Skip to main content

Table 3 Demographic and sexual risk behavior characteristics of women with concurrent concordant- and discordant multiple C hlamydia trachomatis infections

From: No indication for tissue tropism in urogenital and anorectal Chlamydia trachomatis infections using high-resolution multilocus sequence typing

Variable Total (N = 206) Concordant (N = 179) Discordant (N = 27)  
  * n (%) * n (%) * n (%) P
Demographics           
Age in years (continuous) 206    179    27    0.321
  Median (IQR)   22 (20–26)   22 (20–26)   21 (19–26)  
Age in years (categorical) 206    179    27    0.213
  <15   0 (0.0%)   0 (0.0%)   0 (0.0%)  
  15-19   38 (18.4%)   30 (16.8%)   8 (29.6%)  
  20-24   105 (51.0%)   95 (53.1%)   10 (37.0%)  
  25-29   43 (20.9%)   35 (19.6%)   8 (29.6%)  
  30-39   13 (6.3%)   12 (6.7%)   1 (3.7%)  
  ≥40   7 (3.4%)   7 (3.9%)   0 (0.0%)  
Ethnicity 206    179    27    0.327
  Dutch   97 (47.1%)   84 (46.9%)   13 (48.1%)  
  Surinamese   38 (18.4%)   30 (16.8%)   8 (29.6%)  
  Eastern European   22 (10.7%)   20 (11.2%)   2 (7.4%)  
  Other   49 (23.8%)   45 (25.1%)   4 (14.8%)  
Sexual behavior           
Number of partners in preceding 6 months (continuous) 206    179    27    0.545
  Median (IQR)   3 (2–5)   3 (2–5)   3 (1–6)  
Vaginal intercourse 203    177    26    0.831
  Safe   21 (10.3%)   18 (10.2%)   3 (11.5%)  
  Unsafe   182 (89.7%)   159 (89.8%)   23 (88.5%)  
Receptive anal intercourse 205    179    26    0.797
  None   110 (53.7%)   97 (54.2%)   13 (50.0%)  
  Safe   17 (8.3%)   14 (7.8%)   3 (11.5%)  
  Unsafe   78 (38.0%)   68 (38.0%)   10 (38.5%)  
Active oral intercourse 203    177    26    0.969
  None   28 (13.8%)   24 (13.6%)   4 (15.4%)  
  Safe   8 (3.9%)   7 (4.0%)   1 (3.8%)  
  Unsafe   167 (82.3%)   146 (82.5%)   21 (80.8%)  
Notified of STI by a sexual partner 206    179    27    0.435
  No   143 (69.4%)   126 (70.4%)   17 (63.0%)  
  Yes   63 (30.6%)   53 (29.6%)   10 (37.0%)  
STI related symptoms 206    179    27    0.209
  No   87 (42.2%)   70 (39.1%)   17 (63.0%)  
  Yes   122 (59.2%)   109 (60.9%)   13 (48.1%)  
HIV status 206    179    27    0.679
  Unknown   4 (1.9%)   4 (2.2%)   0 (0.0%)  
  Negative   201 (97.6%)   174 (97.2%)   27 (100.0%)  
  Positive   1 (0.5%)   1 (0.6%)   0 (0.0%)  
Received money for sex in preceding 6 months 206    179    27    0.263
  Yes   175 (85.0%)   154 (86.0%)   21 (77.8%)  
  No   31 (15.0%)   25 (14.0%)   6 (22.2%)  
  1. Abbreviations: STI sexual transmitted infection, HIV human immunodeficiency virus, IQR interquartile range, P P-value.
  2. Significant P-values in bold.
  3. *Number of individuals with available data.