This Article  • References  • Full text PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Similar articles in JAMA  Social Bookmarking   What's this?

Stephen Sidney, MD
for the Cardiovascular Risk Development in Young Adults (CARDIA) Investigators The Permanente Medical Group, Inc Oakland, Calif

JAMA. 1991;265(11):1392-1393.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

Zwerling et al¹ were unable to control for the effects of alcohol use in their study of the association between preemployment drug screening results and employment outcomes. We believe that the lack of data regarding alcohol use is a major flaw in this study.

We examined the relationship of marijuana and cocaine use to alcohol use in 4624 black and white men and women, 20 to 32 years of age, who were examined in 1987 and 1988 during the second cycle of examinations in a longitudinal study of cardiovascular risk factors.²Current alcohol use was defined as usual consumption of one or more alcoholcontaining drinks per week. Average daily alcohol intake was quantified by multiplying the usual number of drinks of beer, wine, and liquor during a week by estimates of the alcohol content of each of these beverages and dividing by 7.³

Current . . . [Full Text PDF of this Article]

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?