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Who under-reports their alcohol consumption in telephone surveys and by how much? An application of the 'yesterday method' in a national Canadian substance use survey

Addiction (Abingdon, England), 2014-10, Vol.109 (10), p.1657-1666 [Peer Reviewed Journal]

2014 Society for the Study of Addiction ;2015 INIST-CNRS ;2014 Society for the Study of Addiction. ;ISSN: 0965-2140 ;EISSN: 1360-0443 ;DOI: 10.1111/add.12609 ;PMID: 24825591 ;CODEN: ADICE5

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Title:
Who under-reports their alcohol consumption in telephone surveys and by how much? An application of the 'yesterday method' in a national Canadian substance use survey
Author: Stockwell, Tim ; Zhao, Jinhui ; Macdonald, Scott
Subjects: Addiction ; Adjustment ; Adolescent ; Adult ; Age ; Age Factors ; Aged ; Alcohol ; Alcohol Drinking - epidemiology ; alcohol surveys ; Alcohol use ; Alcoholic Beverages ; Alcoholic Beverages - statistics & numerical data ; Alcoholism and acute alcohol poisoning ; Biological and medical sciences ; Canada ; Canada - epidemiology ; Consumption ; Cross-Sectional Studies ; Drinking Behavior ; Drug Abuse ; Epidemiology ; Estimation ; Female ; Females ; gender ; Health Surveys - methods ; Humans ; Male ; Medical sciences ; Middle Aged ; Miscellaneous ; Polls & surveys ; Public health. Hygiene ; Public health. Hygiene-occupational medicine ; quantity-frequency method ; Risk Factors ; Self Disclosure ; Sex ; Substance use ; survey ; Survey analysis ; Telephone ; Toxicology ; under-reporting ; Values ; Vitaceae ; yesterday method ; Young Adult
Is Part Of: Addiction (Abingdon, England), 2014-10, Vol.109 (10), p.1657-1666
Description: Background and Aims Adjustments for under‐reporting in alcohol surveys have been used in epidemiological and policy studies which assume that all drinkers underestimate their consumption equally. This study aims to describe a method of estimating how under‐reporting of alcohol consumption might vary by age, gender and consumption level. Method The Canadian Alcohol and Drug Use Monitoring Survey (CADUMS) 2008–10 (n = 43 371) asks about beverage‐specific ‘yesterday’ consumption (BSY) and quantity–frequency (QF). Observed drinking frequencies for different age and gender groups were calculated from BSY and used to correct values of F in QF. Beverage‐specific correction factors for quantity (Q) were calculated by comparing consumption estimated from BSY with sales data. Results Drinking frequency was underestimated by males (Z = 24.62, P < 0.001) and females (Z = 17.46, P < 0.001) in the QF as assessed by comparing with frequency and quantity of yesterday drinking. Spirits consumption was underestimated by 65.94% compared with sales data, wine by 38.35% and beer by 49.02%. After adjusting Q and F values accordingly, regression analysis found alcohol consumption to be underestimated significantly more by younger drinkers (e.g. 82.9 ± 1.19% for underage drinkers versus 70.38 ± 1.54% for those 65+, P < 0.001) and by low‐risk more than high‐risk drinkers (76.25 ± 0.34% versus 49.22 ± 3.01%, P < 0.001). Under‐reporting did not differ by gender. Conclusions Alcohol consumption surveys can use the beverage‐specific ‘yesterday method’ to correct for under‐reporting of consumption among subgroups. Alcohol consumption among Canadians appears to be under‐reported to an equal degree by men and women. Younger drinkers under‐report alcohol consumption to a greater degree than do older drinkers, while low‐risk drinkers underestimate more than do medium and high‐risk drinkers.
Publisher: Oxford: Blackwell Publishing Ltd
Language: English
Identifier: ISSN: 0965-2140
EISSN: 1360-0443
DOI: 10.1111/add.12609
PMID: 24825591
CODEN: ADICE5
Source: MEDLINE
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Who under-reports their alcohol consumption in telephone surveys and by how much? An application of the 'yesterday method' in a national Canadian substance use survey

2014 Society for the Study of Addiction ;2015 INIST-CNRS ;2014 Society for the Study of Addiction. ;ISSN: 0965-2140 ;EISSN: 1360-0443 ;DOI: 10.1111/add.12609 ;PMID: 24825591 ;CODEN: ADICE5

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