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. Author manuscript; available in PMC: 2025 Apr 1.
Published in final edited form as: Sex Transm Dis. 2024 Jan 23;51(4):254–259. doi: 10.1097/OLQ.0000000000001931

Table 2:

Self-reported recent condomless sex for men and women at enrollment and six months

Women’s Reports
RCSa Reported No RCS Reported Unreportedb
Men’s Reports n (%) n (%) n (%) PABAKc (95% CI)

Enrollment Visit (n=499) 0.94 (0.91, 0.97)
 RCS Reported 82 (16.4) 6 (1.2) 0 (0.0)
 No RCS Reported 9 (1.8) 398 (79.8) 3 (0.6)
 Unreported 0 (0.0) 1 (0.2) 0 (0.0)

Six-Month Visit (n=472) 0.98 (0.96, 1.00)
 RCS Reported 27 (5.7) 2 (0.4) 0 (0.0)
 No RCS Reported 3 (0.6) 433 (91.7) 0 (0.0)
 Unreported 0 (0.0) 3 (0.6) 4 (0.9)
a

Recent condomless sex (RCS) is defined as self-reported penile-vaginal sex without the use of a condom in the past 2 days.

b

Participants who did not answer all components needed to assess recent RCS.

c

Prevalence-Adjusted Bias-Adjusted Kappa (PABAK) measures agreement between men’s and women’s reports of RCS. This calculation excludes couples in which either partner is “unreported.”