Table 2

 Univariate analysis of demographics and behavioural factors with chlamydial infection

CT PosCT Negp Value
No (%)No (%)
CT Pos, Chlamydia trachomatis LCR positive; CT Neg, Chlamydia trachomatis LCR negative; OPD, outpatients department; UL, university sports arena.
Total 23370
Location
    OPD13 (57%)194 (52%)0.830
    UL10 (43%)176 (48%
Age (years)
    17–206 (26%)87 (24%)
    21–247 (30%)147 (40%)0.827
    25–298 (35%)92 (25%)
    30–352 (9%)44 (12%)
Smoking
    Yes6 (26%)113 (31%)0.244
Missing data 033
Condom use
    Yes14 (61%)230 (62%)0.153
    Missing data041
Symptoms
    Ever8 (35%)87 (24%)0.149
    Recent5 (22%)12 (3%)<0.0005
    Missing data043
Last sexual intercourse
    1–7 Days12 (52%)142 (53%)0.578
    8–14 Days3 (13%)35 (13%)
    15 Days to 1 month2 (9%)29 (11%)
    1–6 Months6 (26%)49 (18%)
    1 Year05 (2%)
    >1 Year08 (3%)
    Missing data0102
Attended STD clinic
    Yes2 (9%)22 (6%)0.223
    Missing data041
6 Month sexual partners
    ⩽15 (22%)206 (65%)<0.0005
    >118 (78%)109 (35%)
    Missing data055
Lifetime sexual partners
    ⩽86 (26%)189 (65%)
    >817 (74%)100 (35%)<0.0005
    Missing data081