Objectives To assess the prevalence of honorary and ghost authors in six leading general medical journals in 2008 and compare this with the prevalence reported by authors of articles published in 1996.
The utility of drug testing for surveys depends on the type of substance examined as well as on the type of test employed. Multiple tests have more utility than a single test. Drug testing is useful for identifying the levels and sources of under-reporting in a survey and provides a basis for adjusting prevalence estimates based on self-reports.
SH and GWA may be better predictors of drinking behavior compared to task-related stressors, particularly when harassment is chronic. Increased attention to conflictual relationships in the work-place, the relationship between SH and GWA and the dynamic nature of stressors in general is necessary in future research on drinking behavior.
Hair specimens were collected from 322 subjects and analyzed as part of an experimental study administering household surveys during 1997 to a high-risk community sample of adults from Chicago, Illinois. Toxicologic results were compared with survey responses about recent and lifetime drug use. About 35% of the sample tested positive for cocaine, and 4% tested positive for heroin. Sample prevalence estimates of cocaine use based on toxicologic results were nearly five times the survey-based estimates of past month use and nearly four times the survey-based estimates of past year use. With the hair test results as the standard, cocaine and heroin use were considerably underreported in the survey. Underreporting was more of a problem for cocaine than for heroin. Among those who tested positive, survey disclosure of cocaine use was associated with higher levels of cocaine detected in hair. In general, when recent drug use was reported, it was usually detected in hair. When a drug was detected in hair, use was usually not reported in the survey. When heroin was detected in hair, cocaine was almost always detected as well.
Prevention research should be informed by further population-based research on club drug use. Research should not focus exclusively on rave attendees, as they are only a subset of club drug users. Research is needed on neurological and behavioral sequelae across different types of club drugs, gender differences in the impact of sexual orientation on club drug risk and on the effects of personality characteristics such as sensation seeking on club drug use behavior.
We evaluated the importance of interviewer and subject effects on cocaine and marijuana use disclosure in a sample of over 3,000 male juvenile arrestees. Analyses evaluated the viability of Social Attribution and Conditional Social Attribution models of interviewer effects. The viability of alternative models was investigated in the context of comparative analyses excluding and including statistical adjustments for the clustering of responses by interviewers. Interviewer effects were more salient in models predicting marijuana disclosure than in models predicting cocaine disclosure. Logistic regression analyses provided support for Social Attribution and Conditional Social Attribution models of interviewer effects. Models suggested large interviewer cluster effects. Cluster adjustment altered interpretation of effects for both cocaine and marijuana. Subject race/ethnicity effects were salient in models predicting disclosure for both drugs, but were especially large in models predicting cocaine disclosure.
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