危险因素

Results Being younger at menarche, oral contraceptives intake, family history ofbreast cancer, benign breast disease history, passive smoking, pork meat and preservedfoods intakes were significantly associated with an increased risk of breast cancer.Drinking green tea more than 20 years, physical exercises, soybean foods and fresh fruitsintake could decrease the risk of breast cancer.

结果本研究发现月经初潮年龄早、第一次性生活年龄早、口服避孕药服用史、乳腺癌家族史、良性乳腺疾病家族史、良性乳腺疾病史、被动吸烟史、饮酒史、接触农药史、猪肉及腌制品年摄入量高可能是女性乳腺癌的危险因素；保护因素有饮茶年数长、青春期及近10年经常参加体育锻炼、鲜奶、新鲜豆类和水果年摄入量高。

Master: the cariogenic mechanism of the major cariogenic bacteria;Susceptible host in the risk factors for dental Caries;methods of dental plaque control

掌握：致龋菌的主要作用及其机制；龋病危险因素中的宿主因素；牙菌斑控制的方法。

Univariate and multivariate Logistic regression model were used to identify risk factors.

采用多因素Logistic回归分析可能存在的危险因素。

The major risk factors included multiple previous pregnancies and abortion、delivery out of hospital and pre-eclampsia .

结果：产科失血性休克的发生率为0.65%，胎盘因素是失血性休克的主要原因；主要的危险因素是多次妊娠和流产、院外分娩及重度子痫前期。

HsCRP is one of critical factors of hypertensive disease, and with the constitution the quantity exceeds fat of mark, smoking, blood structure of disorder, heart is mixed the function is unusual etc the element is relevant.

结论hsCRP是高血压病的危险因素之一，并且和体质量超标、吸烟、血脂紊乱、心脏结构和功能异常等因素相关。

A conditional logistic regression showed breast-feeding、time of adding supplemented food、father' occupation、radio set、often eating vegetable and egg to be positive factors,however, disease、diarrhea in tow wages to be risk factors.

经条件的Logistic分析，选入模型的有9个变量，母乳喂养、正确添加辅食时间、父亲的职业、家中有收音机、经常吃蔬菜、每周摄入鸡蛋的频率是营养不良的保护因素，而经常生病、两周内患腹泻及其他疾病是营养不良的危险因素。

Logistic regression analysis was used to identify risk factors for adult-onset asthma and changes over time.

进行Logistic回归分析以鉴别成人型哮喘的危险因素以及这些因素随着时间的变化情况。

Recent systematic reviews of population-based studies show only moderate geographical variations in stroke incidence in the world.55 Most of the stroke incidence in developing countries is likely accounted for by the increasing prevalence of conventional risk factors such as hypertension, diabetes, hypercholesterolaemia, and smoking as populations adopt a more urbanised lifestyle.

近期对以人群为基础的研究进行的系统性回顾表明，世界上脑卒中发病率只有轻微的地域差异性。55发展中国家大部分的卒中发病原因可能是其传统危险因素，如高血压、糖尿病、高胆固醇血症、吸烟。这些因素随着人们采取更都市化的生活方式而日益流行。

There were significant positive correlations between copper and zinc, and copper and mag...

影响CP者生育力的可能危险因素是铜和铁，保护因素是硒。

The interaction of hazard factor and safety factor creates the risk level

风险的等级是由危险因素和安全因素的相互作用而产生的。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷