August 12, 2010
In the current study, the researchers assessed changes in condom use rate and number of sex partners among 140 female sex workers in Kibera, Kenya, who participated in a six-month study of diaphragm use to prevent STDs during 2004-2005.
Analyses were stratified by partner type, and multivariable Tobit regression modeling was employed to assess an association between study visit and proportion of acts protected.
The female sex workers completed 140 baseline visits and 390 bi-monthly follow-up visits.
The mean coital acts reported as protected by a condom rose from 56 percent at baseline to 68 percent at the six-month visit (P
"These findings suggest that, despite concerns that introduction of the diaphragm would result in more risky sexual behaviors, reported condom use increased and number of partners decreased," the authors concluded.
American Journal of Epidemiology
07.26.2010; doi:10.1093/aje/kwq158; Maria F. Gallo; Lee Warner; April J. Bell; Jeffrey Wiener; David A. Eschenbach; Elizabeth A. Bukusi; Anjali Sharma; Betty Njoroge; Elizabeth Ngugi; Denise J. Jamieson
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