 (47) | 13 (62) | 20 (42) | 11 (58) | 0.5 |
| Sexual History | ||||||
| # of total partners (last 3 mos) (mean ± SD) | 13 ± 30 | 4 ± 4 | 11 ± 8 | 8 ± 9 | 5 ± 5 | 0.0003 |
| # of condomless receptive anal sex partners (last 3 mos) (mean ± SD) | 4 ± 5 | 2 ± 3 | 6 ± 5 | 6 ± 8 | 3 ± 7 | 0.03 |
| # of condomless insertive anal sex partners (last 3 mos) (mean ± SD) | 6 ± 7 | 2 ± 2 | 7 ± 6 | 5 ± 6 | 2 ± 2 | 0.03 |
| Used condom in last encounter (n, %) | 5 (11) | 14 (31) | 4 (19) | 5 (11) | 6 (32) | 0.04 |
| History of chlamydia ever (n, %) | 29 (63) | 24 (53) | 14 (67) | 29 (60) | 11 (58) | 0.8 |
| History of gonorrhea ever (n, %) | 33 (72) | 18 (40) | 15 (71) | 29 (60) | 7 (37) | 0.006 |
| Outcomes | ||||||
| Rectal STI diagnosed at visit (n, %) | 3 (7) | 4 (9) | 3 (14) | 9 (19) | 3 (16) | 0.4 |