TY - JOUR PY - 2019// TI - Estimating alcohol-attributable fractions for injuries based on data from emergency department and observational studies: a comparison of two methods JO - Addiction A1 - Ye, Yu A1 - Shield, Kevin A1 - Cherpitel, Cheryl J. A1 - Manthey, Jakob A1 - Korcha, Rachael A1 - Rehm, Jürgen SP - 462 EP - 470 VL - 114 IS - 3 N2 - AIM: To compare the injury alcohol-attributable fractions (AAFs) estimated using emergency department (ED) data to AAFs estimated by combining population alcohol consumption data with corresponding relative risks (RRs).

DESIGN: Comparative Risk Assessment SETTING AND PARTICIPANTS: ED studies in 27 countries (n = 24,971) MEASUREMENTS: AAFs were estimated by means of an acute method using data on injury cases from 36 ED studies combined with odds ratios obtained from ED case-crossover studies. Corresponding AAFs for injuries were estimated by combining population-level data on alcohol consumption obtained from the Global Information System on Alcohol and Health with corresponding RRs obtained from a previous meta-analysis.

FINDINGS: ED-based injury AAF estimates ranged from 5% (Canada 2002 and the Czech Republic) to 40% (South Africa), with a mean AAF across all studies of 15% (19% for males and 8% for females). Population-based injury AAF estimates ranged from 21% (India) to 51% (Spain and the Czech Republic), with a mean AAF across all country-years of 37% (43% for males and 23% for females). The Pearson correlation coefficient for the two types of injury AAF estimates was 0.09 for the total, 0.06 for males, and 0.32 for females.

CONCLUSIONS: Two methods of estimating the injury alcohol-attributable fractions (AAFs) - emergency department data versus population method - produce widely differing results. Across 36 country-years, the mean AAF using the population method was 36.8%, more than twice as large as emergency department data-based acute estimates, which average 15.4%.

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Language: en

LA - en SN - 0965-2140 UR - http://dx.doi.org/10.1111/add.14477 ID - ref1 ER -