Age (years): | | | 0.049 |
16–24 | 23.3 (15.4 to 33.6) | 9.6 (6.4 to 15.2) | |
25–34 | 35.5 (25.8 to 46.7) | 43.6 (34.1 to 53.6) | |
35–44 | 41.2 (30.7 to 52.5) | 46.5 (36.4 to 57.0) | |
Education: | | | 0.006 |
Degree | 50.0 (39.0 to 60.9) | 31.3 (23.3 to 40.7) | |
Higher education (<degree) | 28.1 (19.8 to 38.2) | 27.5 (20.9 to 35.3) | |
GCSE/O level/Other/none | 21.9 (14.3 to 32.1) | 41.2 (32.1 to 50.9) | |
Social class | | | 0.007 |
I or II | 43.3 (32.5 to 54.8) | 22.0 (15.6 to 30.0) | |
III (manual or non-manual) | 28.6 (21.1 to 37.5) | 36.1 (28.0 to 45.1) | |
IV or V | 15.6 (9.3 to 25.0) | 20.1 (14.1 to 27.9) | |
Unclassified | 12.5 (8.1 to 18.8) | 21.8 (14.3 to 31.8) | |
Index of multiple deprivation‡ | | | 0.446 |
1st–4th | 35.9 (24.4 to 49.3) | 41.6 (31.4 to 52.6) | |
5th (most deprived) | 64.1 (50.7 to 75.6) | 58.4 (47.4 to 68.6) | |
Marital status | | | 0.007 |
Married | 41.2 (30.5 to 52.7) | 49.9 (39.8 to 60.1) | |
Cohabiting | 13.0 (6.5 to 24.3) | 7.8 (4.4 to 13.4) | |
Previously married | 6.9 (3.8 to 12.2) | 19.1 (12.4 to 28.2) | |
Single, never married | 38.9 (29.1 to 49.8) | 23.3 (17.0 to 31.0) | |
Religion | | | 0.410 |
Christian, non-RC | 49.9 (39.2 to 60.7) | 59.1 (49.7 to 67.9) | |
Roman Catholic | 16.1 (9.2 to 26.7) | 15.1 (10.6 to 21.0) | |
Other/none | 34.0 (24.8 to 44.5) | 25.8 (17.5 to 36.3) | |
Region of residence | | | 0.081 |
Greater London | 73.4 (62.5 to 82.0) | 87.4 (76.1 to 93.8) | |
Elsewhere in Britain | 26.6 (18.0 to 37.6) | 12.6 (6.2 to 23.9) | |
Time spent in UK | | | 0.826 |
Born in UK | 27.4 (9.9 to 40.4) | 26.0 (19.4 to 34.0) | |
Born abroad | 72.6 (62.6 to 80.8) | 74.0 (66.0 to 80.6) | |
Time in UK if migrant (years, median, range) | 9.5 (0 to 37) | 10.0 (0 to 35) | 0.442 |
Region of birth | | | 0.147 |
Europe | 29.1 (20.7 to 39.1) | 27.3 (20.4 to 35.4) | |
Central/East Africa | 17.9 (11.8 to 26.2) | 29.2 (20.4 to 39.9) | |
West Africa | 44.6 (33.9 to 55.8) | 39.9(31.2 to 35.3) | |
Other | 8.4 (3.4 to 19.4) | 3.6 (1.7 to 7.5) | |
Previous STI diagnosis | 17.5 (11.3 to 26.1) | 17.7 (11.0 to 27.4) | 0.158 |
Sex§ in past year without a condom | | | 0.619 |
No | 26.0 (18.0 to 36.2) | 23.5 (16.6 to 32.2) | |
Yes | 63.9 (52.7 to 73.8) | 61.3 (51.3 to 70.4) | |
Not answered correctly | 10.0 (4.6 to 20.7) | 15.2 (8.1 to 26.7) | |
Number of partners in past 5 years | | | <0.001 |
0–1 | 28.4 (19.9 to 38.8) | 75.4 (66.3 to 82.7) | |
2–5 | 48.0 (37.9 to 58.3) | 22.6 (15.6 to 31.5) | |
6+ | 23.6 (16.6 to 32.5) | 2.1 (0.8 to 5.6) | |
Median (range) | 3 (0 to 130) | 1 (0 to 11) | |
New partner from abroad in past 5 years | 37.9 (28.2 to 48.8) | 6.4 (3.6 to 11.2) | <0.001 |
Age at first sex‡ (years) | | | <0.001 |
16+ | 67.5 (57.0 to 76.5) | 88.3 (81.1 to 92.9) | |
<16 | 32.5 (23.5 to 43.0) | 11.7 (7.1 to 18.9) | |
Ever paid for sex§ | 14.9 (9.7 to 22.2) | NA | to |
Had concurrent partnerships in past 5 years | 35.6 (24.8 to 48.1) | 7.0 (4.1 to 11.7) | <0.001 |
Perception of HIV risk for self | | | 0.010 |
Not at all | 48.9 (37.6 to 60.4) | 71.0 (62.6 to 78.2) | |
Not very much | 42.5 (31.5 to 54.4) | 23.6 (16.9 to 31.9) | |
Quite a lot or great | 8.5 (4.1 to 16.8) | 5.4 (3.0 to 9.6) | |
Ever attended GUM clinic | 23.6 (15.8 to 33.6) | 17.9 (11.8 to 26.3) | 0.360 |
Antenatal care (past 5 years) | NA | 57.5 (48.3 to 66.2) | – |
User of tertiary NHS services¶ | 71.5 (60.0 to 80.7) | 61.4 (52.2 to 69.9) | 0.184 |
Ever had an HIV test | 36.4 (26.5 to 47.6) | 44.0 (34.6 to 53.9) | 0.303 |