From: Trends in HIV infection surveillance data among men who have sex with men in Norway, 1995-2011
Demographic, epidemiological and other possibly associated factors | Total sample | Diagnosed in the years 2003-2011 | Diagnosed in the years 1995-2002 | Comparison of diagnosed in the years 2003-2011 vs. diagnosed in 1995-2002 | ||
---|---|---|---|---|---|---|
 | N=991 (%) | N= 713 (%) | N= 278 (%) | Crude PR* [95% CI] | Adjusted PR** [95% CI] | p for trend |
Age groups (years) | Â | Â | Â | Â | Â | Â |
16-24 | 73 (7.4) | 56 (7.8) | 17 (6.1) | ref. group | ref. group | 0.418 |
25-34 | 362 (36.5) | 266 (37.3) | 96 (34.5) | 1.0 [0.8-1.1] | 1.0 [0.9-1.1] | Â |
35-44 | 323 (32.6) | 221 (31.0) | 102 (36.7) | 0.9 [0.8-1.0] | 1.0 [0.8-1.1] | Â |
≥ 45 | 233 (23.5) | 170 (23.8) | 63 (22.7) | 0.9 [0.8-1.1] | 1.1 [1.0-1.3] |  |
Place of birth | Â | Â | Â | Â | Â | Â |
Norway | 740 (74.7) | 523 (73.3) | 217 (78.1) | ref. group | ref. group | Â |
Africa | 23 (2.3) | 18 (2.5) | 5 (1.8) | 1.1 [0.9-1.4] | 1.3 [1.0-1.6] | Â |
Asia | 64 (6.5) | 50 (7.0) | 14 (5.0) | 1.1 [1.0-1.3] | 1.2 [1.0-1.4] | Â |
Europe, other | 92 (9.3) | 71 (10.0) | 21 (7.6) | 1.1 [1.0-1.2] | 1.1 [1.0-1.3] | Â |
North America | 13 (1.3) | 11 (1.5) | 2 (0.7) | 1.2 [0.9-1.5] | 1.2 [1.0-1.6] | NA |
South/Mid America | 59 (5.6) | 40 (5.6) | 19 (6.8) | 0.9 [0.8-1.1] | 1.0 [0.8-1.2] | Â |
Health region of residence in Norway | Â | Â | Â | Â | Â | Â |
South-East*** | 842 (85.0) | 602 (84.4) | 240 (86.3) | ref. group | ref. group | NA |
West | 86 (8.7) | 58 (8.1) | 28 (10.1) | 0.9 [0.8-1.1] | 0.9 [0.8-1.2] | Â |
Mid-Norway | 39 (4.0) | 35 (4.9) | 4 (1.4) | 1.2 [1.1-1.4] | 1.3 [1.1-1.5] | Â |
North | 24 (2.4) | 18 (2.5) | 6 (2.2) | 1.0 [0.8-1.3] | 1.0 [0.8-1.3] | Â |
Year gap**** | Â | Â | Â | Â | Â | Â |
< 1 year | 498 (50.2) | 389 (54.6) | 109 (39.2) | ref. group | ref. group | 0.001 |
1-3 years | 157 (15.8) | 118 (16.5) | 39 (14.0) | 1.0 [0.9-1.1] | 1.0 [0.8-1.1] | Â |
>3 years | 84 (8.5) | 41 (5.7) | 43 (15.5) | 0.6 [0.5-0.8] | 0.6 [0.5-0.8] | Â |
Unknown | 252 (25.4) | 165 (23.1) | 87 (31.3) | 0.8 [0.8-0.9] | 0.7 [0.6-0.9] | Â |
Reason for HIV test | Â | Â | Â | Â | Â | Â |
Contact tracing | 109 (11.0) | 68 (9.5) | 41 (14.8) | ref. group | ref. group | NA |
Own request | 328 (33.1) | 261 (36.6) | 67 (24.1) | 1.3 [1.1-1.5] | 1.3 [1.1-1.5] | Â |
Blood donor | 1 (0.1) | 0 | 1 (0.4) | excluded | excluded | Â |
Immigrant | 11 (1.1) | 7 (1.0) | 4 (1.4) | 1.0 [0.6-1.6] | 1.0 [0.6-1.7] | Â |
Symptoms | 347 (35.0) | 249 (35.0) | 98 (35.3) | 1.1 [1.0-1.3] | 1.2 [1.0-1.4] | Â |
Unspecified | 195 (20.0) | 128 (18.0) | 67 (24.1) | 1.1 [0.9-1.3] | 1.1 [0.9-1.3] | Â |
Source partner | Â | Â | Â | Â | Â | Â |
Steady | 166 (16.7) | 117 (16.4) | 49 (17.6) | ref. group | ref. group | NA |
Casual | 590 (59.5) | 442 (62.0) | 148 (53.2) | 1.1 [1.0-1.2] | 1.1 [1.0-1.2] | Â |
Commercial sex worker | 3 (0.3) | 3 (0.4) | 0 | excluded | excluded | Â |
Other/unknown | 232 (23.4) | 151 (21.2) | 81 (29.1) | 0.9 [0.8-1.1] | 1.0 [0.9-1.2] | Â |
Diagnosed by | Â | Â | Â | Â | Â | Â |
GP or private specialist | 412 (41.6) | 315 (44.2) | 97 (34.9) | ref. group | ref. group | NA |
Youth/STI clinic | 320 (32.3) | 329 (32.1) | 91 (32.7) | 0.9 [0.9-1.0] | 0.9 [0.9-1.0] | Â |
Hospital/ outpatient dept. | 247 (24.9) | 163 (22.7) | 85 (30.6) | 0.9 [0.8-0.9] | 0.9 [0.8-1.0] | Â |
Other | 12 (1.2) | 7 (1.0) | 5 (1.8) | 0.8 [0.5-1.2] | 0.8 [0.5-1.3] | Â |
Previous negative test | Â | Â | Â | Â | Â | Â |
No previous test | 336 (33.9) | 221 (31.0) | 115 (41.4) | ref. group | ref. group | NA |
Tested before | 588 (59.3) | 425 (59.6) | 163 (58.6) | 1.1 [1.0-1.2] | 0.9 [0.9-1.0] | Â |
Unknown | 67 (6.8) | 67 (9.40) | 0 | excluded | excluded | Â |
STI co-infection | Â | Â | Â | Â | Â | Â |
None reported | 858 (86.6) | 617 (86.5) | 241 (86.7) | ref. group | ref. group | NA |
Any | 133 (13.4) | 96 (13.5) | 37 (13.3) | 1.0 [0.9-1.1] | 1.1 [0.9-1.2] | Â |