Helen Levine

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Web applications suffer from software and configuration faults that lower their availability. Recovering from failure is dominated by the time interval between when these faults appear and when they are detected by site operators. We introduce a set of tools that augment the ability of operators to perceive the presence of failure: an automatic anomaly(More)
Three surveys (1997, 1999, and 2001) of outpatient substance abuse treatment centers in Connecticut, Massachusetts, Rhode Island, Maine, Vermont, and New Hampshire examined organizational characteristics that influenced the adoption of naltrexone. Structural equation modeling with manifest variables assessed predictors related to the use of naltrexone. Use(More)
NOTE The Alcohol and Drug Services Study (ADSS) provides an opportunity for researchers to explore and analyze a unique data base that can provide new insights into the relationships between substance abuse treatment clients and facilities. Great care has been taken by staff of SAMHSA's Office of Applied Studies (OAS) and its contractors to create ADSS(More)
This report is in the public domain and may be reproduced or copied without permission from SAMHSA. Citation of the source is appreciated. 3-6 Actual overlap between the ADSS screened sample of 2,771 facilities and the NESAT sample of 200 programs by analytic stratum (this is the maximum possible overlap between ADSS Phase I and NESAT) .
Data on long-term impact of universal national vaccination programmes against hepatitis A are lacking. We aimed at evaluating the impact on hepatitis A incidence of the Israeli toddlers-only universal routine two-dose vaccination programme against hepatitis A initiated in 1999. All hepatitis A episodes reported to the national surveillance system from 1993(More)
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