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METHODS: 5 184 people of non-manual workers and manual workers in city as well as farmers at different sex, aged from 20-59 years, were selected in Shijiazhuang, Cangzhou and Chengde with random sampling of stratified cluster in July 2000. They were assigned into 20-39 year group and 40-59 years group according to age to perform investigation of their physical work, which composed of strength of grasp, anteflexion of body when sitting, standing with single foot when closing eyes, back pressure, vertical jump, 10 m×4 return run, push-up, sit-up and choice of reaction time, etc. RESULTS: 4 800 people were involved in the result analysis.
于2000-07用分层整群的随机抽样方法抽取石家庄、沧州、承德3个城市不同性别的城市非体力劳动者、城市体力劳动者、农民3类职业人群的20～59岁公民5184名，按年龄分为20～39岁组和40～59岁组两组，对其进行体能测查，测查内容包括握力、坐位体前屈、闭眼单脚站立、背力、纵跳、10m×4往返跑、俯卧撑、仰卧起坐、选择反应时等。
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A total of one hundred fifty three healthy male and female adults were entered into a six month,doubleblind clinical study designed to evaluate the effect of a dentifrice containing 0.3% triclosan and 2.0% PVM/MA copolymer in a 0.243% sodium fluoride/silica base, relative to a 0.243% sodium fluoride silica base control dentifrice on supragingival plaque accumulation and gingivitis.
本研究的目的是证实含0.3％三氯羟苯醚，2.0％PVM／MA及0.243％氟化钠以二氧化硅磨料牙膏在减少菌斑积聚和牙龈炎形成方面对中国成年人群的效果。153名健康男女分为实验组及对照组，用双盲法评价6月后临床效果。采用纳入和排除的评价标准后进行了基线检查，实验对象每日使用分配的牙膏和软毛牙刷早晚刷牙一次，3个月和6个月再次检查。检查结果表明，使用含有三氯羟苯醚－共聚体牙膏组与使用不含该成分的对照组相比，实验对象的牙菌斑、牙龈炎指数分别减少16.1％及24.3％，均有统计学显著性意义（P＜0.001）。
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Results a total of7924people from15survey sites of6counties were under fecal examination,the overall infection rate of intestinal helminthes was59.40%.of the discovered16parasite species,11were nematodes,2taeniae and3trematodes.the infection rate of hook worm,trichuris and ascaris were33.18%、31.35%and14.29%,respectively.the mixed infection was serious.the infection rate were higher in age groups of5～9years and10～14years;nationality-based analysis showed infection rates in hans,lis,miaos and huis being48.27%,64.14%,76.36%,and58.96%,respectively;the infection rate in female was higher than that in male.
结果 整群随机抽样全省5个市、县15个点7924人，调查发现人群肠道蠕虫感染率为59.40%，其中土源性线虫感染率为56.22%，查见肠道蠕虫16种，其中线虫11种，绦虫2种，吸虫3种，感染率较高的虫种是钩虫、鞭虫和蛔虫，其感染率分别为33.18%、31.35%和14.29%；多虫感染较严重，感染度以轻度感染为主，感染年龄以5～9岁和10～14岁两组为高；汉、黎、苗、回各民族感染率分率别为48.27%、64.14%、76.36%、58.96%；女性和农村居民感染率明显高于男性和城镇居民。
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And lower than the general Military norms; Private soldiers and corporals get significantly higher scores than sergeants; Service. art, and communication soldiers showed relatively lower mental healthy level; those from rural area get higher scores than those from urban area.
结果：基层武警战士在SCL-90的多个因子分上高于地方人群常模，而低于军人常模；列兵和上等兵SCL-90的多个因子分高于上官；后勤兵、通讯兵和文艺兵等非作战兵SCL-90得分较高；城市来源武警得分高于农村来源武警；文化程度为高中者心理健康水平较低，大专以上者心理健康水平较高；独生子女较非独生子女组存在更多心理健康问题。
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17 545 suhjects aged 45 and above were selected from the data of"2002 China National Nutrition Survey"according to their dietary habit and regional distribution character,who were from southeast seaside,southwest inland and mid inland,including 23 provinces.We analyzed the difference of dietary pattern between the group of hypercholesterolaemia and the group of normal TC level.We also analyzed the dietary effect factors by logistic regress model.
利用2002年中国居民营养与健康状况调查的资料，根据区域分布特点和饮食习惯，抽取东南沿海地区、西南内陆地区和中部内陆地区共23个省的45岁及以上人群17 545名，分析高TC血症和TC正常组的膳食模式差异，并采用logistic回归分析模型分析高TC血症的膳食影响因素。
- 更多网络解释与个人群组相关的网络解释 [注：此内容来源于网络，仅供参考]
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follow?up study：追踪研究
定群研究(cohort study)又称群组研究或追踪研究(follow up study),是将特定的人群按其是否暴露于某因素或按不同暴露水平分为n个组群或队列,追踪观察一定时间,比较两组或各组的发病率或死亡率,以检验该因素与某疾病联系的假设.
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personal groups：个人群组
personal effects 动产 | personal groups 个人群组 | personal growth 个人成长
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phase alternation line：逐行倒相制
1736personal groups个人群组 | 1737phase alternation line逐行倒相制 | 1738phosphor coating磷光层