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Poverty after 63: the impact of selective mortality
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI). Stockholm University, Faculty of Social Sciences, Department of Public Health Sciences.ORCID iD: 0000-0002-0582-5058
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
Stockholm University, Faculty of Social Sciences, Department of Public Health Sciences.
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
(English)Manuscript (preprint) (Other academic)
Abstract [en]

Background: The amount and share of older people in developed countries are growing dramatically and poverty among them is relatively high. If life expectancy continues to increase and a larger segment of the population reaches old age, we may expect to see increased poverty rates among the old.

Objective: The objective of this study was to examine poverty rates in six cohorts aged 63-101 in Sweden during 1990 to 2006, as well as the impact of selective mortality on old age poverty rates during the study period.

Methods: We used Swedish total population data with 1 293 434 individual observations. We calculated poverty rates for six cohorts of women and men aged 63 to 86 at baseline, and followed the cohorts for 15 years. The impact of selective mortality on poverty rates was assessed by comparing poverty in the complete cohort with a sample of the cohort that survived for the duration of the follow-up period.

Results: Poverty rates increased with age for men and women in all six cohorts. Women experienced substantially higher poverty rates than did men. Those who survived during the 15-year follow-up period had 8-32 percent lower poverty rate at baseline compared to the complete cohort poverty rate. Men experienced larger poverty differences between the complete cohort sample and the survivor sample in the younger cohorts than did women. Women experienced larger poverty differences between the complete sample and the survivor sample in the oldest cohort than did men.

Conclusion: Selective mortality influences poverty rates greatly. In a scenario where everyone lives longer and other things is held constant, the results from this study suggest that poverty rates among the old could be substantially higher.

National Category
Public Health, Global Health, Social Medicine and Epidemiology
Research subject
Public Health Sciences
Identifiers
URN: urn:nbn:se:su:diva-167821OAI: oai:DiVA.org:su-167821DiVA, id: diva2:1302455
Available from: 2019-04-04 Created: 2019-04-04 Last updated: 2019-04-05Bibliographically approved
In thesis
1. Inequalities in life and death: Income and mortality in an ageing population
Open this publication in new window or tab >>Inequalities in life and death: Income and mortality in an ageing population
2019 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Income serves as an indicator of success relative to others, and provides individuals with resources that strengthen their capability to face challenges and benefit from opportunities. Out of all social determinants of health, income is one of the strongest predictors of health outcomes. The positive association between income and health in the working-age population is well established; those with higher income tend to have better health. Less is known about the association between income and health among older persons. Several studies have observed that in old age, health inequalities decrease and the relationship between income and health weakens. However, at what point in the ageing process the association starts to weaken, and to what extent, is debated.

The ageing process highlights the need for several theoretical considerations in studies on income and health. Societies are stratified by age, as manifested through transitions in and out of education, work, and retirement. Moreover, the individual experience of the ageing process involves biological processes of decline. Many health problems, and particularly death, are uncommon events during most of adulthood. In old age, however, health decline becomes a normative experience, and in Sweden, more than 90 percent of all deaths occur among people aged 65 or older. The characteristics and magnitude of age-related changes in the association between income and mortality constitute one of the prime concerns in this thesis. I have used two contending perspectives to understand the empirical results: the cumulative (dis)advantage theory and the age-as-leveler hypothesis.

In this thesis, I have investigated the association between income and mortality across ages, with a focus on later life. More specifically, I studied the shape and magnitude of the income-mortality association across the life course. Furthermore, I tested two potential mechanisms that may shape this association in old age: health decline and mortality selection. Overall, this thesis shows to what extent and in what ways the association between income and mortality is maintained in old age

This thesis includes four empirical studies. Study I, II, and IV are based on data from Swedish national registers (n = 801,017 – 5,011,414). Study III used survey data (LNU and SWEOLD) linked with data from administrative registries (n = 2619). The results from Study I showed that the income-mortality association was curvilinear with diminishing returns of income in both mid-life and late-life. Study II showed that relative mortality inequalities in income decreased with age and absolute mortality inequalities in income increased with age up to age 85-90, after which the mortality inequalities decreased. The results from Study III showed that health decline partly explained the weakened income-mortality association among the oldest old. Finally, Study IV showed that selective mortality had a substantial impact on poverty rates in old age; poverty rates were consistently and substantially lower for those who survived than those who died. Furthermore, selective mortality had the largest influence on the surviving population when mortality rates were at their highest.

 

Place, publisher, year, edition, pages
Stockholm: Department of Public Health Sciences, Stockholm University, 2019. p. 63
Series
Stockholm Studies in Public Health Sciences, ISSN 2003-0061 ; 1
Keywords
income, health, mortality, ageing, inequality, age-as-leveler, cumulative disadvantage
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Research subject
Public Health Sciences
Identifiers
urn:nbn:se:su:diva-167822 (URN)978-91-7797-698-1 (ISBN)978-91-7797-699-8 (ISBN)
Public defence
2019-05-27, De Geersalen, Geovetenskapens hus, Svante Arrhenius väg 14, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Manuscript. Paper 4: Manuscript.

Available from: 2019-05-02 Created: 2019-04-04 Last updated: 2019-04-23Bibliographically approved

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Rehnberg, JohanFors, StefanAlmquist, Ylva B.Fritzell, Johan
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