@article{ref1,
title="Self-report of drinking using touch-tone telephone: extending the limits of reliable daily contact",
journal="Journal of studies on alcohol",
year="1995",
author="Searles, John S. and Perrine, M. W. Bud and Mundt, J. C. and Helzer, J. E.",
volume="56",
number="4",
pages="375-382",
abstract="OBJECTIVE: Retrospective self-reports of alcohol consumption are ubiquitous in the alcohol research field. Time frames of these reports range from a week to a year or longer and are subject to several influences of bias that may have important clinical, epidemiological and methodological consequences. In order to specify drinking patterns more precisely, a study was conducted to monitor alcohol consumption on a daily basis. METHOD: Subjects (N = 51) responded for 112 days on an Interactive Voice Response system by entering their data daily using the touch-tone pad of their telephone. Each day, subjects answered 11 questions relating to drinking (including quantity) and to variables believed to affect consumption (e.g., stress level). RESULTS: The overall response rate was 93.0%. Subjects reported consuming at least one drink on 51.2% of all 5,151 reporting days (mean number of drinks reported = 4.6). Following completion of the study, subjects were also asked to recall consumption retrospectively using a standard quantity-frequency questionnaire. CONCLUSIONS: The present study demonstrated that: (1) data can be collected on a daily basis efficiently, and (2) traditional methods of data collection (e.g., quantity-frequency) result in a significant underreporting bias for heavier drinkers.<p /><p>Language: en</p>",
language="en",
issn="0096-882X",
doi="",
url="http://dx.doi.org/"
}