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. 2019 Mar 7;19(1):276.
doi: 10.1186/s12889-019-6579-6.

Deprivation-specific life tables using multivariable flexible modelling - trends from 2000-2002 to 2010-2012, Portugal

Luís Antunes  1   2   3 , Denisa Mendonça  4   5 , Ana Isabel Ribeiro  4   6 , Camille Maringe  7 , Bernard Rachet  7
Affiliations

Deprivation-specific life tables using multivariable flexible modelling - trends from 2000-2002 to 2010-2012, Portugal

Luís Antunes et al. BMC Public Health. .

Abstract

Background: Completing mortality data by information on possible socioeconomic inequalities in mortality is crucial for policy planning. The aim of this study was to build deprivation-specific life tables using the Portuguese version of the European Deprivation Index (EDI) as a measure of area-level socioeconomic deprivation, and to evaluate mortality trends between the periods 2000-2002 and 2010-2012.

Methods: Statistics Portugal provided the counts of deaths and population by sex, age group, calendar year and area of residence (parish). A socioeconomic deprivation level was assigned to each parish according to the quintile of their national EDI distribution. Death counts were modelled within the generalised linear model framework as a function of age, deprivation level and calendar period. Mortality Rate Ratios (MRR) were estimated to evaluate variations in mortality between deprivation groups and periods.

Results: Life expectancy at birth increased from 74.0 and 80.9 years in 2000-2002, for men and women, respectively, and to 77.6 and 83.8 years in 2010-2012. Yet, life expectancy at birth differed by deprivation, with, compared to least deprived population, a deficit of about 2 (men) and 1 (women) years among most deprived in the whole study period. The higher mortality experienced by most deprived groups at birth (in 2010-2012, mortality rate ratios of 1.74 and 1.29 in men and women, respectively) progressively disappeared with increasing age.

Conclusions: Persistent differences in mortality and life expectancy were observed according to ecological socioeconomic deprivation. These differences were larger among men and mostly marked at birth for both sexes.

Keywords: Deprivation; Health inequalities; Life-tables; Multivariable modelling; Socioeconomic factors.

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Conflict of interest statement

Ethics approval and consent to participate

Only aggregated data publicly available from the Statistics Portugal office was used exempting special permissions for its use. No ethics approval was needed for this study.

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

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Figures

Fig. 1
Fig. 1
Predicted mortality rates (log scale) according to quintiles of socioeconomic deprivation 2000–2002 for Men (top) and Women (bottom)
Fig. 2
Fig. 2
Predicted mortality rates (log scale) according to quintiles of socioeconomic deprivation 2010–2012 for Men (top) and Women (bottom)
Fig. 3
Fig. 3
Mortality Rate Ratio as function of age between deprivation quintiles q2, q3, q4 and q5 and least deprived quintile (q1) for Men (top) and Women (bottom)
Fig. 4
Fig. 4
Mortality Rate Ratio as function of age between period 2010–2012 and 2000–2002 (reference) according to deprivation quintile for men (left) and women (right)
See this image and copyright information in PMC

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