自人类基因组计划开展后，以人群为基础的研究成为遗传学研究的一个热点。
Since the development of Human Genome Project, the population-based research has become a hot topic in the genetics field.
特别是在以人群为基础的研究中有显著正相关性，在病例和对照中相关性较低，但在住院病人研究中这种相关性较高。
In particular, a significant positive association was present in population-based studies, which had lower response rates in cases and controls, but not in hospital-based studies.
2003年至2005年进行的前瞻性以人群为基础的群组研究项目在研究地区招募了怀孕20—26周的妇女。
Study area women were enrolled at 20-26 weeks' gestation in a prospective population-based cohort study that was conducted from 2003 to 2005.
通过研究地区中主要当地医院的通告和与以人群为基础的癌症登记相关的资料估计癌症发病率。
Cancer incidence was assessed by notification from major local hospitals in the study area and data linkage with population-based cancer registries.
研究设计：以人群为基础的流行病学研究。
据作者所知，现在很少有以人群为基础的关于结直肠癌扫描试验连续应用的研究，而在特殊的时期，这个是被推荐的。
BACKGROUND. To the authors' knowledge, few population-based studies to date have considered the serial use of colorectal cancer screening tests, which are usually recommended at specific intervals.
研究表明以社区为基础，以人群为目标的预防慢性病的健康促进活动是控制心脑血管病发病和死亡的有效、经济的措施。
The results indicated that the community based health promotion project was an effective and economic approach to the prevention and control of non communicable disease.
流动人口已成为艾滋病预防干预的重点人群，研究探讨了在该人群中开展以理论为基础的艾滋病心理行为干预的有效模式。
Rural-to-urban migrants are the vulnerable population in HIV transmission and infection. The study explored the effective theory-based HIV prevention intervention model in the population.
流动人口已成为艾滋病预防干预的重点人群，研究探讨了在该人群中开展以理论为基础的艾滋病心理行为干预的有效模式。
Rural-to-urban migrants are the vulnerable population in HIV transmission and infection. The study explored the effective theory-based HIV prevention intervention model in the population.
应用推荐