Table 2

Risk factors associated with Chlamydia trachomatis in sexually active females

NoCT +p ValueOR
Number3314112 (3.5%)
Ethnicity
    Non-communitarian29826 (8.72%)
    Communitarian300985 (2.82%)<0.0013.292.03<OR<5.30
    Unknown71 (14.28%)
Education
    Compulsory school134564
    High school + university190845<0.0012.071.38<OR<3.10
Age of first sexual intercourse
    ≤1545824 (5.88%)
    16–17101134 (3.36%)
    18–25165041 (2.55%)0.0061.911.16<OR<3.12
    Non-responders998 (8%)
    Unknown965 (5.21%)
Contraception
    None144948 (3.43%)
    E-P pill, condom, sterilisation186564 (3.55%)NS0.960.65<OR<1.43
Injecting drugs
    Yes595 (8.47%)
    No3179104 (3.27%)0.0282.740.94<OR<7.32
    Non-responders753 (4%)
Symptoms
    Yes191785 (4.43%)
    No139727 (1.93%)<0.0012.351.49<OR<3.74
No of sexual partners during past 6 months
    >112611 (8.73%)
    ≤1293589 (3.03%)<0.0013.061.50<OR<6.08
    Non-responders25312 (4.74%)
Partner
    Symptomatic1658 (4.85%)
    Non-symptomatic3149104 (3.30%)NS1.490.66<OR<3.23