The poorest people live almost 4 years less than the wealthiest in Spain

The poorest people live almost 4 years less than the wealthiest
Life expectancy quintiles at birth by province and sex (A: men, B: women) in Spain, 2011–2013. Credit: Scientific Reports (2022). DOI: 10.1038/s41598-022-19859-1

People with fewer financial resources live between 3 and 4 years less than richer people, according to the conclusions of a study carried out by several groups from the Epidemiology and Public Health Area (CIBERESP) of the Networking Biomedical Research Centre (CIBER-ISCIII).

The paper has been published in Scientific Reports.

The research teams from the National Centre of Epidemiology of the ISCIII, the Biosanitary Research Institute of Granada, the University of Granada and the Andalusian School of Public Health have developed the first life tables in Spain based on socioeconomic levels, which will be very useful when studying the survival rates of different diseases such as cancer.

Analyzing the relationship between levels and , the authors have determined that women and men living in the most deprived areas live between 3.2 and 3.8 years less, respectively, than their counterparts in the least deprived areas. Furthermore, it has been calculated that on average women live 5.6 years more than men (82.9 years for women compared to 77.3 for men). Per province, it is observed that life expectancy is greater in the north of the peninsula, in both sexes, and in the provincial capitals compared to rural areas.

To carry out this study, all-cause mortalities were analyzed from the 35,960 census tracts in Spain during the 2011-2013 period and mortality models were stratified according to sex, age group and socioeconomic levels.

The level of wealth or poverty of each area was measured using an index developed by the Spanish Society of Epidemiology, including information from six indicators mainly related to employment and education: percentage of manual workers (employed and unemployed), casual workers, percentage of population without and main residences without internet access.

According to Daniel Redondo, researcher from the CIBERESP at the Biosanitary Research Institute of Granada and the Andalusian School of Public Health, "understanding the association between life expectancy and socioeconomic status could help in developing appropriate public health programs. Furthermore, the life tables we produced are needed to estimate cancer specific survival measures by ."

Introducing the health inequality perspective

Producing life tables based on socioeconomic levels for the first time in Spain will enable us from now on to study in cancer and other by introducing the health inequality perspective, as other European countries such as the United Kingdom have been doing. This will contribute to a greater knowledge and understanding of the factors that influence in the prognosis of certain diseases in our country.

María José Sánchez, head of the group of the CIBERESP at the Andalusian School of Public Health states that their "life tables are essential to calculating life expectancy and estimating cancer survival, as inequalities in this disease persist and have a on care costs." For this purpose, tables are needed to estimate this survival rate based on cancer registries that record net survival, probability of death, and years of life lost due to the disease, among other factors.

The life tables generated are available on GitHub.

More information: Daniel Redondo-Sánchez et al, Association of socioeconomic deprivation with life expectancy and all-cause mortality in Spain, 2011–2013, Scientific Reports (2022). DOI: 10.1038/s41598-022-19859-1

GitHub: … eTablesByDeprivation

Journal information: Scientific Reports

Provided by Consorcio Centro de Investigación Biomédica en Red MP
Citation: The poorest people live almost 4 years less than the wealthiest in Spain (2022, October 6) retrieved 9 December 2022 from
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