Table 3

 HIV prevalence and associations with characteristics of female participants

VariableFemales
HIV prevalence % (95% CI)OR (95% CI)Adjusted OR (95% CI)†Base
*One-sided 97.5% confidence interval; †adjusted for area, age-group, region of birth, marital status, STI diagnosis, no. new partners in past 12 months and site of recruitment.
All respondents15.0 (12.0 to 18.5)493
Areap = 0.001p = 0.59
    London12.5 (9.2 to 16.3)11361
    Luton11.3 (4.7 to 21.9)0.9 (0.4 to 2.1)0.5 (0.1 to 2.1)62
    West Midlands31.4 (20.9 to 43.6)3.2 (1.8 to 5.8)0.6 (0.1 to 3.2)70
Age groupp<0.001p<0.001
    Under 254.5 (1.8 to 9.0)11156
    25–2918.9 (11.6 to 28.3)5.0 (2.0 to 12.4)10.4 (2.3 to 47.0)95
    30–3417.7 (10.7 to 26.8)4.6 (1.8 to 11.5)11.0 (2.0 to 60.4)96
    35–3925.5 (13.9 to 40.3)7.3 (2.7 to 19.9)19.5 (2.8 to 136.8)47
    40+22.4 (13.1 to 34.2)6.1 (2.4 to 15.9)41.3 (5.9 to 287.6)67
Region of birthp<0.001p = 0.02
    Eastern Africa25.4 (19.6 to 31.8)11209
    Horn of Africa4.2 (1.4 to 9.6)0.1 (0.1 to 0.3)0.2 (0.1 to 0.9)118
    Southern Africa33.3 (15.6 to 55.3)1.5 (0.6 to 3.6)1.7 (0.3 to 8.2)24
    Central Africa11.4 (3.2 to 26.7)0.4 (0.1 to 1.1)1.9 (0.4 to 10.4)35
    Western Africa6.2 (1.7 to 15.0)0.2 (0.1 to 0.6)0.5 (0.1 to 2.2)65
    Other and outside Africa0 (0 to 10.6*)0 (–)33
Marital statusp = 0.01p<0.001
    Married (partner abroad)6.1 (0.7 to 20.2)0.4 (0.1 to 1.7)0.2 (0.0 to 1.2)33
    Married9.6 (4.9 to 16.5)0.6 (0.3 to 1.3)0.0 (0.0 to 0.2)115
    Widowed/separated/divorced33.3 (19.1 to 50.2)3.0 (1.4 to 6.4)0.5 (0.1 to 1.8)39
    Living with partner17.9 (7.5 to 33.5)1.3 (0.5 to 3.2)0.3 (0.1 to 1.5)39
    In relationship18.9 (9.4 to 32.0)1.4 (0.6 to 3.0)0.4 (0.1 to 1.6)53
    Single14.5 (10.0 to 20.0)11207
STI clinic attendancep<0.001
    ⩽5 years ago27.2 (20.7 to 34.6)4.3 (2.5 to 7.4)169
    >5 years ago14.8 (4.2 to 33.7)2.0 (0.6 to 6.2)27
    Never attended8.0 (5.2 to 11.8)1286
STI diagnosisp<0.001p = 0.01
    ⩽5 years ago34.2 (23.5 to 46.3)4.4 (2.4 to 7.8)3.7 (1.2 to 10.8)73
    > 5 years ago31.8 (13.9 to 54.9)3.9 (1.5 to 10.2)5.1 (1.2 to 21.2)22
    Never STI diagnosis10.6 (7.7 to 14.1)11386
No. new partners in past 12 monthsp = 0.01p = 0.06
    015.7 (11.8 to 20.3)11305
    111.8 (5.6 to 21.3)0.7 (0.3 to 1.5)0.6 (0.2 to 1.9)76
    250.0 (26.0 to 74.0)5.4 (2.0 to 14.2)8.7 (1.1 to 66.9)18
    3+7.7 (0.2 to 36.0)0.4 (0.1 to 3.5)0 (–)13
Gender of sex partners in past 12 monthsp = 0.002
    Homo/bisexual0 (0 to 9.5)0 (–)37
    Heterosexual17.4 (13.8 to 21.5)1397
Site of recruitmentp = 0.54p = 0.28
    Social network (+weddings and christenings)13.5 (7.4 to 22.0)1.0 (0.5 to 2.1)0.5. (0.2 to 1.5)96
    Churches10.5 (1.3 to 33.1)0.8 (0.2 to 3.5)0.1 (0.0 to 2.3)19
    University/college3.1 (0.1 to 16.2)0.2 (0.0 to 1.6)1.2 (0.1 to 13.9)32
    Pubs, restaurants, bars, nightclubs12.5 (1.6 to 38.3)0.9 (0.2 to 4.3)0.4 (0.1 to 2.3)16
    Barbers, hairdressers, markets, shops6.3 (0.2 to 30.2)0.4 (0.1 to 3.4)16
    Events, concerts, football13.2 (9.2 to 18.2)11242
    Other22.2 (6.4 to 47.6)1.9 (0.6 to 6.1)2.3 (0.4 to 14.7)18