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Table 1 Demographic and sexual risk behavior characteristics of women and men who have sex with men (MSM) with anorectal Chlamydia trachomatis infections

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

Variable

Total (N = 392)

Women (N = 185)

MSM (N = 207)

 
 

*

n

(%)

*

n

(%)

*

n

(%)

P

Demographics

          

Age in years (continuous)

383

  

185

  

198

  

<0.001

  Median (IQR)

 

28

(22–39)

 

23

(20–26)

 

38

(31–45)

 

Age in years (categorical)

383

  

185

  

198

  

<0.001

  ≤15

 

1

(0.3%)

 

1

(0.5%)

 

0

(0.0%)

 

  15-19

 

25

(6.5%)

 

25

(13.5%)

 

0

(0.0%)

 

  20-24

 

107

(27.9%)

 

95

(51.4%)

 

12

(6.1%)

 

  25-29

 

72

(18.8%)

 

41

(22.2%)

 

31

(15.7%)

 

  30-39

 

84

(21.9%)

 

15

(8.1%)

 

69

(34.8%)

 

  ≥40

 

94

(24.5%)

 

8

(4.3%)

 

86

(43.4%)

 

Sexual behavior

          

Number of partners in preceding 6 months (continuous)

286

  

185

  

188

  

<0.001

  Median (IQR)

 

4

(2–10)

 

3

(1–5)

 

10

(4–20)

 

Receptive anal intercourse

381

  

183

  

198

  

<0.001

  Nonea

 

31

(8.1%)

 

22

(12.0%)

 

1

(0.5%)

 

  Safe

 

70

(18.4%)

 

16

(8.7%)

 

54

(27.3%)

 

  Unsafeb

 

280

(73.5%)

 

145

(79.2%)

 

143

(72.2%)

 

Notified of STI by a sexual partner

383

  

185

  

198

  

0.961

  No

 

306

(79.9%)

 

148

(80.0%)

 

158

(79.8%)

 

  Yes

 

77

(20.1%)

 

37

(20.0%)

 

40

(20.2%)

 

STI related symptoms

383

  

185

  

198

  

<0.001

  No

 

233

(60.8%)

 

132

(71.4%)

 

101

(51.0%)

 

  Yes

 

150

(39.2%)

 

53

(28.6%)

 

97

(49.0%)

 

HIV status

392

  

185

  

207

  

<0.001

  Unknown

 

19

(4.8%)

 

3

(1.6%)

 

16

(7.7%)

 

  Negative

 

278

(70.9%)

 

182

(98.4%)

 

96

(46.4%)

 

  Positive

 

95

(24.2%)

 

0

(0.0%)

 

95

(45.9%)

 

Received money for sex in preceding 6 months

383

  

185

  

198

  

<0.001

  No

 

354

(92.4%)

 

158

(85.4%)

 

196

(99.0%)

 

  Yes

 

29

(7.6%)

 

27

(14.6%)

 

2

(1.0%)

 
  1. Abbreviations: MSM men who have sex with men, 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.
  4. aOf all women reporting no receptive anal intercourse, 14 were prostitutes and were also tested for rectal C. trachomatis infections following routine guidelines, 5 women were accidently tested, 3 women were tested for reporting anal discharge, and 1 women was tested due to notification by a sexual partner.
  5. bEight women reported receptive anal intercourse but condom use was unknown. These were all included as having unsafe receptive anal intercourse, as this would be the most likely explanation for infection.
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BMC Infectious Diseases

ISSN: 1471-2334

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