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. 2015 Apr 28;5(4):e007276. doi: 10.1136/bmjopen-2014-007276

Table 2.

Bacterial sexually transmitted infection prevalence by age group

Overall
n=296
16–29 years
n=175
30–49 years
n=121
p Value
Chlamydia 60 (20.3%, 95% CI 15.8% to 25.3%) 49 (28.2%, 95% CI 21.5% to 35.3%) 11 (9.2%, 95% CI 4.6% to 15.7%) <0.001
Gonorrhoea 15 (5.1%, 95% CI 2.9% to 8.2%) 11 (6.3%, 95% CI 3.2% to 11.0%) 4 (3.7%, 95% CI 0.9% to 8.2%) 0.333
Syphilis 12 (4.1%, 95% CI 2.1% to 7.0%) 9 (5.1%, 95% CI 2.4% to 9.5%) 3 (2.8%, 95% CI 0.05% to 7%) 0.337