Adenocarcinoma and wood.

abstract：:The value of exercise during pregnancy is controversial; both benefits and risks have been hypothesized. As empiric evidence is scant, the issue was investigated in a prospective study that assessed the impact on fetal growth of maternal exercise in each trimester of pregnancy. A cohort of over 800 prenatal patients w...

journal_title：American journal of epidemiology

authors： Hatch MC,Shu XO,McLean DE,Levin B,Begg M,Reuss L,Susser M

更新日期：1993-05-15 00:00:00

abstract：:Single patient isolation of adults to prevent spread of infection was studied in five high occupancy community hospitals. The acceptable standard was a guideline for isolation in hospitals, published by the Center for Disease Control (CDC). Overusage of single patient isolation was found to vary between 4% and 96% of ...

journal_title：American journal of epidemiology

authors： Hyams PJ,Ehrenkranz NJ

更新日期：1977-10-01 00:00:00

abstract：:A prospective cohort study was used to quantify risk factors for sports concussions. Analysis was based on a stratified cluster sample of North Carolina high school athletes followed during 1996-1999. Clustering was by school and sport, and the sample included 15,802 athletes with 1-8 seasons of follow-up per athlete....

journal_title：American journal of epidemiology

authors： Schulz MR,Marshall SW,Mueller FO,Yang J,Weaver NL,Kalsbeek WD,Bowling JM

更新日期：2004-11-15 00:00:00

abstract：:The authors studied immune response and exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (dioxin) among veterans of Operation Ranch Hand, the US Air Force unit responsible for the aerial spraying of herbicides in Vietnam from 1962 to 1971. A comparison group of Air Force veterans who served in Southeast Asia but were n...

journal_title：American journal of epidemiology

authors： Michalek JE,Ketchum NS,Check IJ

更新日期：1999-06-01 00:00:00

abstract：:Whether caffeine consumption during pregnancy represents a fetal hazard remains uncertain. The authors report on a large prospective study designed to examine this question. In 1996-2000, 2,291 mothers with singleton livebirths in Connecticut and Massachusetts were evaluated after their first prenatal visit and were q...

journal_title：American journal of epidemiology

authors： Bracken MB,Triche EW,Belanger K,Hellenbrand K,Leaderer BP

更新日期：2003-03-01 00:00:00

abstract：:In some studies, use of vitamin supplements has been inversely associated with the risk of several chronic diseases, but little is known about whether vitamin use affects the risk of diabetes mellitus. Using data from the National Health and Nutrition Examination Survey I Epidemiologic Follow-up Study, the author exam...

journal_title：American journal of epidemiology

authors： Ford ES

更新日期：2001-05-01 00:00:00

abstract：:The Baltimore Eye Survey was a population-based survey conducted from January 1985 to November 1988 among residents of east Baltimore, Maryland, who were 40 years of age or older. A total of 5,308 black subjects and white subjects received a comprehensive screening examination for glaucoma including tonometry, visual ...

journal_title：American journal of epidemiology

authors： Tielsch JM,Katz J,Singh K,Quigley HA,Gottsch JD,Javitt J,Sommer A

更新日期：1991-11-15 00:00:00

abstract：:The availability of DNA fingerprinting techniques for Mycobacterium tuberculosis has led to attempts to estimate the extent of recent transmission in populations, using the assumption that groups of tuberculosis patients with identical isolates ("clusters") are likely to reflect recently acquired infections. It is nev...

journal_title：American journal of epidemiology

authors： Glynn JR,Vynnycky E,Fine PE

更新日期：1999-02-15 00:00:00

abstract：:Large-scale genome-wide association studies (GWAS) have identified over 40 genomic regions significantly associated with type 2 diabetes mellitus. However, GWAS results are not always straightforward to interpret, and linking these loci to meaningful disease etiology is often difficult without extensive follow-up stud...

journal_title：American journal of epidemiology

authors： Greenawalt DM,Sieberts SK,Cornelis MC,Girman CJ,Zhong H,Yang X,Guinney J,Qi L,Hu FB

更新日期：2012-09-01 00:00:00

abstract：:The relation of oral contraceptive (OC) use to the risk of hospitalization for myocardial infarction (MI) was evaluated among 121,964 US nurses who responded to a mail questionnaire. There were 156 women who reported having been hospitalized for MI before the menopause, and 23 (15%) were OC users at the time of the MI...

journal_title：American journal of epidemiology

authors： Rosenberg L,Hennekens CH,Rosner B,Belanger C,Rothman KJ,Speizer FE

更新日期：1980-01-01 00:00:00

abstract：:It has been suggested that smoking does not influence risk of cardiovascular diseases in populations with low serum cholesterol levels. To determine whether cigarette smoking is an independent risk factor among men with low levels of serum cholesterol, data on 25-year coronary, cardiovascular, and all-cause mortality ...

journal_title：American journal of epidemiology

authors： Blanco-Cedres L,Daviglus ML,Garside DB,Liu K,Pirzada A,Stamler J,Greenland P

更新日期：2002-02-15 00:00:00

abstract：:How can the "strengths" of risk factors, in the sense of how well they discriminate cases from controls, be compared when they are measured on different scales such as continuous, binary, and integer? Given that risk estimates take into account other fitted and design-related factors-and that is how risk gradients are...

journal_title：American journal of epidemiology

authors： Hopper JL

更新日期：2015-11-15 00:00:00

abstract：:To examine the reasons for the recent decline in coronary heart disease death rates in New Zealand, a register of definite myocardial infarction and sudden death was established in the Auckland region (1981 population 829,464). Both routine and nonroutine case finding sources were used and event rates for the 12 month...

journal_title：American journal of epidemiology

authors： Beaglehole R,Bonita R,Jackson R,Stewart A,Sharpe N,Fraser GE

更新日期：1984-08-01 00:00:00

abstract：:When waist circumference is taken into account, larger hip circumference is associated with reduced risk factors for diabetes and cardiovascular disease. The authors investigated the prospective association of hip circumference with type 2 diabetes and coronary heart disease (CHD) incidence in a biracial cohort of men...

journal_title：American journal of epidemiology

authors： Parker ED,Pereira MA,Stevens J,Folsom AR

更新日期：2009-04-01 00:00:00

abstract：:The authors assessed the relation between cigarette smoking and nonspecific inflammatory bowel disease in a case-control study of 124 cases of ulcerative colitis, 109 cases of Crohn's disease, and 250 age- and sex-matched control subjects in hospital for acute nongastric or intestinal conditions unrelated to smoking. ...

journal_title：American journal of epidemiology

authors： Franceschi S,Panza E,La Vecchia C,Parazzini F,Decarli A,Bianchi Porro G

更新日期：1987-03-01 00:00:00

abstract：:Determining an accurate method of obtaining complete morbidity data is a long-standing challenge for epidemiologists. The authors compared the accuracy and completeness of existing California hospital discharge data with self-reports of recent hospitalizations and surgeries from participants in the California Teachers...

journal_title：American journal of epidemiology

authors： Marshall SF,Deapen D,Allen M,Anton-Culver H,Bernstein L,Horn-Ross PL,Peel D,Pinder R,Reynolds P,Ross RK,West D,Ziogas A

更新日期：2003-11-15 00:00:00

abstract：:The authors report the results of a case-cohort study of 338 lung cancer deaths in 1950-1988 and a random sample (sub-cohort) of 1,138 from among 16,297 men who had worked at least one year between 1950 and 1979 in manual jobs at a large aluminum production plant. In the past, certain workers were exposed to substanti...

journal_title：American journal of epidemiology

authors： Armstrong B,Tremblay C,Baris D,Thériault G

更新日期：1994-02-01 00:00:00

abstract：:Feline leukemia virus (FeLV)-associated diseases were observed in a household in eastern Connecticut having 134 cats over a period of five and a half years. FeLV-positive cats had a much higher mortality rate (34.6 deaths per 1000 cat-months of follow-up) than did FeLV-negative cats (8.9 deaths per 1000 cat-months of ...

journal_title：American journal of epidemiology

authors： Francis DP,Essex M,Jakowski RM,Cotter SM,Lerer TJ,Hardy WD Jr

更新日期：1980-03-01 00:00:00

abstract：:A number of prospective cohort studies have examined the relations of individual dietary variables to risk of colorectal cancer. Few studies have addressed the broader eating patterns that reflect many dietary exposures working together. Using data from a prospective study of 61,463 women, with an average follow-up pe...

journal_title：American journal of epidemiology

authors： Terry P,Hu FB,Hansen H,Wolk A

更新日期：2001-12-15 00:00:00

abstract：:A population-based case-control study was conducted from 1985 to 1989 in western Washington State to assess the relation between nutrients and the incidence of colon cancer in men and women aged 30-62. A food frequency questionnaire was used to document the usual diet 7 years before diagnosis for 424 cases and at a si...

journal_title：American journal of epidemiology

authors： Meyer F,White E

更新日期：1993-08-15 00:00:00

abstract：:Early-onset cannabis use is widespread in many countries and might cause later onset of depression. Sound epidemiologic data across countries are missing. The authors estimated the suspected causal association that links early-onset (age <17 years) cannabis use with later-onset (age > or =17 years) risk of a depressio...

journal_title：American journal of epidemiology

authors： de Graaf R,Radovanovic M,van Laar M,Fairman B,Degenhardt L,Aguilar-Gaxiola S,Bruffaerts R,de Girolamo G,Fayyad J,Gureje O,Haro JM,Huang Y,Kostychenko S,Lépine JP,Matschinger H,Mora ME,Neumark Y,Ormel J,Posada-Villa J

更新日期：2010-07-15 00:00:00

abstract：:To investigate the relationship of smoking to breast cancer risk, the authors conducted a case-control study involving 1,547 patients and 1,930 controls identified between 1973 and 1980 through a nationwide screening program. There was no evidence that smoking affected risk (relative risk (RR) = 1.2), nor were there a...

journal_title：American journal of epidemiology

authors： Brinton LA,Schairer C,Stanford JL,Hoover RN

更新日期：1986-04-01 00:00:00

abstract：:The relationship between cigarette smoking and risk of cervical neoplasia was evaluated in a case-control study of 183 women with cervical intraepithelial neoplasia compared with 183 age-matched outpatient controls, and of 230 cases of invasive cervical cancer compared with 230 controls in hospital for acute condition...

journal_title：American journal of epidemiology

authors： La Vecchia C,Franceschi S,Decarli A,Fasoli M,Gentile A,Tognoni G

更新日期：1986-01-01 00:00:00

abstract：:Largely on the basis of results from meta-analyses of observational studies, postmenopausal estrogen was widely prescribed to prevent coronary heart disease. However, epidemiologic studies, no matter how consistent and coherent, are not sufficient to recommend mass preventive therapy to healthy women. In fact, all thr...

journal_title：American journal of epidemiology

authors： Barrett-Connor E

更新日期：2007-09-01 00:00:00

abstract：:In the absence of prior knowledge about population relations, investigators frequently employ a strategy that uses the data to help them decide whether to adjust for a variable. The authors compared the performance of several such strategies for fitting multiplicative Poisson regression models to cohort data: 1) the "...

journal_title：American journal of epidemiology

authors： Maldonado G,Greenland S

更新日期：1993-12-01 00:00:00

abstract：:Worldwide, 1-4 per 1,000 births are affected by clubfoot. Clubfoot etiology is unclear, but both genetic and environmental factors are thought to be involved. Low folate status in pregnant women has been implicated in several congenital malformations, and folate metabolism may be affected by polymorphisms in the methy...

journal_title：American journal of epidemiology

authors： Sharp L,Miedzybrodzka Z,Cardy AH,Inglis J,Madrigal L,Barker S,Chesney D,Clark C,Maffulli N

更新日期：2006-11-01 00:00:00

abstract：:The adrenal steroid dehydroepiandrosterone (DHEA) and its sulfate (DHEAS) have been characterized as "protective" against ischemic heart disease (IHD), especially in men, on the basis of sparse epidemiologic evidence. The authors used data from the Massachusetts Male Aging Study, a random sample prospective study of 1...

journal_title：American journal of epidemiology

authors： Feldman HA,Johannes CB,Araujo AB,Mohr BA,Longcope C,McKinlay JB

更新日期：2001-01-01 00:00:00

abstract：:After screening out inappropriate or doubtful covariates on the basis of background knowledge, one may still be left with many potential confounders. It is then tempting to use statistical variable-selection methods to reduce the number used for adjustment. Nonetheless, there is no agreement on how selection should be...

journal_title：American journal of epidemiology

authors： Greenland S

更新日期：2008-03-01 00:00:00

abstract：:The objectives of this study were to evaluate the frequency and determinants of rectal bleeding and the association between rectal bleeding and risk of human immunodeficiency virus (HIV) infection among homosexual/ bisexual men in Mexico City. Men who requested anonymous HIV testing at a public clinic in Mexico City a...

journal_title：American journal of epidemiology

authors： Coplan PM,Gortmaker S,Hernandez-Avila M,Spiegelman D,Uribe-Zuñiga P,Mueller NE

更新日期：1996-11-01 00:00:00

abstract：:Selenium is a trace element associated with antioxidant activity and is considered to be a protective agent against free radicals through enhanced enzyme activity. Studies on selenium and cognitive function or Alzheimer's disease have yielded inconsistent results. A cross-sectional survey of 2,000 rural Chinese aged 6...

journal_title：American journal of epidemiology

authors： Gao S,Jin Y,Hall KS,Liang C,Unverzagt FW,Ji R,Murrell JR,Cao J,Shen J,Ma F,Matesan J,Ying B,Cheng Y,Bian J,Li P,Hendrie HC

更新日期：2007-04-15 00:00:00