Whereas some of the low self-control study members are more likely to be single parents with a very low income and the parent is in poor health and likely to be a heavy substance abuser.
然而，一些自我控制能力低的研究对象更有可能是收入非常低的单亲父母，父母的健康状况很差，很可能是重度药物滥用者。
Methods: A nested case-control study.
方法：采用成组病例对照研究。
Methods: Prospective, double-blind control study.
方法：前瞻性、双盲对照研究。
Methods The randomized control study was performed.
方法采用同期非随机对照试验。
Methods 1: m matched case-control study was conducted.
方法采取1：M匹配的病例对照研究。
Methods Epidemiological field survey and case-control study.
方法采用流行病学现场调查和病例对照研究。
Methods Cross-sectional study and case-control study were performed.
方法现况调查和病例对照研究。
Methods Prevalence survey and case-control study on risk factors was conducted.
方法采用现况调查和危险因素病例对照研究法进行研究。
A Case-control Study of Gastric Cancer and Nutritional Factors in Marseille, France.
病例对照研究胃癌和营养因素，在马赛，法国。
Method This study was underwent with the clinical case-control study of the Epidemiology.
方法采用临床流行病学病例对照研究方法进行研究。
Methods: A 1:1 Case-control study of 139 cases who were in six hospitals of Harbin was used.
方法：对139例在哈尔滨市六大医院住院的经临床确诊的患者进行1：1配比病例对照研究。
Methods Case control study of 544 high risk persons and 448 controls from Beijing, Nanjing, Changchun.
方法来自北京、南京、长春544名性滥者和448名对照进行病例对照研究。
Methods a case-control study was conducted in Xicheng District and Haidian District of Beijing in 2004.
方法于2004年在北京市西城区和海淀区进行病例对照调查。
Relationship between electromagnetic field exposure and dementia: a population-based case-control study.
电磁场暴露与痴呆：基于人群的病例对照研究。
Purpose To explore the risk factors of hepatocellular carcinoma (HCC) with the aid of nested case control study.
目的应用巢式病例对照研究方法，探讨原发性肝癌（HCC）的危险因素。
We carried out a double-blind control study on 52 patients with extra- pyramidal side-effects caused by anti-psychotics.
采用右苄替米特和苯海索对抗精神病药物所致的锥体外系反应52例进行双育对照研究。
A clinical epidemiological case - control study was, therefore, carried out to explore the risk factors of endometriosis.
本课题采用临床流行病学的病例—对照研究方法，以探讨异位症发病的高危因素。
The prevalence survey of hyperlipidemia and its case control study on risk factors were carried out in 903 middle or old person.
对903名中老年人群进行高脂血症的现况调查和危险因素的病例对照研究。
Methods a 1:1 matched case-control study with 50 pairs on risk factors of cataract was carried out in Hefei city and Dingyuan county.
方法采用1：1病例对照研究方法对合肥市及定远县50对老年性白内障及对照进行问卷调查。
Methods a 1:1 matched case-control study was conducted 175 patients with gastric cancer and 175 controls were surveyed by questionnaire.
方法采用1：1配对的病例对照研究，对175对病例及对照进行饮食及生活行为问卷调查。
Dongguashan Copper Mine is the first rockburst-prone deep-seated metal ore deposit in China where rockburst control study has been performed.
冬瓜山铜矿是我国开采的首家有岩爆倾向的深埋硬岩金属矿山，对此开展了岩爆控制研究。
Methods A 1:1 matched case-control study was performed exposure to analyse some exposure factors in home environment that related with asthma.
方法应用1∶1配对的病例对照研究方法，调查和分析家庭环境中与儿童哮喘有关的暴露因素。
A matched case-control study on the relationships between cigarette smoking, alcohol drinking, hypertension and cerebral hemorrhage was conducted.
采用以医院为基础的配比病例对照研究方法，探讨了吸烟、饮酒及高血压与脑出血的关系。
METHOD Adopt case - control and history case - control study, divided delivery women into responsibility midwifery group and traditional midwifery group.
方法采用同期对照和历史对照研究的方法，将产妇分为责任制助产组和传统助产组。
Methods This is a case control study. 40 type 2 diabetic patients with gallstones(DG)and 40 type 2 diabetic patients without gallstones(NDG)were enrolled.
方法采用病例对照研究的方法，观察2型糖尿病伴胆囊结石组（DG）及不伴胆囊结石组（NDG）各40例。
Methods Reviewing investigation was used for the MV coverage rate and immunization efficacy (ve), a case control study was carried for seeking risk factors.
方法采用回顾性调查研究方法计算麻疹疫苗(MV)效力(VE)，采用病例对照研究进行传播因素分析。
The standard materials for the quality control of biochemical drugs are important, and also the hotspot and the emphasis in current pharmaceutical quality control study.
生化药品标准物质是其质量控制体系的重要组成部分，也是当前药品质控研究的热点和重点之一。
Objective To make a retrospective control study of the curative effects of "Four sacral needles" therapy and conventional acupuncture therapy on female stress incontinence.
目的回顾性对照研究“骶四针”疗法和一般针刺方法治疗女性压力性尿失禁的疗效。
Therefore, in order to improve the efficiency of cost control and achieve the cost control effect, we should pay attention to the cost control study in the product design stage.
所以，为了提高成本控制效率，达到成本控制效果，我们应该注重产品设计阶段的成本控制研究。
Objective: Control study by polycystic ovary syndrome (PCOS) patients with clinical manifestations, and endocrine changes, so as to provide effective treatment of PCOS patients.
目的：通过对照研究，探讨多囊卵巢综合征(PCOS)患者的临床表现，及其内分泌变化，从而为PCOS患者提供有效的治疗。
应用推荐