Sampling bias due to consent procedures with adolescents

Positive consent was solicited from parents of 604 seventh grade students in four middle schools. Three hundred and fifty eight (59%) returned consents and completed a questionnaire under “bogus pipeline” conditions with saliva and air samples. Two weeks later both students with consent and those wi...

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Bibliographic Details
Published in:Addictive behaviors 1983, Vol.8 (4), p.433-437
Main Authors: Severson, Herbert H., Ary, Dennis V.
Format: Article
Language:English
Subjects:
Adolescent
Alcohol Drinking
Alcoholism - prevention & control
Biological and medical sciences
Humans
Informed Consent
Marijuana Abuse - prevention & control
Medical sciences
Methodology. Experimentation
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Sampling Studies
Smoking Prevention
Techniques and methods
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Summary:Positive consent was solicited from parents of 604 seventh grade students in four middle schools. Three hundred and fifty eight (59%) returned consents and completed a questionnaire under “bogus pipeline” conditions with saliva and air samples. Two weeks later both students with consent and those without were administered a second questionnaire without physiological measures. Comparison between consent and nonconsent students show significant differences in the smoking of cigarettes and marijuana, but no difference in the use of alcohol. Additional significant differences were found in exposure to smoking models, and level of education of both parents. The bias shown on significant dependentvariables may adversely effect the generalizability of results of studies of adolescent drug use that depend upon positive parental consent.
ISSN:0306-4603
1873-6327
DOI:10.1016/0306-4603(83)90046-1