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Table 3 Adjusted (sero)prevalence ratios (PR) of CT by ethnicity, as compared to the Dutch reference group

From: Differences in Chlamydia trachomatis seroprevalence between ethnic groups cannot be fully explained by socioeconomic status, sexual healthcare seeking behavior or sexual risk behavior: a cross-sectional analysis in the HEalthy LIfe in an Urban Setting (HELIUS) study

Adjustments South Asian Surinamese PR (95% CI) African Surinamese PR (95% CI) Ghanaian PR (95% CI) Turkish PR (95% CI) Moroccan PR (95% CI)
Unadjusted* 1.07 (0.90–1.28) 1.99 (1.65–2.21) 1.81 (1.54–2.13) 0.83 (0.68–1.01) 0.93 (0.76–1.12)
Model 1: Adjusted for age and gender 1.09 (0.91–1.30) 1.90 (1.64–2.20) 1.81 (1.54–2.13) 0.82 (0.67–1.00) 0.93 (0.76–1.13)
Model 2: Adjusted for age, gender and sexual risk behavior (SRB)a 1.29 (1.07–1.56) 1.87 (1.61–2.17) 1.83 (1.51–2.21) 1.01 (0.81–1.26) 1.13 (0.91–1.40)
Model 3: Adjusted for age, gender, and socioeconomic status (SES)b 1.11 (0.90–1.36) 1.76 (1.47–2.12) 1.58 (1.24–2.01) 0.75 (0.59–0.97) 0.89 (0.70–1.13)
Model 4: Adjusted for age, gender and sexual healthcare seeking behavior (sHSB)c 1.11 (0.93–1.33) 1.85 (1.59–2.14) 1.78 (1.51–2.10) 0.86 (0.70–1.05) 0.94 (0.77–1.14)
Model 5: Adjusted for age, gender, SRB, SES and sHSBa, b, c 1.27 (1.02–1.58) 1.72 (1.43–2.06) 1.52 (1.16–1.99) 0.87 (0.66–1.13) 1.09 (0.84–1.40)
  1. PR (Sero)prevalence ratio, CI Confidence intervals
  2. *Results from unadjusted Poisson regression with robust variance
  3. aSexual risk behavior includes sexual contacts and condom use in the preceding 6 months, the natural log of lifetime sex partners and age at sexual debut
  4. bSocioeconomic status includes educational level and occupational level
  5. cSexual healthcare seeking behavior includes HIV testing and STI testing in the preceding 6 months