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OBJECTIVE To determine if a commonly used violence prevention curriculum, Second Step: A Violence Prevention Curriculum, leads to a reduction in aggressive behavior and an increase in prosocial behavior among elementary school students. DESIGN Randomized controlled trial. SETTING Urban and suburban elementary schools in the state of Washington. (More)
INTRODUCTION During the last two decades changes in vehicle design and increase in the number of the light truck vehicles (LTVs) and vans have led to changes in pedestrian injury profile. Due to the dynamic nature of the pedestrian crashes biomechanical aspects of collisions can be better evaluated in field studies. DESIGN AND SETTING s: The Pedestrian(More)
IMPORTANCE Colorectal cancer is the second leading cause of cancer death in the United States. In 2016, an estimated 134,000 persons will be diagnosed with the disease, and about 49,000 will die from it. Colorectal cancer is most frequently diagnosed among adults aged 65 to 74 years; the median age at death from colorectal cancer is 68 years. OBJECTIVE To(More)
OBJECTIVE To determine the frequency of child abuse and unintentional injury as a cause of infant and toddler subdural hemorrhage (SDH). METHODS A prospective case series of a level I regional trauma center, regional children's hospital, and county medical examiner's office assessed consecutive children who were </=36 months old and had SDH. Children who(More)
BACKGROUND Rates of adolescent suicide in the United States are highest among Native Americans but little is known about risk factors for suicide attempts in this population. METHODS To identify risk factors for self-reported suicide attempts by Navajo adolescents, we analyzed the 1988 Indian Health Service Adolescent Health Survey that was administered(More)
OBJECTIVE To use vital statistics and communicable disease reports to characterize the health status of an urban American Indian and Alaska Native (AI/AN) population and compare it with urban whites and African Americans and with AI/ANs living on or near rural reservations. DESIGN Descriptive analysis of routinely reported data. SETTING One metropolitan(More)
OBJECTIVE To determine geographic variation in urban American Indian and Alaska Native (AI/AN) rates of infant mortality, low birth weight, prenatal care use, and maternal-child health care service availability. METHODS This was a retrospective cohort study using data from the 1989 to 1991 birth-death linked database from the National Center for Health(More)
OBJECTIVE The purpose of this study was to examine the performance characteristics and validity of the Patient Health Questionnaire-9 Item (PHQ-9) as a screening tool for depression among adolescents. METHODS The PHQ-9 was completed by 442 youth (aged 13-17 years) who were enrolled in a large health care-delivery system and participated in a study on(More)
OBJECTIVE To determine the differences in resource utilization and radiation exposure between conventional radiography (ConvRad) and helical computed tomography (HCT) when used to survey the pediatric cervical spine (CSp). METHODS Patients aged 0-14 years who required CSp radiographic evaluation in addition to cranial CT were prospectively enrolled and(More)