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Table 1 Chlamydia positivity and associations in men who have sex with women (MSW) attending MSHC 2002-2009

From: Trends in chlamydia and gonorrhea positivity among heterosexual men and men who have sex with men attending a large urban sexual health service in Australia, 2002-2009

Variable

Number tested

Number positive (%)

Crude OR (95% CI)

Adjusted ORb(95% CI)

All MSW

17769

1310 (7.37)

  

Year of test a

   

1.03 (1.01-1.06)

1.04 (1.01-1.07)

Age group

< 25

4310

433 (10.05)

1.00

1.00

25-34

7908

632 (7.99)

0.78 (0.68-0.88)

0.79 (0.68-0.91)

> 35

5549

245 (4.42)

0.41 (0.35-0.49)

0.39 (0.32-0.46)

No. female sexual partners 12 mo

0-1

4263

172 (4.03)

1.00

1.00

> 1

12698

1089 (8.58)

2.23 (1.89-2.63)

2.11 (1.75-2.5)

Condom use 12 mo

always

2583

88 (3.41)

1.00

 

sometimes, usually, never

13883

1167 (8.41)

2.60 (2.09-3.24)

 

No. female sexual partners 3 mo

0-1

9499

565 (5.95)

1.00

 

> 1

7470

696 (9.32)

1.62 (1.45-1.82)

 

Condom use 3 mo

always

3024

110 (3.64)

1.00

1.00

sometimes, usually, never

12277

1117 (9.10)

2.65 (2.17-3.24)

2.78 (2.23-3.46)

Contact with infection or symptomatic presentation

No

6546

258 (3.94)

1.00

1.00

Yes

8650

937 (10.83)

2.96 (2.57-3.41)

3.34 (2.89-3.88)

  1. a The odds ratio (OR) shows the association with chlamydia with each additional calendar year.
  2. b Adjusted for age, number of sexual partners last 12 months, condom use last 3 months and contact history or symptomatic presentation.
  3. OR = odds ratio, MSHC Melbourne Sexual Health Centre, mo = months