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Table 3 Predictors of repeat testing among heterosexual men 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 41,129 88.9 5157 11.1     
Age
 13–19 2596 6.3 299 5.8 1 1
 20–24 19,139 46.5 2582 50.1 1.17 (1.03–1.33) 1.08 (0.94–1.23)
 25+ 19,394 47.2 2276 44.1 1.02 (0.90–1.16) 0.82 (0.72–0.93)
Education levela,c
 Low 12,971 31.5 1516 29.4 1 1
 High 22,363 54.4 2376 46.1 0.91 (0.85–0.97) 0.98 (0.91–1.06)
Ethnicity
 Dutch 26,964 65.6 3006 58.3 1 1
 Western non-Dutch 2524 6.1 322 6.3 1.14 (1.01–1.29) 1.06 (0.93–1.20)
 Non-Western 11,602 28.2 1828 35.4 1.41 (1.33–1.50) 1.37 (1.28–1.46)
Number of sex partners in past 6 months
 0–1 8559 21.0 529 10.4 1 1
 2–3 16,191 39.7 1783 34.9 1.78 (1.61–1.97) 1.75 (1.58–1.94)
 4+ 16,023 39.3 2801 54.8 2.83 (2.57–3.12) 2.80 (2.54–3.09)
Condom use at last sexual contact
 No 29,257 73.8 3720 74.5 1
 Yes 10,376 26.2 1273 25.5 0.96 (0.90–1.03)
Received partner notification
 No 30,763 75.2 3917 76.2 1
 Yes 10,155 24.8 1223 23.8 0.95 (0.88–1.01)
Reported STI symptoms
 No 26,968 65.9 3135 61.1 1 1
 Yes 13,939 34.1 1995 38.9 1.23 (1.16–1.31) 1.10 (1.03–1.17)
History of STI (CT/GO/SY)a,b
 No 34,088 82.9 4103 79.6 1 1
 Yes 2610 6.4 721 14.0 2.30 (2.10–2.51) 2.08 (1.90–2.28)
Chlamydia infection
 No 35,373 86.0 3910 75.8 1 1
 Yes 5756 14.0 1247 24.2 1.96 (1.83–2.10) 1.85 (1.72–1.99)
  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
  4. cIncluded in the multivariable model due to significance of the ‘missing values’ category (not shown)