Peter H. Hughes

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OBJECTIVE To estimate the prevalence of substance use among US physicians. DESIGN A mailed, anonymous, self-report survey that assessed use of 13 substances and permitted comparison with results of the National Household Survey on Drug Abuse. Rates of physician substance use were weighted to provide national prevalence estimates. PARTICIPANTS A national(More)
A clinical trial examined whether retention of cocaine-abusing women in a therapeutic community can be improved by permitting their children to live with them during treatment. Fifty-three women were randomly assigned to either the standard community condition (n = 22), in which children were placed with the best available caretaker, or the demonstration(More)
OBJECTIVE This study compares substance use by medical specialty among resident physicians. METHOD The authors estimated the prevalence of substance use of 11 medical specialties from a national sample of 1,754 U.S. resident physicians. RESULTS Emergency medicine and psychiatry residents showed higher rates of substance use than residents in other(More)
Senior students at 23 regionally distributed medical schools received an anonymous questionnaire designed to examine current and prior use of tobacco, alcohol, and nine other drugs. The overall response rate was 67% (N = 2046). Substance use prevalence rates during the 30 days preceding the survey included alcohol, 87.5%; marijuana, 10.0%; cigarettes,(More)
A national survey was conducted to determine patterns of drug use among 3000 American resident physicians. Sixty percent (1785) of the residents surveyed responded. This report evaluates the prevalence of drug use among the respondents, when they initiated drug use, and their reasons for current use. Substance use rates are compared with other studies of(More)
We describe a structured, hierarchic approach to exploring the scalability of IT systems architectures. An architecture is considered to be scalable over a particular set of requirements if the physical resource usage per unit of capacity remains roughly constant. For completeness, both requirements and capacity must be defined in the three dimensions of(More)