Methods Stratified sampling methods were used to carry out the prevalence study of maternity and child care for women at child bearing-age in Luochuan County and Bin County.
方法采用分层抽样，抽取洛川、彬县育龄妇女入户进行妇幼保健现状问卷调查。
One large scale study in Maryborough, Victoria, Australia showed the prevalence of mid-frontal baldness increases.
在澳大利亚维多利亚州马里伯勒进行的一项大规模研究表明，中额秃顶的患病率呈上升趋势。
However, no study on the prevalence of infertility has been conducted in this area.
但是，在这个地区不曾进行过任何关于不孕症流行情况的研究。
There are no reliable global prevalence figures, but a 2005 study estimated a global incidence of 0.97 per 1000 live births based on research in the United States of America (USA).
目前尚无可靠的全球发病率数据，但2005年的一项研究显示，根据美国的研究，全球的发病率为每1000例活产0.97人。
In a national study of the prevalence of psychiatric disorders, three-quarters of those diagnosed with major depression had at least one other diagnosis.
对全国精神疾病患病率的研究，他们认为主要诊断为抑郁症的病人中约有四分之三的病人，至少可以诊断出他们还患有其他的疾病。
The study of 25, 000 people provides further evidence of the prevalence of ‘ yo-yo dieting ’ where slimmers get into a cycle of losing weight and regaining it.
该研究进一步印证了“溜溜球节食效应”的流行，它是指减肥者陷入反复减肥的恶性循环。 共有2.5万人参与了此项调查。
In addition to the alarming statistics on prevalence, the 2009 CDC study headed by Rice contained some additional interesting information.
除了患病率方面惊人的统计数字之外，以rice为首的2009年CDC的研究包含着一些有趣的信息。
Comment: in a previous epidemiological study, the prevalence of dysmenorrhea was inversely associated with dietary intake of both fish oil and vitamin B12.
评论：在先前的流行病史研究中，痛经的发生几率与日常饮食中摄取的鱼油和维生素b 12呈现负相关关系。
The study estimated that men smoke nearly five times as much as women worldwide, but the ratios of female-to-male smoking prevalence rates vary dramatically.
该研究估计，全世界男性吸烟人数几乎是女性吸烟人数的五倍，但各个国家的男女吸烟人数的比率却相差甚大。
In a study published in the March Pediatrics, investigators looked at the prevalence of food and beverage brands in movies released between 1996 and 2005.
在三月出版的《小儿科》的一篇论文中，对1996年至2005年电影中各大食品和饮料品牌的出现频度进行了调查。
Most interestingly, the study found that dream prevalence, recurrence and regularity do not always correspond.
最有趣的是，这项研究发现，梦境的普遍性、反复性和规律性并不总是保持一致的。
The last study that looked at national prevalence of diabetic retinopathy was done between 1988 and 1994.
最近的一次关于糖尿病视网膜病变患病率的研究是在1988年到1994年之间完成的。
We do need to do this type of study in the U.S.... Until we do, we won't know what the population prevalence is.
我们需要在美国做此类研究。直到我们做过，我们才会知道全面的患病率。
The purpose of this study was to evaluate the prevalence of KIT expression in patients with SCLC and its prognostic value.
这项研究的目的是评估在小细胞肺癌患者中KIT表达的普遍性和它的预后价值。
And dat least one study suggests that this explains the gender difference in the prevalence of depression.
至少有一份研究表明，这一原因可以解释两性在抑郁患病率上的差别。 ℐ。
Objective to study the prevalence factors for leptospirosis in flood-hit areas in Hunan Province.
目的研究湖南省洪涝灾害高发地区钩端螺旋体病的流行因素。
Despite the high prevalence of back pain and intensive study in this area, little is known about the pathogenesis of some types of LBP (especially mechanical LBP).
尽管腰痛的发生率很高且该领域研究众多，但一些类型的下腰痛的发病机制仍然不甚了了(特别是机械性的下腰痛)。
OBJECTIVE For anin-depth study of the prevalence of rabies, mastering pop dynamics and morbidity trends and providing scientific basis for the prevention strategy.
目的为了深入研究狂犬病的流行规律，掌握流行动态及发病趋势，为制订防治策略提供科学依据。
The aim of the present study was to assess the prevalence of valvular heart disease in patients treated with dopamine agonists for prolactinomas.
目前的研究目的是评估使用多巴胺激动剂治疗的泌乳素瘤病人瓣膜性心脏病的患病率。
Objective To systemically study the prevalence and the control of endemic fluorosis in Guizhou Province to provide the scientific data for formulating the countermeasures for controlling the endemic.
目的全面了解贵州省燃煤型地方性氟中毒流行现状，为制定全省地方性氟中毒（地氟病）防制策略和规划提供基础资料。
Objective: to study the prevalence of sleep disorder and the effective factors of sleep disorder for children aged 0 ~ 5 years old in Chongqing.
目的：了解重庆市0 ~ 5儿童睡眠状况及睡眠障碍发生情况，分析影响儿童睡眠的常见因素。
OBJECTIVE This study aims at investigating the prevalence of elderly depression and the status of elderly self evaluation, social sustainment.
目的探讨老年人抑郁症患病率与自评状况及社会支持的关系。
Objective To study the ADL status and prevalence of medical conditions in aged population in Shanghai, and to analyze the impact of dementia syndrome and other illnesses to ADL performance.
目的调查上海市老人日常生活能力（ADL）状况及各类疾病发生率，分析痴呆综合征与其他疾病对老人ADL的影响。
To learn the outbreak situation of legal infectious diseases in Fuzhou in 2004, study its prevalence trend and evaluate preventive effect.
目的了解福州市2004年法定传染病发病现状，探讨其流行趋势，评价防治效果。
Objectives This study aims at investigating the relationship between elderly self-perceiving, social support and the prevalence of Geriatric Depression.
目的：探讨老年人抑郁症患病率和自评状况及社会支持的关系。
Objective to study family environmental factors to the prevalence of pupils' behavioral problems and to provide basis for their mental health education and interventions.
目的了解小学生行为问题流行现状及其家庭环境的影响因素，为开展心理健康教育及提出干预措施提供依据。
Objective to study family environmental factors to the prevalence of pupils' behavioral problems and to provide basis for their mental health education and interventions.
目的了解小学生行为问题流行现状及其家庭环境的影响因素，为开展心理健康教育及提出干预措施提供依据。
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