Objective: To determine the association between oral contraceptive and condom use, and laboratory-confirmed sexually transmitted infection (STI) among African-American adolescent females at a high risk of STI acquisition.
Methods: A cross-sectional study of 715 African-American adolescent females (15–21 years old) was conducted. Data collection included (a) an audio-computer-assisted self-interview and a self-collected vaginal swab for nucleic acid amplification testing of Trichomonas vaginalis, Chlamydia trachomatis and Neisseria gonorrhoeae.
Results: The age-adjusted odds ratio (AOR) indicated a modest protective effect of oral contraceptive use against unprotected vaginal sex (UVS) using a 60-day recall period (AOR = 0.66; 95% CI 0.43 to 0.99). The age-adjusted difference in mean frequency of UVS in the past 60 days was non-significant (p = 0.23) as was condom use at last sex (p = 0.34). The age-AOR relative to STI prevalence also showed a protective effect (AOR = 0.60; 95% CI 0.36 to 0.98) for those using oral contraceptives.
Conclusion: The findings suggest that the use of oral contraceptives may not preclude safer sex practices for the prevention of STIs among high-risk African-American adolescent females.
- STI, sexually transmitted infection
- UVS, unprotected vaginal sex
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Funding: Funding for the study was awarded to RJD and GMW.
Competing interests: None declared.
Study implementation and oversight was conducted by RJD, GMW and JM-S as well as ER. RAC and LFS analysed the data and interpreted the findings. RAC, LFS and RJD conceived the analyses and prepared the manuscript.