"First-wave" bias when conducting active safety monitoring of newly marketed medications with outcome-indexed self-controlled designs.

abstract：:According to antibody analysis, approximately two of every three intravenous drug users in Iceland have become infected with hepatitis C virus (HCV). In this study, serum samples from 55 HCV antibody-positive intravenous drug users (39 males and 16 females) were analyzed by polymerase chain reaction, and the viral str...

journal_title：American journal of epidemiology

authors： Löve A,Sigurdsson JR,Stanzeit B,Briem H,Rikardsdottir H,Widell A

更新日期：1996-03-15 00:00:00

abstract：:Second malignancies in women diagnosed with thyroid cancer are of concern given the young average age at diagnosis and excellent survival. Data from the California Cancer Registry were used to evaluate the risk of second primary cancers among a retrospective population-based cohort of 10,932 women diagnosed with papil...

journal_title：American journal of epidemiology

authors： Canchola AJ,Horn-Ross PL,Purdie DM

更新日期：2006-03-15 00:00:00

abstract：:In this study, the authors' objective was to determine whether serum concentrations of polychlorinated biphenyls (PCBs), hexachlorobenzene, p,p'-dichlorodiphenyl trichloroethane (DDT), o,p'-DDT, and p,p'-dichlorodiphenyl dichloroethylene (DDE) are associated with thyroid function during pregnancy. These compounds, as ...

journal_title：American journal of epidemiology

authors： Chevrier J,Eskenazi B,Holland N,Bradman A,Barr DB

更新日期：2008-08-01 00:00:00

abstract：:On November 7, 1985, a Clostridium perfringens gastroenteritis outbreak occurred in approximately 44% of the 1,362 employees at a Connecticut factory. Although the same foods were served to all three shifts at an employee banquet on November 6, the attack rate was almost twice as high for those who ate on the day shif...

journal_title：American journal of epidemiology

authors： Petersen LR,Mshar R,Cooper GH Jr,Bruce AR,Hadler JL

更新日期：1988-03-01 00:00:00

abstract：:Seventeen-year mortality data from the Alameda County Study are used to examine the relative importance of social ties as predictors of survival at different ages, ranging from 38-94 years at baseline. Previous analyses of Alameda County data by Berkman and Syme (Am J Epidemiol 1979;109:186-204) have shown that such t...

journal_title：American journal of epidemiology

authors： Seeman TE,Kaplan GA,Knudsen L,Cohen R,Guralnik J

更新日期：1987-10-01 00:00:00

abstract：:Vitamin B12 (hereafter referred to as B12) deficiency in pregnancy is prevalent and has been associated with both lower birth weight (birth weight <2,500 g) and preterm birth (length of gestation <37 weeks). Nevertheless, current evidence is contradictory. We performed a systematic review and a meta-analysis of indivi...

journal_title：American journal of epidemiology

authors： Rogne T,Tielemans MJ,Chong MF,Yajnik CS,Krishnaveni GV,Poston L,Jaddoe VW,Steegers EA,Joshi S,Chong YS,Godfrey KM,Yap F,Yahyaoui R,Thomas T,Hay G,Hogeveen M,Demir A,Saravanan P,Skovlund E,Martinussen MP,Jacobsen G

更新日期：2017-02-01 00:00:00

abstract：:A comparison between prescriber records and patient-reported oral contraceptive histories obtained during a case-control study of thromboembolism and oral contraceptive use served as the basis for evaluating the extent of agreement between these two sources of information. Agreement between oral contraceptive user and...

journal_title：American journal of epidemiology

authors： Stolley PD,Tonascia JA,Sartwell PE,Tockman MS,Tonascia S,Rutledge A,Schinnar R

更新日期：1978-03-01 00:00:00

abstract：:The authors conducted a population-based case-control study to investigate whether clinically observed chickenpox, linked with a level of intensity for clinical expression, increases the risk of multiple sclerosis (MS) in childhood. The cases were MS patients whose disease onset occurred between 1994 and 2003, before ...

journal_title：American journal of epidemiology

authors： Mikaeloff Y,Caridade G,Suissa S,Tardieu M,KIDSEP Study Group.

更新日期：2009-05-15 00:00:00

abstract：:Inflammatory bowel disease refers to a group of chronic diseases of unknown etiology related to both genetic and environmental factors. In this 1990-1993 study, the authors investigated associations between the content and quality of drinking water and the incidence of inflammatory bowel disease. They used data from a...

journal_title：American journal of epidemiology

authors： Aamodt G,Bukholm G,Jahnsen J,Moum B,Vatn MH,IBSEN Study Group.

更新日期：2008-11-01 00:00:00

abstract：:As economic development increases, puberty occurs at younger ages, and this could contribute to an increase in the incidence of cardiovascular diseases and hormone-related cancers. The factors that determine pubertal timing are poorly understood. The growth axis that is active during puberty is active in the first 6 m...

journal_title：American journal of epidemiology

authors： Kwok MK,Leung GM,Lam TH,Schooling CM

更新日期：2011-06-15 00:00:00

abstract：:Little is known about the U-shaped relation between alcohol intake and health beyond findings related to cardiovascular disease. Medically certified sickness absence is a health indicator in which coronary heart disease is only a minor factor. To investigate the relation between alcohol intake and sickness absence, re...

journal_title：American journal of epidemiology

authors： Vahtera J,Poikolainen K,Kivimäki M,Ala-Mursula L,Pentti J

更新日期：2002-11-15 00:00:00

abstract：:Sizes at birth of parents and their children are known to be correlated, reflecting in part the influence of fetal and maternal genes. Sociodemographic factors, regarded as aspects of the shared environment across generations, would also be expected to contribute, but evidence is limited. In the present study, the aut...

journal_title：American journal of epidemiology

authors： De Stavola BL,Leon DA,Koupil I

更新日期：2011-07-01 00:00:00

abstract：:Within the past decade, the infection control nurse (ICN) has become an important element in organized infection surveillance and control programs. Before 1970, only a few hospitals (6%) had an ICN, but, by 1977, over 80% had hired at least one ICN, the majority of those hospitals having done so since 1973. To determi...

journal_title：American journal of epidemiology

authors： Emori TG,Haley RW,Stanley RC

更新日期：1980-05-01 00:00:00

abstract：:The determinants of individuals changes in gamma-glutamyltransferase (GGT) were examined in 1,171 males and 1,267 females in Tromsø, Norway, according to a 7-year longitudinal design. The basis for the study was two comprehensive population surveys in 1979-1980 and 1986-1987. In both sexes, increase in GGT displayed a...

journal_title：American journal of epidemiology

authors： Nilssen O,Førde OH

更新日期：1994-04-15 00:00:00

abstract：:This report describes the development of hypertension among 1,270 males (aged 23-80 years at the time of entry into the study) observed prospectively for 10 years who had a baseline blood pressure of less than 140/90 mmHg and who underwent baseline spirometry. Subjects were participants in the Normative Aging Study, a...

journal_title：American journal of epidemiology

authors： Sparrow D,Weiss ST,Vokonas PS,Cupples LA,Ekerdt DJ,Colton T

更新日期：1988-04-01 00:00:00

abstract：:To investigate whether use of electric blankets, one of the largest sources of electromagnetic field exposure in the home, is associated with the risk of female breast cancer, the authors analyzed data from a population-based US case-control study. The 2,199 case patients were under age 55 years and had been newly dia...

journal_title：American journal of epidemiology

authors： Gammon MD,Schoenberg JB,Britton JA,Kelsey JL,Stanford JL,Malone KE,Coates RJ,Brogan DJ,Potischman N,Swanson CA,Brinton LA

更新日期：1998-09-15 00:00:00

abstract：:Ambient levels of particulate matter have been linked to cardiovascular disease. The mechanisms mediating these associations are poorly understood. One candidate mechanism is inflammation. Using data from the Multi-Ethnic Study of Atherosclerosis (2000-2002), the authors investigated the relation between exposure to p...

journal_title：American journal of epidemiology

authors： Diez Roux AV,Auchincloss AH,Astor B,Barr RG,Cushman M,Dvonch T,Jacobs DR Jr,Kaufman J,Lin X,Samson P

更新日期：2006-09-01 00:00:00

abstract：:A model for a two-stage selection program based upon normally distributed variables is examined. Subjects in the upper part of the distribution of first-stage observations are retained and subsequently observed an additional number of times in a second stage. Subjects in the upper part of the distribution of second-st...

journal_title：American journal of epidemiology

authors： McMahan CA

更新日期：1982-08-01 00:00:00

abstract：:Despite growing interest and concern about men's mental health during the perinatal period, we still do not know whether men are more vulnerable to mental health problems during this time. The current study is one of the first to use longitudinal, population-based data to investigate whether becoming an expectant and/...

journal_title：American journal of epidemiology

authors： Leach LS,Olesen SC,Butterworth P,Poyser C

更新日期：2014-09-15 00:00:00

abstract：:In systematic studies of the molecular epidemiology of tuberculosis, DNA fingerprinting is used to estimate the fraction of incident cases attributable to recent transmission of Mycobacterium tuberculosis rather than reactivation disease and to identify risk factors for recent transmission. This approach is based on t...

journal_title：American journal of epidemiology

authors： Murray M,Alland D

更新日期：2002-03-15 00:00:00

abstract：:Earlier studies report inconsistent associations between education and cognitive aging. We assessed the association, accounting for selective dropout due to death or dementia, and, in a subsample, accounting for confounding by early-life intelligence. Data from the Danish component of the Survey of Health, Ageing and ...

journal_title：American journal of epidemiology

authors： Foverskov E,Glymour MM,Mortensen EL,Holm A,Lange T,Lund R

更新日期：2018-11-01 00:00:00

abstract：:Human immunodeficiency virus (HIV) incidence rates in India were estimated using a new method that accounts for follow-up bias. Follow-up bias arises in epidemiologic cohort studies when the incidence rate among individuals who do and do not return for follow-up are different. The new method combines data on the preva...

journal_title：American journal of epidemiology

authors： Brookmeyer R,Quinn T,Shepherd M,Mehendale S,Rodrigues J,Bollinger R

更新日期：1995-10-01 00:00:00

abstract：:The objective of this study was to determine whether a less favorable risk factor pattern for cardiovascular disease among persons with impaired glucose tolerance could be explained by fasting insulin, obesity, and/or a central distribution of body fat. Between 1984 and 1988, cardiovascular risk factors were examined ...

journal_title：American journal of epidemiology

authors： Burchfiel CM,Shetterly SM,Baxter J,Hamman RF

更新日期：1992-11-01 00:00:00

abstract：:The authors conducted an investigation to determine the extent and source of an outbreak of Salmonella typhimurium gastroenteritis that occurred following a community picnic in Juneau, Alaska, in 1992, and to evaluate risk factors for illness. A case-control study among 54 picnic attendees and a retrospective cohort s...

journal_title：American journal of epidemiology

authors： Gessner BD,Beller M

更新日期：1994-05-01 00:00:00

abstract：:In view of the carcinogenic potential and widespread use of conjugated estrogens (CEs), this study evaluated patterns and determinants of oral ambulatory CE use. Among 1273 women 30 to 69 years of age interviewed in Greater-Boston hospitals, there were 161 (13%) ever-users of CEs; 88 (7%) had used the drug within the ...

journal_title：American journal of epidemiology

authors： Rosenberg L,Shapiro S,Kaufman DW,Slone D,Miettinen OS,Stolley PD

更新日期：1979-06-01 00:00:00

abstract：:The authors approximated human immunodeficiency virus (HIV) seroincidence in a population of men who have sex with men and who sought repeated anonymous HIV testing in San Francisco in 1995. The number of seroconversions and person-years of observation were estimated using the date and result of the current test and t...

journal_title：American journal of epidemiology

authors： McFarland W,Kellogg TA,Dilley J,Katz MH

更新日期：1997-10-15 00:00:00

abstract：:Geographic information systems and exploratory spatial analysis were used to describe the geographic characteristics of pilot fatality rates in 1983-1998 general aviation crashes within the continental United States. The authors plotted crash sites on a digital map; rates were computed at regular grid intersections an...

journal_title：American journal of epidemiology

authors： Grabowski JG,Curriero FC,Baker SP,Li G

更新日期：2002-03-01 00:00:00

abstract：:Evidence concerning the role of Helicobacter pylori infection in the development of colorectal cancer remains controversial. The authors assessed the association of H. pylori seroprevalence with risk of colorectal cancer in a large population-based case-control study from Germany in 2003-2007. Serum antibodies to H. p...

journal_title：American journal of epidemiology

authors： Zhang Y,Hoffmeister M,Weck MN,Chang-Claude J,Brenner H

更新日期：2012-03-01 00:00:00

abstract：:In a prospective study of some 20,000 pregnancies in the Child Health and Development Studies in the San Francisco East Bay area, 226 gravidas were tested for pregnancy with estrogen/progestogen preparations. The two control groups were women who were tested for pregnancy by either a serum or urine test. There were no...

journal_title：American journal of epidemiology

authors： Torfs CP,Milkovich L,van den Berg BJ

更新日期：1981-05-01 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