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Death rates higher among middle aged, elderly when economy is booming

Date:
October 7, 2013
Source:
BMJ-British Medical Journal
Summary:
Death rates among middle aged and older people are higher when the economy is growing than when it's heading for recession, reveals a long term analysis of the economic cycles of developed countries.

Death rates among middle aged and older people are higher when the economy is growing than when it's heading for recession, reveals a long term analysis of the economic cycles of developed countries, published online in the Journal of Epidemiology and Community Health.

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But increased levels of work stress and traffic accidents, as a result of higher rates of employment, are unlikely to fully explain these trends, suggest the authors.

Life expectancy in the developed world has continued to rise, largely because of the reduction in old age mortality, say the authors. Long term economic growth is an important factor in maintaining this trend, because "wealth creates health," they add.

As many countries are not only in recession, but also increasing the proportion of elderly people in the population, the authors wanted to know what impact this might have on life expectancy.

They therefore analysed the gross domestic product (GDP) per capita -- an indicator of national economic health -- of 19 developed countries in Europe, Scandinavia, North America and Australasia between 1950 and 2008.

They then plotted the GDP figures against the numbers of deaths among 40 to 44 year olds and 70 to 74 year olds over the same period.

Over the long term, an increase in GDP was associated with a fall in death rates in all 19 countries, but the economic cycles of relative boom and bust told a different story.

When economies were expanding, death rates increased for both middle aged and older people, but they fell when economies were heading for recession.

On average, for every one percentage point increase in GDP, death rates rose by 0.36% among 70-74 year olds, and by 0.38% among 40-44 year olds.

The effect on women of the same age was similar, but much smaller, rising by 0.18% among those in their 70s, and by 0.16% among those in their 40s.

The authors speculate about the possible explanations for the figures, including increased job stress, but this would not affect older people, and increased air pollution, which is known to go up when economies are thriving, but which doesn't explain the gender differences in the figures.

Unhealthy lifestyles and road traffic accidents increase when economies are in good health, but are unlikely to fully explain the trends, they say.

But changes in social support may exert some influence, they suggest, as higher employment could mean less time for informal care-giving to older people, and heightened stress among the carers, a factor that is worth exploring further in view of the lack of evidence to substantiate this theory, they add.


Story Source:

The above story is based on materials provided by BMJ-British Medical Journal. Note: Materials may be edited for content and length.


Journal Reference:

  1. H. J. A. Rolden, D. van Bodegom, W. B. van den Hout, R. G. J. Westendorp. Old age mortality and macroeconomic cycles. Journal of Epidemiology & Community Health, 2013; DOI: 10.1136/jech-2013-202544

Cite This Page:

BMJ-British Medical Journal. "Death rates higher among middle aged, elderly when economy is booming." ScienceDaily. ScienceDaily, 7 October 2013. <www.sciencedaily.com/releases/2013/10/131007190818.htm>.
BMJ-British Medical Journal. (2013, October 7). Death rates higher among middle aged, elderly when economy is booming. ScienceDaily. Retrieved November 23, 2014 from www.sciencedaily.com/releases/2013/10/131007190818.htm
BMJ-British Medical Journal. "Death rates higher among middle aged, elderly when economy is booming." ScienceDaily. www.sciencedaily.com/releases/2013/10/131007190818.htm (accessed November 23, 2014).

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