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Participation rates for epidemiologic studies have been declining during the past 30 years with even steeper declines in recent years. This wholesale decrease in participation rate, or at the very least the increase in refusal, has, quite understandably, occasioned some concern among epidemiologists who have long considered a high study participation rate(More)
Hurricane Katrina was the most devastating natural disaster to hit the United States in the past 75 years. The authors conducted interviews of 810 persons who were representative of adult residents living in the 23 southernmost counties of Mississippi before Hurricane Katrina. The prevalence of posttraumatic stress disorder (PTSD) since Hurricane Katrina(More)
PURPOSE To assess ethnic differences in the risk of post-traumatic stress disorder (PTSD) after a disaster, and to assess the factors that may explain these differences. METHODS We used data from a representative survey of the New York City metropolitan area (n=2,616) conducted 6 months after September 11, 2001. Linear models were fit to assess(More)
Evidence about the relationship between contextual variables and substance use is conflicting. Relationships between neighborhood income and income distribution and the prevalence and frequency of substance use in 59 New York City (NYC) neighborhoods were assessed while accounting for individual income and other socio-demographic variables. Measures of(More)
CONTEXT Mesenchymal stem cells (MSCs) are under evaluation as a therapy for ischemic cardiomyopathy (ICM). Both autologous and allogeneic MSC therapies are possible; however, their safety and efficacy have not been compared. OBJECTIVE To test whether allogeneic MSCs are as safe and effective as autologous MSCs in patients with left ventricular (LV)(More)
PURPOSE It has long been suggested that certain characteristics of the urban environment may influence population mental health. However, evidence from multilevel research addressing the relation between intraurban environments and depression has been conflicting, and prospective evidence in this regard has been limited. We assessed the relation between(More)
Taking advantage of two large, population-based, and longitudinal datasets collected after the 1999 floods in Mexico (n=561) and the September 11, 2001 terrorist attacks in New York (n=1267), we examined the notion that resilience may be best understood and measured as one member of a set of trajectories that may follow exposure to trauma or severe stress.(More)
Accidental drug overdose continues to be a substantial cause of mortality for drug users. Characteristics of the neighborhood built environment may be important determinants of the likelihood of drug overdose mortality independent of individual-level factors. Using data from the New York City Office of the Chief Medical Examiner, we conducted a multilevel(More)
PURPOSE To identify and understand the patterns and predictors of depressive symptom trajectories over time after mass traumatic events. METHODS Data were used from a prospective, representative sample of adult residents of the New York City metropolitan area (N=2,282) followed up across four survey waves between 2001 (after the September 11 attacks) and(More)
PURPOSE Past research has demonstrated the high prevalence of depression in the general population. However, few longitudinal studies have characterized the patterns of depression in a large, representative sample of the general population. We monitored symptoms of depression and assessed the factors associated with changing symptoms of depression in a(More)