Comparison of methods of handling missing data in individual patient data meta-analyses: an empirical example on antibiotics in children with acute otitis media.

abstract：:Although past studies have shown that oral contraceptives with 50 microg or more of estrogen reduce the risk of ovarian cancer, it is not clear whether newer, lower-dose formulations do as well. We conducted a population-based, case-control study in the Delaware Valley to assess the impact of dose of oral contraceptio...

journal_title：American journal of epidemiology

authors： Ness RB,Grisso JA,Klapper J,Schlesselman JJ,Silberzweig S,Vergona R,Morgan M,Wheeler JE

更新日期：2000-08-01 00:00:00

abstract：:Rabies virus was isolated by cell culture from the brains of 104 confirmed rabies cases diagnosed by the fluorescent-antibody staining technique in the United States during 1974-1984. Eighty-seven isolates were obtained from wild-life species, 10 from humans, and seven from domestic animals. These isolates were tested...

journal_title：American journal of epidemiology

authors： Rupprecht CE,Glickman LT,Spencer PA,Wiktor TJ

更新日期：1987-08-01 00:00:00

abstract：:Stroke, coronary heart disease (CHD) and total mortality are evaluated from death certificates in enumerated cohorts of 45-64-year old Japanese men in Hiroshima and Nagasaki (1965-1970), in Homolulu (1966-1970), and in the San Francisco area (1968-1972). Total mortality is highest in Japan with no consistent differenc...

journal_title：American journal of epidemiology

authors： Worth RM,Kato H,Rhoads GG,Kagan K,Syme SL

更新日期：1975-12-01 00:00:00

abstract：:Four random samples representing populations at low (volunteer blood donors), intermediate, (VD clinic patients), high (family contacts of chronic antigen carriers) and very high (male homosexuals) risk of exposure to HBV were surveyed. Among HBsAg and anti-HBs negative individuals an average of 3.3% were found to be ...

journal_title：American journal of epidemiology

authors： Szmuness W,Hoofnagle JH,Stevens CE,Prince AM

更新日期：1976-09-01 00:00:00

abstract：:The authors abstracted a sample of 7,536 hospital medical records to validate the accuracy of the coding of obstetric information on 1) birth certificates, 2) a statewide computerized hospital discharge abstract data system, and 3) a linked file merging birth certificates and the hospital abstract data for Washington ...

journal_title：American journal of epidemiology

authors： Parrish KM,Holt VL,Connell FA,Williams B,LoGerfo JP

更新日期：1993-07-15 00:00:00

abstract：:Obesity and smoking are independently associated with a higher mortality risk, but previous studies have reported conflicting results about the relationship between these 2 time-varying exposures. Using prospective longitudinal data (1987-2007) from the Atherosclerosis Risk in Communities Study, our objective in the p...

journal_title：American journal of epidemiology

authors： Banack HR,Kaufman JS

更新日期：2016-01-15 00:00:00

abstract：:The authors present analyses of data from three independent clinical series and controls indicating an association between working in occupations with probable medium to high exposure to extremely low frequency (< 300 Hz) electromagnetic fields and sporadic Alzheimer's disease. Case-control analyses were carried out u...

journal_title：American journal of epidemiology

authors： Sobel E,Davanipour Z,Sulkava R,Erkinjuntti T,Wikstrom J,Henderson VW,Buckwalter G,Bowman JD,Lee PJ

更新日期：1995-09-01 00:00:00

abstract：:The authors investigated the role of self-reported life satisfaction in mortality with a prospective cohort study (1976-1995). A nationwide sample of healthy adults (18-64 years, n = 22,461) from the Finnish Twin Cohort responded to a questionnaire about life satisfaction and known predictors of mortality in 1975. A s...

journal_title：American journal of epidemiology

authors： Koivumaa-Honkanen H,Honkanen R,Viinamäki H,Heikkilä K,Kaprio J,Koskenvuo M

更新日期：2000-11-15 00:00:00

abstract：:Hormone replacement therapy (HRT) may reduce lung cancer risk. Dietary boron may have actions similar to those of HRT; however, no previous study has reported the associations between dietary boron intake and lung cancer risk or the joint effects of boron intake and HRT use on lung cancer risk. The authors examined th...

journal_title：American journal of epidemiology

authors： Mahabir S,Spitz MR,Barrera SL,Dong YQ,Eastham C,Forman MR

更新日期：2008-05-01 00:00:00

abstract：:As the population ages, the burden of disease from cognitive decline and dementing illness is rising. In the absence of treatments to reverse cognitive decline, prevention is a public health priority. Physical fitness and physical activity have emerged as prevention targets based on evidence of "neuroprotective" benef...

journal_title：American journal of epidemiology

authors： Belsky DW

更新日期：2016-06-15 00:00:00

abstract：:The random-zero and standard mercury sphygmomanometers are used frequently, and sometimes interchangeably, in epidemiologic studies. To determine whether there is a systematic difference between them, the authors measured systolic, fourth-phase, and fifth-phase diastolic blood pressures using both sphygmomanometers si...

journal_title：American journal of epidemiology

authors： de Gaudemaris R,Folsom AR,Prineas RJ,Luepker RV

更新日期：1985-02-01 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：:A national serosurvey was conducted in Mexico from March to October 1986 to identify predictors of dengue transmission and target areas at high risk of severe annual epidemics. A total of 3,408 households in 70 localities with populations less than 50,000 were randomly sampled, and serology was obtained from one subje...

journal_title：American journal of epidemiology

authors： Koopman JS,Prevots DR,Vaca Marin MA,Gomez Dantes H,Zarate Aquino ML,Longini IM Jr,Sepulveda Amor J

更新日期：1991-06-01 00:00:00

abstract：:The association between injurious falls requiring hospitalization and selected classes of medications was examined in a case-control study of nursing home residents. Information for this study was obtained exclusively from four computerized administrative databases. Over the period from April 1987 to March 1992, a tot...

journal_title：American journal of epidemiology

authors： Mustard CA,Mayer T

更新日期：1997-04-15 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：:A single nucleotide polymorphism, - 160C-->A, has been identified in the promoter region of the E-cadherin gene and has been shown to alter its transcriptional activity. To assess susceptibility of -160A allele carriers to seven types of cancers, the authors conducted a comprehensive meta-analysis, up to November 2006...

journal_title：American journal of epidemiology

authors： Wang GY,Lu CQ,Zhang RM,Hu XH,Luo ZW

更新日期：2008-01-01 00:00:00

abstract：:The authors compared US motor vehicle and motorcycle mortality rates during periods when each of several alcohol-related laws were in effect with mortality rates during other periods. During the period 1980-1997, there were 792,184 deaths due to motor vehicle crashes and 63,052 deaths due to motorcycle crashes. An est...

journal_title：American journal of epidemiology

authors： Villaveces A,Cummings P,Koepsell TD,Rivara FP,Lumley T,Moffat J

更新日期：2003-01-15 00:00:00

abstract：:Although type 2 diabetes (T2D) predicts glaucoma, the potential for unmeasured confounding has hampered causal conclusions. We performed separate sample genetic instrumental variable analyses using the Genetic Epidemiology Research Study on Adult Health and Aging cohort (n = 69,685; 1995-2013) to estimate effects of T...

journal_title：American journal of epidemiology

authors： Shen L,Walter S,Melles RB,Glymour MM,Jorgenson E

更新日期：2016-01-15 00:00:00

abstract：:Neutralizing antibodies to the Inoue-Melnick virus were detected in healthy adults in Osaka and in Houston. For adults, the prevalence rate for the cross-reacting type 3 virus was 13.8 per cent in Osaka and 29.1 per cent in Houston. Antibodies were also found in immune serum globulin prepared from American adults, but...

journal_title：American journal of epidemiology

authors： Inoue YK,Nishibe Y,Kimura T,Melnick JL

更新日期：1987-03-01 00:00:00

abstract：:Pesticides are ubiquitous neurotoxicants, and several lines of evidence suggest that exposure may be associated with depression. Epidemiologic evidence has focused largely on organophosphate exposures, while research on other pesticides is limited. We collected detailed pesticide use history from farmers recruited in ...

journal_title：American journal of epidemiology

authors： Weisskopf MG,Moisan F,Tzourio C,Rathouz PJ,Elbaz A

更新日期：2013-10-01 00:00:00

abstract：:Previous studies have suggested an increased risk of amyotrophic lateral sclerosis (ALS) and other motor neuron diseases for persons in occupations commonly involving exposure to diesel exhaust (DE). In this study, we investigated the association between occupational exposure to DE and odds of ALS. ALS cases were iden...

journal_title：American journal of epidemiology

authors： Dickerson AS,Hansen J,Gredal O,Weisskopf MG

更新日期：2018-08-01 00:00:00

abstract：:The relationship of lead exposure to blood pressure has been examined in a longitudinal study of a cohort of 89 Boston, Massachusetts, policemen. At the baseline examination, subjects had a blood lead determination and three consecutive blood pressure measurements. Triplicate blood pressure measurements were also take...

journal_title：American journal of epidemiology

authors： Weiss ST,Muñoz A,Stein A,Sparrow D,Speizer FE

更新日期：1986-05-01 00:00:00

abstract：:Randomized clinical trials (RCTs) are usually the preferred strategy with which to generate evidence of comparative effectiveness, but conducting an RCT is not always feasible. Though observational studies and RCTs often provide comparable estimates, the questioning of observational analyses has recently intensified b...

journal_title：American journal of epidemiology

authors： Danaei G,Tavakkoli M,Hernán MA

更新日期：2012-02-15 00:00:00

abstract：:Levels of exposure biomarkers vary among individuals because of differences in both environmental exposure and metabolism. However, the ultimate interest is in providing information about the impact of modifying environmental exposures through regulation or behavior change. Using these levels in studies of pregnancy o...

journal_title：American journal of epidemiology

authors： Savitz DA

更新日期：2014-03-01 00:00:00

abstract：:For diseases of well-defined genetic etiology and with onset after birth, the age at onset corresponds to the incubation period of the disease. The lognormal model, as used by Sartwell to study the distribution of incubation periods in infectious diseases (Am J Hyg 1950;51:310-8), was applied in this study to the dist...

journal_title：American journal of epidemiology

authors： Armenian HK,Khoury MJ

更新日期：1981-05-01 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

abstract：:This study examined the validity of self-reported delivery weight among 3,518 respondents to the 1988 National Maternal and Infant Health Survey. Self-reported delivery weight was ascertained from a mail survey administered during the postpartum period. Measured delivery weight was obtained by abstraction of medical r...

journal_title：American journal of epidemiology

authors： Schieve LA,Perry GS,Cogswell ME,Scanion KS,Rosenberg D,Carmichael S,Ferre C

更新日期：1999-11-01 00:00:00

abstract：:Leisure-time physical activity enhances health and functioning in older populations. However, few data are available on the correlation between self-reported leisure-time physical activity and cardiorespiratory fitness in the elderly. Treadmill exercise testing results were obtained for 1,006 members (median age 67 ye...

journal_title：American journal of epidemiology

authors： Tager IB,Hollenberg M,Satariano WA

更新日期：1998-05-15 00:00:00

abstract：:Customized birth weight charts that incorporate maternal characteristics are now being adopted into clinical practice. However, there is controversy surrounding the value of these charts in the prediction of growth and perinatal outcomes. The objective of this study was to assess the use of customized charts in predic...

journal_title：American journal of epidemiology

authors： Carberry AE,Raynes-Greenow CH,Turner RM,Jeffery HE

更新日期：2013-10-15 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