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. 2023 Oct;118(10):1920-1931.
doi: 10.1111/add.16264. Epub 2023 Jun 5.

Increase in educational inequalities in alcohol-related mortality in Spain during a period of economic growth

Marta Donat  1   2 , Enrique Regidor  2   3   4 , Gregorio Barrio  1   2 , Emilio Ambrosio  5 , Luis Sordo  2   3 , Juan Miguel Guerras  1   2 , Julieta Politi  1 , María J Belza  1   2
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Increase in educational inequalities in alcohol-related mortality in Spain during a period of economic growth

Marta Donat et al. Addiction. 2023 Oct.

Abstract

Background and aims: Alcohol-related mortality risk is almost always greater in lower than higher socio-economic positions (SEPs). There is little information on the evolution of this SEP gradient and its relationship with the economic cycle. Some results suggest that during economic expansions, there is a hypersensitivity of low-SEP people to harmful drinking. The main objective of this study was to measure the evolution of educational inequality in alcohol-related and non-alcohol related mortality by sex and age group in Spain during 2012-19.

Design, setting and measurements: This is a repeated cross-sectional study. This study includes all residents in Spain aged 25 years and over from 2012 to 2019. (1) We calculated age-standardized mortality rates (ASMRs) from strongly/moderately alcohol-related causes (directly alcohol-attributable, unspecified liver cirrhosis, liver and upper aerodigestive tract cancers and moderately alcohol-related), weakly alcohol-related causes and other causes by educational level. (2) We used age-adjusted relative index of inequality (RII) and slope index of inequality (SII) to measure relative and absolute educational inequality in mortality, respectively. (3) Age-adjusted annual percentage change (APC) was also used to measure linear trends in mortality by educational level. RII, SII and APC were obtained from negative binomial regression.

Findings: Between 2012-15 and 2016-19, economic growth accelerated, the RII in mortality from strongly/moderately alcohol-related causes increased from 2.0 to 2.2 among men and from 1.1 to 1.3 among women, and the SII in deaths/100 000 person-years from 181.4 to 190.9 among men and from 18.9 to 46.5 among women. It also increased relative and absolute inequality in mortality from weakly alcohol-related and other causes of death in both men and women. These increases in inequality were due primarily to a flattening or even reversal of the downward mortality trend among low- and medium-educated people.

Conclusions: During the economic expansion of 2012-19 in Spain, changes in mortality risk from strongly/moderately alcohol-related causes were especially unfavourable among low- and medium-educated people.

Keywords: Alcohol; economic expansion; educational level; inequality; mortality; socioeconomic position.

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References

REFERENCES

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