Age (years) | | | | | |
<25 | 1 | 4.0 (3.3–4.9) | <0.001 | 8.9 (5.6–14.3) | <0.001 |
≥25 | 1 | 1 | | 1 | |
Reason for clinic visit | | | | | |
STD contact | 1 | 1.1 (0.8–1.6) | 0.4 | 1.3 (0.8–2.2) | 0.3 |
STD symptoms | 1 | 1.1 (0.9–1.5) | 0.3 | 1.1 (0.7–1.7) | 0.8 |
“Other” | 1 | 1.8 (1.2–2.7) | 0.005 | 2.2 (1.1–4.3) | 0.02 |
Screening | 1 | 1 | | 1 | |
Clinic type | | | | | |
Family planning | 1 | 1.3 (0.9–1.9) | 0.1 | 1.6 (0.8–3.0) | 0.1 |
STD | 1 | 1.6 (1.1–2.3) | 0.007 | 2.2 (1.2–4.2) | 0.01 |
School | 1 | 1 | | 1 | |
Risk behaviours | | | | | |
Inconsistent condom use | 1 | 1.3 (1.0–1.6) | 0.04 | 1.2 (0.8–1.9) | 0.3 |
>1 sex partner | 1 | 1.1 (0.9–1.5) | 0.4 | 1.5 (0.9–2.4) | 0.09 |
New sex partner | 1 | 1.1 (0.8–1.4) | 0.5 | 0.9 (0.5–1.4) | 0.6 |
Self reported STD history | | | | | |
Previous syphilis infection | 1 | 0.4 (0.2–0.8) | 0.008 | 0.9 (0.3–2.2) | 0.8 |