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Teenage pregnancy and adverse birth outcomes: a large population based retrospective cohort study.
BACKGROUND Whether the association between teenage pregnancy and adverse birth outcomes could be explained by deleterious social environment, inadequate prenatal care, or biological immaturityExpand
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Cancer incidence among Korean-American immigrants in the United States and native Koreans in South Korea.
BACKGROUND While previous studies demonstrated contrasting patterns of cancer risk among migrant populations from different ethnic groups in the United States, few studies have focused on theExpand
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Weekend versus weekday admission and mortality from myocardial infarction.
BACKGROUND Management of acute myocardial infarction requires urgent diagnostic and therapeutic procedures, which may not be uniformly available throughout the week. METHODS We examined differencesExpand
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The contribution of mild and moderate preterm birth to infant mortality. Fetal and Infant Health Study Group of the Canadian Perinatal Surveillance System.
CONTEXT The World Health Organization defines preterm birth as birth at less than 37 completed gestational weeks, but most studies have focused on very preterm infants (birth at <32 weeks) because ofExpand
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Infant and maternal outcomes in the pregnancies of asthmatic women.
We examined the relationship between infant and maternal outcomes and asthma complicating pregnancy, using historical cohort analysis of singleton live deliveries in New Jersey hospitals between 1989Expand
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Ambient air pollutant concentrations during pregnancy and the risk of fetal growth restriction
Background: Previous studies of air pollution and birth outcomes have not evaluated whether complicated pregnancies might be susceptible to the adverse effects of air pollution. It was hypothesisedExpand
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Recent trends in childhood attention-deficit/hyperactivity disorder.
OBJECTIVE To examine trends in attention-deficit/hyperactivity disorder (ADHD) by race/ethnicity, age, sex, and median household income. DESIGN An ecologic study of trends in the diagnosis of ADHDExpand
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Association of Codon 16 and Codon 27 β2‐Adrenergic Receptor Gene Polymorphisms with Obesity: A Meta‐analysis
Objective: To search for an association between the Glu27Gln (rs1042714; B27) and the Arg16Gly (rs1042713; B16) polymorphisms of the β2‐adrenergic receptor (ADRB2) gene and obesity.
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Trends in Preterm Birth and Perinatal Mortality Among Singletons: United States, 1989 Through 2000
OBJECTIVE: Despite the recent increase in preterm birth in the United States, trends in preterm birth subtypes have not been adequately examined. We examined trends in preterm birth among singletonsExpand
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Maternal asthma and pregnancy outcomes: a retrospective cohort study.
OBJECTIVE We examined the relationship between asthma during pregnancy and selected infant and maternal outcomes. STUDY DESIGN A retrospective cohort study was conducted on mother-infant dyadsExpand
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