Table 4

 Adjusted* chlamydia prevalence (%) among participants according to selected variables

Menn/NNWomenn/NNTotaln/NN
Prev (95% CI)UWWTp ValuePrev (95% CI)UWWTp ValuePrev (95% CI)UWWTp Value
*Adjusted prevalence: inverse probability weighted for age/sex/AAD (see Methods).
†Likelihood ratio test in univariate logistic regression.
‡Symptoms in men: pain in passing urine, more frequent urination and/or penile discharge. Symptoms in women: intermenstrual or postcoital bleeding, abnormal vaginal discharge, pain in passing urine, frequent urination and/or lower abdominal pain.
¶Only if sexually active (ever).
Missing values reduce the denominator in several categories.
n/N, number of positives among total participants with information on this variable; UW, unweighted; WT, weighted.
Overall1.5 (1.1–1.8)43/291842282.5 (2.0–3.0)122/542141112.0 (1.7–2.3)165/83398339<0.001
Ethnicity0.052<0.001<0.001
    Dutch1.4 (1.0–1.8)36/260837592.2 (1.7–2.7)98/490836881.8 (1.5–2.1)134/75167446
    Suriname/Antilleans4.4 (0.0–9.3)2/436812.1 (5.4–18.8)13/104918.2 (3.9–12.5)15/147158
    Turkish/Moroccan6.3 (1.0–11.7)3/50791.2 (0.0–3.6)1/97823.1 (0.4–5.8)4/147160
    Other1.4 (0.0–3.0)2/1422133.3 (0.7–5.8)7/2291842.3 (0.8–3.7)9/371397
Education0.0010.004<0.001
    Low2.5 (1.6–3.3)21/85912573.6 (2.4–4.7)40/12349562.9 (2.2–3.6)61/20932214
    Intermediate1.5 (0.9–2.1)16/112415792.6 (1.8–3.3)53/227016702.1 (1.6–2.6)69/33943250
    High0.6 (0.2–1.1)6/83212431.5 (0.8–2.1)24/175413591.1 (0.7–1.5)30/25862602
Symptoms‡<0.001<0.001<0.001
    Yes5.2 (2.8–7.7)10/2183253.8 (2.8–4.8)67/197815274.0 (3.1–4.9)77/21961851
    No1.2 (0.8–1.5)33/270039041.7 (1.2–2.2)55/344325841.4 (1.1–1.7)88/61436488
Sexually active0.001<0.001<0.001
    Yes1.8 (1.3–2.2)41/231733542.8 (2.3–3.4)119/468835502.3 (2.0–2.7)160/70056904
    No0.4 (0.0–0.8)2/5257600.2 (0.0–0.6)1/6544990.3 (0.0–0.6)3/11791259
Number lifetime partners¶<0.001<0.001<0.001
    10.5 (0.1–0.9)5/71610070.6 (0.2–1.0)10/182913450.6 (0.3–0.9)15/25452353
    2–51.3 (0.7–1.9)13/105715182.9 (2.1–3.8)58/220016672.1 (1.6–2.6)71/32573184
    ⩾64.1 (2.7–5.5)21/5187848.0 (5.6–10.3)49/6255145.6 (4.4–6.9)70/11431298