Objective: To determine the prevalence of genital tract Chlamydia trachomatis infection in women and men attending different health care settings in Portsmouth and South East Hampshire.
Design: Prospective, opportunistic screening.
Setting: Multiple health care sites.
Participants: Consenting sexually active women and men.
Intervention: A urine sample was tested for Chlamydia trachomatis and positive patients were offered treatment and partner notification.
Main Outcome Measures: The presence or absence of chlamydia infection according to age, gender, health care setting and reason for attendance.
Results: A total of 14,756 samples were tested giving an overall prevalence of 9.6%. The prevalence was significantly higher in women attending for a termination of pregnancy, antenatal care, women and men attending genitourinary medicine and in those with genital tract symptoms. The prevalence was different for men and women at different ages.
Conclusion: The prevalence of genital Chlamydia trachomatis infection was high but differed at various health care settings and by reason for attendance.
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