Douglas C. McDonald

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OBJECTIVE This study estimated the prevalence of stimulant treatment among both adults and children at national, state, and county levels during 2008 and explored explanations for wide variations in treatment prevalence. METHODS Records of 24.1 million stimulant prescriptions dispensed to insured and uninsured patients were obtained from approximately 76%(More)
BACKGROUND Abuse of prescription opioid analgesics is a serious threat to public health, resulting in rising numbers of overdose deaths and admissions to emergency departments and treatment facilities. Absent adequate patient information systems, "doctor shopping" patients can obtain multiple opioid prescriptions for nonmedical use from different unknowing(More)
UNLABELLED Estimates of geographic variation among states and counties in the prevalence of opioid prescribing are developed using data from a large (135 million) representative national sample of opioid prescriptions dispensed during 2008 by 37,000 retail pharmacies. Statistical analyses are used to estimate the extent to which county variation is(More)
A social worker's Home Inquiry was conducted for 75 schizophrenic males as soon as possible after hospitalization. A standard set of items based on this inquiry was scored in terms of nine factors. These Home Inquiry factor scores were found to have modest but statistically significant correlations with specific symptom ratings conducted two years after(More)
PURPOSE This study estimates the prevalence in US counties of opioid patients who use large numbers of prescribers, the amounts of opioids they obtain, and the extent to which their prevalence is predicted by ecological attributes of counties, including general medical exposure to opioids. METHODS Finite mixture models were used to estimate the size of an(More)
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