Age (years) |
<25 | 8/62 (13) | 1.00 | | | | |
25–34 | 20/99 (20) | 1.71 | 0.70 to 4.16 | | | |
⩾35 | 15/55 (27) | 2.53 | 0.98 to 6.55 | | | |
Ethnicity |
White | 35/185 (19) | 1.00 | | 1.00 | 0.021 | |
Black | 6/14 (43) | 3.21 | 1.05 to 9.86 | 4.11 | | 1.23 to 13.69 |
Education |
⩾University level | 12/73 (16) | 1.00 | | | | |
<University level | 30/140 (21) | 1.39 | 0.66 to 2.90 | | | |
Age at first sex (years) |
<18 | 34/149 (23) | 1.00 | | | | |
18–19 | 5/36 (14) | 0.55 | 0.20 to 1.51 | | | |
⩾20 | 2/26 (8) | 0.28 | 0.06 to 1.25 | | | |
Years of sexual activity |
<5 | 3/28 (11) | 1.00 | | | | |
5–14 | 19/105 (18) | 1.84 | 0.50 to 6.73 | | | |
15–24 | 12/51 (24) | 2.56 | 0.66 to 10.00 | | | |
⩾25 | 7/27 (26) | 2.92 | 0.67 to 12.75 | | | |
Lifetime partners |
<5 | 15/83 (18) | 1.00 | | | | |
5–9 | 10/48 (21) | 1.23 | 0.50 to 3.00 | | | |
⩾10 | 17/84 (20) | 1.15 | 0.53 to 2.49 | | | |
Use of condom |
Never | 8/24 (33) | 1.00 | | | | |
Ever | 34/191 (18) | 0.43 | 0.17 to 1.09 | | | |
History of other STIs: |
Yes | 23/92 (25) | 1.00 | | | | |
No | 19/123 (15) | 0.55 | 0.28 to 1.08 | | | |
Patient history of genital herpes: |
Yes | 14/29 (48) | 1.00 | | 1.00 | <0.001 | |
No | 28/185 (15) | 0.19 | 0.08 to 0.44 | 0.18 | | 0.07 to 0.43 |
Occupation |
Intellectual | 8/65 (12) | 1.00 | | | | |
Manual | 14/70 (20) | 1.78 | 0.69 to 4.58 | | | |
Student | 4/31 (13) | 1.06 | 0.29 to 3.81 | | | |