JAMA : the journal of the American Medical Association
-
Randomized Controlled Trial Multicenter Study Clinical Trial
Long-term follow-up results of a randomized drug abuse prevention trial in a white middle-class population.
To evaluate the long-term efficacy of a school-based approach to drug abuse prevention. ⋯ Drug abuse prevention programs conducted during junior high school can produce meaningful and durable reductions in tobacco, alcohol, and marijuana use if they (1) teach a combination of social resistance skills and general life skills, (2) are properly implemented, and (3) include at least 2 years of booster sessions.
-
To assess possible explanations for the finding that the percentage of women medical school faculty members holding associate or full professor rank remains well below the percentage of men. ⋯ Women physician medical school faculty are promoted more slowly than men. Gender differences in rank achieved are not explained by productivity or by differential attrition from academic medicine.
-
To determine the prevalence of Bordetella pertussis infection in adult patients with persistent cough. ⋯ Pertussis is a common cause of persistent cough in adults and should be considered in the differential diagnosis. Clinical symptoms, pertussis culture, direct fluorescent antibody testing, and lymphocytosis are of limited value in making the diagnosis.