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  • Title: Overreporting of smokeless tobacco use by adolescent males.
    Author: Cohen SJ, Katz BP, Drook CA, Christen AG, McDonald JL, Olson BL, Cloys LA, Stookey GK.
    Journal: J Behav Med; 1988 Aug; 11(4):383-93. PubMed ID: 3266254.
    Abstract:
    This study evaluates the impact of a pipeline assessment (salivary cotinine determination) on the accuracy of self-reported use of cigarettes and smokeless tobacco by 160 rural seventh- and eighth-grade males ranging in age from 12 to 16. Half of them were randomly assigned to complete a questionnaire on tobacco use prior to revealing the biochemical validation materials and collecting samples. The others had the samples collected prior to receiving and completing the questionnaires. The questionnaire-first group reported significantly greater smokeless tobacco use than did the pipeline-first group. Only for the latter were their self-reports significantly corroborated by the cotinine results. These results suggest that the utilization of a biochemical pipeline not only can improve self-reported tobacco use but also may help identify perceptions about the social desirability of using harmful substances.
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