Socio-economic deprivation and cancer incidence in England: Quantifying the role of smoking

Author:

Payne Nick W. S.ORCID,Brown Katrina F.,Delon Christine,Kotrotsios Yannis,Soerjomataram Isabelle,Shelton Jon

Abstract

Background More deprived populations typically experience higher cancer incidence rates and smoking prevalence compared to less deprived populations. We calculated the proportion of cancer cases attributable to smoking by socio-economic deprivation in England and estimated the impact smoking has on the deprivation gap for cancer incidence. Methods Data for cancer incidence (2013–2017), smoking prevalence (2003–2007) and population estimates (2013–2017) were split by sex, age-group and deprivation quintile. Relative risk estimates from meta-analyses were used to estimate the population attributable fraction (PAF) for 15 cancer types associated with smoking. The deprivation gap was calculated using age-specific incidence rates by deprivation quintile. Results Smoking-related cancer PAFs in England are 2.2 times larger in the most deprived quintile compared to the least deprived quintile (from 9.7% to 21.1%). If everyone had the same smoking prevalence as the least deprived quintile, 20% of the deprivation gap in cancer incidence could have been prevented. If nobody smoked, 61% of the deprivation gap could have been prevented. Conclusions The majority of the deprivation gap in cancer incidence could have been prevented in England between 2013–2017 if nobody had smoked. Policy makers should ensure that tobacco control policies reduce overall smoking prevalence by tackling smoking inequalities.

Publisher

Public Library of Science (PLoS)

Subject

Multidisciplinary

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