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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Sex Transm Dis. 2012 Oct;39(10):756–760. doi: 10.1097/OLQ.0b013e318265a951

TABLE 3.

Associations Between Selected Errors/Problems and Condom Breakage/Slippage

Outcome
No. (%) Est OR 95% CI P

Breakage
Condom dried out during sex
Yes (n = 1475) 223 (15.1) 5.57 4.09, 7.58 [lt]0.0001
No (n = 9553) 264 (2.8) Reference
Condom contacted sharp object
Yes (n = 318) 55 (17.3) 5.42 3.46, 8.48 [lt] 0.0001
No (n = 10,710) 432 (4.0) Reference
Slippage
Erection loss during sex
Yes (n = 1144) 171 (14.9) 4.63 3.39, 6.31 [lt]0.0001
No (n = 9884) 307 (3.1) Reference
Condom dried out during sex
Yes (n = 1475) 166 (11.3) 3.05 2.33, 4.00 [lt]0.0001
No (n = 9553) 312 (3.3) Reference

Raw numbers and percentages are presented for descriptive purposes to indicate the frequencies of breakage and slippage across sex events among those with and without selected errors/problems. However, to account for nonindependence of outcomes across repeated sex events for the same persons, odds ratios comparing those with and without the errors/problems are estimated (Est OR); 95% confidence intervals (CI) are provided; and P values are obtained via generalized estimating equations.