| |
HIV-positive |
HIV-unknown |
Univariale logistic regression (GEE) |
Multivariable logistic regression (GEE)a |
| |
(n=1087) |
(n=255) |
OR (95% CI) |
P-value |
OR (95% CI) |
P-value |
| Presentation year |
|
|
|
|
|
|
| Before 2010 |
731 (67.7%) |
196 (77.2%) |
1.0 |
|
1.0 |
|
| During 2010 |
349 (32.3%) |
58 (22.8%) |
1.6 (1.2, 2.2) |
0.003 |
1.5 (1.0, 2.3) |
0.034 |
| Age |
|
|
|
|
|
|
| mean (sd) |
38.6 (8.1) |
37.0 (9.9) |
1.0 (1.0, 1.0) |
0.023 |
1.0 (1.0, 1.0) |
0.072 |
| Ethnicity |
|
|
|
|
|
|
| White |
953 (87.7%) |
229 (89.8%) |
1.0 |
|
Not included |
|
| Black |
51 (4.7%) |
9 (3.5%) |
1.3 (0.7, 2.8) |
0.426 |
|
|
| Asian |
30 (2.8%) |
7 (2.8%) |
1.0 (0.4, 2.3) |
0.969 |
|
|
| Other |
36 (3.3%) |
7 (2.8%) |
1.2 (0.5, 2.7) |
0.650 |
|
|
| Unknown |
17 (1.6%) |
3 (1.2%) |
1.3 (0.4, 4.4) |
0.625 |
|
|
| Sexuality |
|
|
|
|
|
|
| Homosexual |
1,076 (99.0%) |
243 (95.3%) |
1.0 |
|
1.0 |
|
| Bisexual |
11 (1.0%) |
12 (4.7%) |
0.2 (0.1, 0.5) |
<0.001 |
0.2 (0.1, 0.7) |
0.008 |
| Acquisition country |
|
|
|
|
|
|
| UK |
828 (76.2%) |
198 (77.7%) |
1.0 |
|
1.0 |
|
| Abroad |
81 (7.5%) |
16 (6.3%) |
1.2 (0.7, 2.1) |
0.476 |
1.1 (0.5, 2.3) |
0.812 |
| Either |
47 (4.3%) |
13 (5.1%) |
0.9 (0.5, 1.6) |
0.651 |
0.7 (0.3, 1.7) |
0.497 |
| Unknown |
131 (12.1%) |
28 (11.0%) |
1.1 (0.7, 1.7) |
0.604 |
0.8 (0.4, 1.7) |
0.634 |
| Met sex partners in sex-on-premises venuesb |
|
|
|
|
|
|
| None reported |
277 (25.5%) |
63 (24.7%) |
1.0 |
|
1.0 |
|
| Met partners in the locations |
263 (24.2%) |
50 (19.6%) |
1.2 (0.8, 1.8) |
0.371 |
0.8 (0.4, 1.3) |
0.302 |
| Unknown |
547 (50.3%) |
142 (55.7%) |
0.9 (0.6, 1.2) |
0.449 |
0.7 (0.5, 1.1) |
0.182 |
| Number of contacts |
|
|
|
|
|
|
| median (range) |
3 (0-201) |
3 (0-213) |
1.0 (1.0, 1.0) |
0.354 |
1.0 (1.0, 1.0) |
0.134 |
| Receptive anal intercourse |
|
|
|
|
|
|
| None reported |
51 (4.7%) |
24 (9.4%) |
1.0 |
|
1.0 |
|
| Protected/or unknownc |
161 (14.8%) |
79 (31.0%) |
0.9 (0.5, 1.6) |
0.840 |
1.4 (0.6, 3.0) |
0.440 |
| Unprotected |
791 (72.8%) |
127 (49.8%) |
2.9 (1.7, 4.8) |
<0.001 |
3.1 (1.5, 6.1) |
0.002 |
| Unknown |
84 (7.7%) |
25 (9.8%) |
1.6 (0.8, 3.0) |
0.180 |
2.8 (1.0, 8.3) |
0.057 |
| Insertive anal intercourse |
|
|
|
|
|
|
| None reported |
100 (9.2%) |
25 (9.8%) |
1.0 |
|
1.0 |
|
| Protected/or unknownc |
154 (14.2%) |
65 (25.5%) |
0.6 (0.4, 1.0) |
0.056 |
0.8 (0.4, 1.6) |
0.556 |
| Unprotected |
615 (56.6%) |
106 (41.6%) |
1.5 (0.9, 2.3) |
0.117 |
1.1 (0.6, 2.1) |
0.803 |
| Unknown |
218 (20.1%) |
59 23.1 |
0.9 (0.6, 1.6) |
0.811 |
1.1 (0.5, 2.6) |
0.736 |
| Any oral sex |
|
|
|
|
|
|
| None reported |
72 (6.6%) |
28 (11.0%) |
1.0 |
|
1.0 |
|
| Reported some |
23 (2.1%) |
6 (2.4%) |
1.5 (0.6, 3.9) |
0.439 |
1.8 (0.5, 6.3) |
0.382 |
| Reported one unprotected |
30 (2.8%) |
10 (3.9%) |
1.2 (0.5, 2.7) |
0.728 |
1.1 (0.3, 3.0) |
0.976 |
| Reported both unprotected |
812 (74.7%) |
165 (64.7%) |
1.9 (1.2, 3.0) |
0.008 |
1.6 (0.7, 3.5) |
0.289 |
| Some or all unknown |
150 (13.8%) |
46 (18.0%) |
1.3 (0.7, 2.2) |
0.414 |
0.8 (0.3, 2.1) |
0.689 |
| Any fisting |
|
|
|
|
|
|
| No fisting reported |
419 (38.6%) |
114 (44.7%) |
1.0 |
|
1.0 |
|
| Some fisting reported |
52 (4.8%) |
9 (3.5%) |
1.6 (0.8, 3.2) |
0.224 |
2.1 (0.7, 6.3) |
0.170 |
| Both reported, unprotected |
71 (6.5%) |
6 (2.4%) |
3.1 (1.4,6.9) |
0.007 |
3.7 (1.0, 14.1) |
0.056 |
| Some unknown |
545 (50.1%) |
126 (49.4%) |
1.2 (0.9, 1.6) |
0.245 |
1.1 (0.7, 1.7) |
0.655 |
| Sharing sex toys |
|
|
|
|
|
|
| None reported |
412 (37.9%) |
108 (42.4%) |
1.0 |
|
Not includedd |
|
| Any reported |
77 (7.1%) |
17 (6.7% |
1.2 (0.7, 2.0) |
0.581 |
|
|
| Unknown |
598 (55.0%) |
130 (51.0%) |
1.2 (0.9, 1.6) |
0.193 |
|
|
| Vaginal intercourse |
|
|
|
|
|
|
| None reported |
798 (73.4%) |
201 (78.8%) |
1.0 |
|
Not included |
|
| Any reported |
4 (0.4%) |
2 (0.8%) |
0.5 (0.1, 2.6) |
0.415 |
|
|
| Unknown |
285 (26.2%) |
52 (20.4%) |
1.4 (1.0, 1.9) |
0.051 |
|
|
a Multivariable model adjusted also for form delay (days between presentation to the clinic and filling in the surveillance form).
b No new sex partners in these locations versus backroom, sauna, cruising ground and sex party.
c Reported the type of sex without information on protection, or reported the type of sex was protected.
d Sharing sex toys not included in the multivariate model as it was strongly correlated (covariance >0.8) with fisting variable. |
