نتایج جستجو برای: respondent driven sampling

تعداد نتایج: 438067  

2012
Meizhen Liao Xijuan Nie Rongjian Pan Chuangxin Wang Shiman Ruan Changqing Zhang Dianming Kang Jihua Fu Yuesheng Qian Xiaorun Tao Jinkou Zhao

BACKGROUND Routine surveillance using convenient sampling found low prevalence of HIV and syphilis among female sex workers in China. Two consecutive surveys using respondent driven sampling were conducted in 2008 and 2009 to examine the prevalence of HIV and syphilis among female sex workers in Jinan, China. METHODS A face-to-face interview was conducted to collect demographic, behavioral an...

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