Matthew M. Davis

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The purpose of this study was to evaluate risk factors for antepartum depressive symptoms that can be assessed in routine obstetric care. We evaluated articles in the English-language literature from 1980 through 2008. Studies were selected if they evaluated the association between antepartum depressive symptoms and > or =1 risk factors. For each risk(More)
OBJECTIVE We sought to examine the distribution of insulin and homeostasis model assessment of insulin resistance (HOMA-IR) and associations of HOMA-IR with sex, race/ethnicity, age, and weight status, as measured by BMI, among U.S. adolescents. RESEARCH DESIGN AND METHODS Of 4,902 adolescents aged 12-19 years who participated in the National Health and(More)
CONTEXT Neonatal abstinence syndrome (NAS) is a postnatal drug withdrawal syndrome primarily caused by maternal opiate use. No national estimates are available for the incidence of maternal opiate use at the time of delivery or NAS. OBJECTIVES To determine the national incidence of NAS and antepartum maternal opiate use and to characterize trends in(More)
The majority of US youth are of healthy weight, but the majority of US adults are overweight or obese. Therefore, a major health challenge for most American children and adolescents is obesity prevention-today, and as they age into adulthood. In this report, we review the most recent evidence regarding many behavioral and practice interventions related to(More)
Public Awareness, Perception, andUse of Online Physician Rating Sites Patientsare increasingly turningtoonlinephysicianratings, just as they have sought ratings for other products and services. Much of what is known about these sites comes from studies of the ratings left on them.1 Little is known about the public’s awareness and use of online physician(More)
OBJECTIVE To compare parent-reported prevalence of health conditions and health care use between children with and without autism. DESIGN Cross-sectional analysis of the 2003 to 2004 National Survey of Children's Health. SETTING Population-based sample across the United States. PARTICIPANTS More than 100 000 parents. The main exposure was "autism"(More)
BACKGROUND Dr Van Cleave's current address is Department of Pediatrics, Center for Child and Adolescent Health Policy, MassGeneral Hospital for Children, 50 Staniford St, Room 901, Boston, MA 02114. The association between bullying, being bullied, or being a bully/victim and having a special health care need has not been well described in a national sample(More)
CONTEXT Recent anthrax attacks in the United States have raised concern about the nation's vulnerability to a smallpox attack. Many strategies have been suggested to minimize the impact of such an attack, ranging from quarantine and vaccination of case contacts to resumption of routine vaccination. Before the latter strategy is adopted, an understanding of(More)
The European paper wasp Polistes dominulus (Christ) is a model system in the fields of behavioral ecology, ecological immunology, and invasion biology. Since its introduction to the US in 1978, its invasion success has been attributed, in part, to a lack of parasites or parasitoids infecting this population. This is despite the number of parasites which(More)
RATIONALE Recent pediatric studies suggest a survival benefit exists for higher-volume extracorporeal membrane oxygenation (ECMO) centers. OBJECTIVES To determine if higher annual ECMO patient volume is associated with lower case-mix-adjusted hospital mortality rate. METHODS We retrospectively analyzed an international registry of ECMO support from 1989(More)