testing for amphetamine-type stimulant (ats) use to ascertain validity of self-reported ats use among young female sex workers in cambodia测试非兴奋剂(ats)用来确定自我报告的有效性at柬埔寨在年轻女性性工作者使用.pdfVIP

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testing for amphetamine-type stimulant (ats) use to ascertain validity of self-reported ats use among young female sex workers in cambodia测试非兴奋剂(ats)用来确定自我报告的有效性at柬埔寨在年轻女性性工作者使用.pdf

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testing for amphetamine-type stimulant (ats) use to ascertain validity of self-reported ats use among young female sex workers in cambodia测试非兴奋剂(ats)用来确定自我报告的有效性at柬埔寨在年轻女性性工作者使用

Kab et al. Addiction Science Clinical Practice 2012, 7:11 /content/7/1/11 RESEARCH Open Access Testing for amphetamine-type stimulant (ATS) use to ascertain validity of self-reported ATS use among young female sex workers in Cambodia 1 2 3 2 2 4 Vannda Kab , Jennifer Evans , Neth Sansothy , Ellen Stein , Marie Claude-Couture , Lisa Maher and Kimberly Page2* on behalf of the Young Women’s Study Collaborative Abstract Objective: To assess concordance between self-reported amphetamine-type stimulant (ATS) use and toxicology results among young female sex workers (FSW) in Phnom Penh, Cambodia. Methods: Cross-sectional data from the Young Women’s Health Study-2 (YWHS-2), a prospective study of HIV and ATS use among young (15 to 29 years) FSW in Phnom Penh, Cambodia, was analyzed. The YWHS-2 assessed sociodemographic characteristics, HIV serology, HIV risk, and ATS use by self-report and urine toxicology testing at each quarterly visit, the second of which provided data for this assessment. Outcomes include sensitivity, specificity, positive- and negative predictive values (overall and stratified by age), sex-work setting, and HIV status. Results: Among 200 women, prevalence of positive toxicology screening for ATS use was 14% (95% confidence interval [CI], 9.2, 18.9%) and concurrent prevalence of self-reported ATS was 15.5% (95% CI, 10.4, 20.6%). The sensitivity and specificity of self-reported ATS use compared to positive toxicology test results was 89.3% (25/28), and 96.5% (166/172), respectively. The positive predictive value of self-reported ATS use was 80.6% (25/31); the negative predictive value was 98.2% (166/169). Some differences in concordance between self-report and urine to