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Table 3 Gonorrhea positivity and associations in men who have sex with men (MSM) 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

  Anal Gonorrhea Pharyngeal Gonorrhea
  Number tested Number positive (%) Crude OR (95% CI) Adjusted ORb(95% CI) Number tested Number positive (%) Crude OR (95% CI) Adjusted ORb(95% CI)
All MSM 5833 178 (3.05)    6980 128 (1.83)   
Year of test a
    0.93 (0.87-1.00) 0.95 (0.88-1.04)    0.99 (0.91-1.07) 1.01 (0.93-1.11)
Age group
< 25 1496 62 (4.14) 2.28 (1.44-3.60) 2.46 (1.54-3.94) 1735 47 (2.71) 1.00 2.68 (1.63-4.41)
25-34 2314 68 (2.94) 1.56 (0.99-2.45) 1.54 (0.96-2.46) 2677 50 (1.87) 0.68 (0.46-1.02) 1.70 (1.05-2.78)
> 35 2022 48 (2.37) 1.00 1.00 2567 31 (1.22) 0.44 (0.28-0.69) 1.00
No. male sexual partners 12 mo
0-1 784 11 (1.40) 1.00 1.00 965 10 (1.04) 1.00  
> 1 4384 144 (3.28) 2.39 (1.29-4.43) 1.83 (0.91-3.64) 5314 107 (2.01) 1.96 (1.02-3.77)  
Condom use 12 mo
always 2093 48 (2.29) 1.00      
sometimes, usually, never 2761 112 (4.06) 1.80 (1.28-2.54)      
No. male sexual partners 3 mo
0-1 1861 36 (1.93) 1.00   2261 29 (1.28) 1.00 1.00
> 1 3465 126 (3.64) 1.91 (1.32-2.78)   4187 94 (2.25) 1.77 (1.16-2.69) 1.63 (1.05-2.54)
Condom use 3 mo
always 2107 54 (2.56) 1.00 1.00     
sometimes, usually, never 2414 101 (4.18) 1.66 (1.19-2.32) 1.64 (1.13-2.39)     
Contact with infection or symptomatic presentation     
No 2425 41 (1.69) 1.00 1.00 2876 29 (1.01) 1.00 1.00
Yes 1960 113 (5.77) 3.56 (2.48-5.11) 3.63 (2.45-5.38) 2468 85 (3.44) 3.50 (2.29-5.36) 3.69 (2.40-5.68)
  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