Test-retest reliability of an online measure of past week alcohol consumption (the TOT-AL), and comparison with face-to-face interview

Khadjesari, Zarnie, Murray, Elizabeth, Kalaitzaki, Eleftheria, White, Ian R, McCambridge, Jim, Godfrey, Christine and Wallace, Paul (2009) Test-retest reliability of an online measure of past week alcohol consumption (the TOT-AL), and comparison with face-to-face interview. Addictive Behaviors, 34 (4). pp. 337-342. ISSN 0306-4603

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Abstract

OBJECTIVE: This paper reports on the development of a new online measure of beverage-specific past week alcohol consumption (the TOT-AL), its test-retest reliability, and comparability with the face-to-face approach of ascertaining alcohol intake. METHODS: University students participating in the reliability study completed the TOT-AL twice on the same day with at least 3 h apart. Students in the comparability study attended a face-to-face interview and completed the TOT-AL on the same day, in a randomised order, at least 3 h apart. RESULTS: There was a strong correlation between the repeated measurements of the TOT-AL (r=0.99; 95% CI: 0.98, 0.99) and between the units calculated by the TOT-AL and the face-to face interview (r=0.97; 95% CI: 0.95, 0.99). A high level of agreement between measurements was also observed in a Bland-Altman analysis. CONCLUSIONS: The TOT-AL is a reliable, time efficient means of ascertaining alcohol intake, equivalent to that obtained face-to-face. These findings support the use of this approach to online alcohol assessment in populations with access to the Internet.

Item Type: Article
Uncontrolled Keywords: alcohol drinking pattern,internet,test reliability,measurement
Depositing User: Pure Connector
Date Deposited: 09 Apr 2018 15:30
Last Modified: 02 Aug 2019 06:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/66704
DOI: 10.1016/j.addbeh.2008.11.010

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