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The association between region of birth and sexually transmitted infections among black Caribbean people attending sexual health services in England, 2015.
Harb AK, Mohammed H, Furegato M, Wayal S, Mercer CH, Hughes G.
Background/Introduction In England, people of Black Caribbean (BC) ethnicity are disproportionately affected by sexually transmitted infections (STIs), but it is unclear whether this varies by their region of birth. Aim(s)/Objectives To examine differences in STI diagnoses among UK- and Caribbean-born BC people. Methods Data on STI diagnoses in BC people attending specialist sexual health services (SHSs) during 2015 and living in England were obtained from the GUMCAD STI surveillance system, the national surveillance system for STIs in England. Associations between being UK- or Caribbean-born and each of several STI diagnoses were examined, using univariate and multivariable generalised estimated equations logistic regression models adjusted for sexual orientation, place of residence (London vs. non-London), HIV status, area-level deprivation, and STI diagnosis in the last year. All analyses were stratified by age (<25 vs. ≥25 years). Results In 2015, 63,568 BC people made 108,881 attendances at specialist SHSs; 81.9% of these attendances were made by UK-born BCs. The median age (years) was 26 for UK-born and 35 for Caribbean-born people (p≤0.001). Chlamydia, gonorrhoea and non-specific genital infection (NSGI) were the most commonly diagnosed STIs among UK- (5.8%, 2.1% and 2.8%) and Caribbean-born people (4.5%, 1.7% and 3.5%) respectively. Among BCs aged under 25, no significant differences in STIs were found between UK- and Caribbean-born people. Among BCs aged ≥25, compared to Caribbean-born people, those who were UK-born were more likely to be diagnosed with chlamydia (AOR 1.15 [95%C.I. 1.04–1.27]); gonorrhoea (AOR 1.23 [95%C.I. 1.06–1.45]) and genital herpes (AOR 1.23 [95% C.I. 1.10–1.56]) and less likely to be diagnosed with NSGI (AOR 0.89 [95% C.I. 0.80–0.99]) and Trichomoniasis (AOR 0.84 [95% C.I. 0.71–0.99]). Discussion/Conclusion STI diagnoses in BC people aged ≥25 attending specialist SHSs vary by region of birth. Country of birth may have an influence on social and sexual networks and therefore transmission of STIs.