Age | | | | χ24 = 56.29, p=0.0001 |
15–19 | 161 | 4.3 | 0.4 (0.19–0.91) | 0.4 (0.16–0.85) |
20–24 | 747 | 8.3 | 0.8 (0.60–1.15) | 0.8 (0.52–1.09) |
25–29 | 1164 | 9.7 | Reference group | 1.0 |
30–34 | 831 | 13.8 | 1.5 (1.12–1.94) | 1.7 (1.22–2.31) |
35+ | 366 | 19.9 | 2.3 (1.66–3.15) | 3.0 (2.08–4.44) |
Country of birth | | | | χ28 = 17.89, p=0.022 |
Australia and NZ | 2082 | 11.5 | Reference group | 1.0 |
Polynesia | 93 | 14.0 | 1.3 (0.69–2.31) | 2.2 (1.04–4.51) |
N and SE Asia | 327 | 12.2 | 1.1 (0.76–1.55) | 2.2 (1.37–3.55) |
Southern Asia | 156 | 5.4 | 0.4 (0.20–0.87) | 1.1 (0.48–2.57) |
Africa | 64 | 3.1 | 0.3 (0.06–1.03) | 0.2 (0.03–1.65) |
Middle East | 207 | 10.1 | 0.8 (0.48–1.28) | 1.3 (0.75–2.41) |
Europe | 225 | 20.9 | 1.6 (1.13–2.36) | 1.3 (0.87–2.08) |
N America | 19 | 5.3 | 0.4 (0.06–3.25) | 0.5 (0.07–4.38) |
S America | 63 | 12.7 | 1.1 (0.53–2.41) | 1.7 (0.72–3.82) |
Education level | | | | χ23 = 13.06, p=0.0045 |
Primary | 110 | 17.3 | 2.0 (1.18–3.36) | 2.0 (1.05–3.72) |
Year 10 | 1039 | 14.4 | 1.6 (1.26–2.05) | 1.5 (1.15–2.07) |
Year 12 | 641 | 9.7 | 1.0 (0.75–1.40) | 0.9 (0.64–1.34) |
Tertiary | 1454 | 9.6 | Reference group | 1.0 |
Hospital status | | | | χ23 = 10.78, p=0.0010 |
Private | 384 | 6.3 | Reference group | 1.0 |
Public | 2862 | 13.5 | 2.0 (1.32–3.11) | 2.2 (1.39–3.65) |
Confirmed genital herpes | | | χ21 = 45.23, p=0.0001 |
No | 3147 | 10.3 | Reference group | 1.0 |
Yes | 99 | 46.5 | 7.5 (5.00–11.37) | 5.9 (3.50–9.82) |
Partner with genital herpes | | | χ21 = 17.22, p=0.0001 |
No | 3142 | 10.6 | Reference group | 1.0 |
Yes | 71 | 45.1 | 6.9 (4.28–11.20) | 3.6 (1.97–6.63) |
Age at first sex | | | | χ23 = 11.32, p=0.010 |
<15 | 377 | 14.6 | 1.2 (0.84–1.59) | 1.0 (0.67–1.44) |
16–19 | 1674 | 12.8 | Reference group | 1.0 |
20–24 | 737 | 8.5 | 0.6 (0.47–0.85) | 0.8 (0.58–1.20) |
>24 | 342 | 5.6 | 0.4 (0.25–0.65) | 0.3 (0.18–0.63) |
Lifetime number of sexual partners | | χ21 = 17.23, p=0.0001 |
One | 1308 | 6.1 | Reference group | 1.0 |
>one | 1749 | 14.6 | 2.6 (2.02–3.41) | 2.1 (1.46–2.89) |
History of chlamydia | | | χ21 = 13.53, p=0.0002 |
No | 3151 | 10.8 | Reference group | 1.0 |
Yes | 82 | 29.3 | 3.4 (2.09–5.56) | 2.9 (1.64–5.02) |