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Table 2 Predictors of repeat testing among heterosexual women at initial consultation, June 2014 to December 2015

From: Repeat Chlamydia trachomatis testing among heterosexual STI outpatient clinic visitors in the Netherlands: a longitudinal study

  Single testers Repeat testers
    Crude Adjusted
  n % n % OR 95% CI OR 95% CI
Total 63,875 84.6 11,612 15.4     
Age
 13–19 8543 13.4 1559 13.4 1
 20–24 36,471 57.1 6623 57.0 0.99 (0.94–1.05)
 25+ 18,861 29.5 3430 29.5 1.00 (0.93–1.06)
Education levela
 Low/medium 17,554 27.5 3201 27.6 1 1
 High 37,118 58.1 5422 46.7 0.80 (0.76–0.84) 0.88 (0.84–0.93)
Ethnicity
 Dutch 47,441 74.4 7906 68.2 1 1
 Western non-Dutch 3718 5.8 613 5.3 0.99 (0.91–1.08) 0.91 (0.83–1.00)
 Non-Western 12,650 19.8 3081 26.6 1.46 (1.40–1.53) 1.31 (1.26–1.39)
Number of sex partners in past 6 months
 0–1 21,107 33.7 2461 22.3 1 1
 2–3 29,046 46.4 5162 46.7 1.52 (1.45–1.60) 1.56 (1.48–1.64)
 4+ 12,471 19.9 3421 31.0 2.35 (2.22–2.49) 2.27 (2.14–2.41)
Condom use at last sexual contact
 No 48,663 78.5 8214 72.6 1 1
 Yes 13,294 21.5 3097 27.4 1.38 (1.32–1.44) 1.10 (1.04–1.15)
Received partner notification
 No 53,816 84.7 9953 86.1 1 1
 Yes 9749 15.3 1610 13.9 0.89 (0.84–0.95) 0.80 (0.75–0.85)
Reported STI symptoms
 No 41,179 64.9 7253 62.8 1 1
 Yes 22,257 35.1 4287 37.2 1.09 (1.05–1.14) 1.08 (1.03–1.12)
History of STI (CT/GO/SY)a,b
 No 52,597 82.4 9215 79.4 1 1
 Yes 5072 7.9 1672 14.4 1.88 (1.77–2.00) 1.86 (1.74–1.98)
Chlamydia infection
 No 55,706 87.2 9136 78.7 1 1
 Yes 8169 12.8 2476 21.3 1.85 (1.76–1.94) 2.00 (1.89–2.11)
  1. Abbreviations: CT chlamydia, GO gonorrhoea, SY syphilis
  2. aMissing values included in the analysis as a separate category (ORs not shown)
  3. bIn 2014, history of STI was asked regarding the past 2 years. In 2015 this changed to the past year only