Ann C. Trumble

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OBJECTIVE To estimate the association between swimming lessons and the risk of drowning among children aged 1 to 19 years. DESIGN Case-control study. SETTING Cases were identified from medical examiners'/coroners' offices between mid-2003 and mid-2005. Jurisdictions included the states of Maryland and North Carolina, 14 districts (33 counties) in(More)
OBJECTIVES This study used a recent national population survey on childhood and adolescent non-fatal injuries to investigate the effects of recall bias on estimating annual injury rates. Strategies to adjust for recall bias are recommended. METHODS The 1988 Child Health Supplement to the National Health Interview Survey collected 12-month recall(More)
BACKGROUND Homicide is the leading cause of infant deaths due to injury. More than 80 percent of infant homicides are considered to be fatal child abuse. This study assessed the timing of deaths and risk factors for infant homicide. METHODS Using linked birth and death certificates for all births in the U.S. between 1983 and 1991, we identified 2776(More)
OBJECTIVE To examine multifetal pregnancy in older women and perinatal outcomes. DESIGN A cross-sectional study. SETTING A nationwide vital registry. PATIENT(S) A national population-based database that links the live birth, fetal, and infant death certificates reported of multiple gestations in the United States from 1995 to 1997. It includes 155,777(More)
OBJECTIVES National data are not routinely available regarding the incidence of and associated risk factors for nonfatal injuries in children and youth. The Child Health Supplement to the 1988 National Health Interview Survey provided an opportunity to determine accurate national estimates of childhood injury morbidity by demographic factors, location,(More)
OBJECTIVES This study was to report the incidence of severe maternal morbidity associated with hypertensive disorders of pregnancy in the United States. STUDY DESIGN We used data from the National Hospital Discharge Survey, a nationally representative sample of discharge records, from 1988 to 1997. The database consisted of approximately 300,000(More)
OBJECTIVE To estimate the incidence of endometriosis in an operative cohort of women seeking clinical care and in a matched population cohort to delineate more fully the scope and magnitude of endometriosis in the context of and beyond clinical care. DESIGN Matched-exposure cohort design. SETTING Surgical centers in the Salt Lake City, Utah, and San(More)
OBJECTIVE Delaying delivery of the remaining fetus(es) in a multifetal pregnancy is feasible in some cases. However, the impact of this procedure on infant survival is unclear. STUDY DESIGN We used the US 1995-1998 Matched Multiple Birth File. We identified 200 twin pregnancies in which the first twin was delivered between 17 and 29 weeks of gestation and(More)
OBJECTIVE To estimate the prevalence of infertility using a current duration approach for comparison with a traditional constructed measure. DESIGN Cross-sectional survey. SETTING Not applicable. PATIENT(S) A nationally representative sample of females aged 15-44 years. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) Infertility prevalence estimated(More)
OBJECTIVE To develop a reference for birth weight for gestational age to identify Mexican American infants born in the United States who are small or large for gestational age. METHODS Reference percentiles were developed for Mexican American and non-Hispanic white births, using national vital statistics from 1992-1994 for Mexican Americans (n =(More)