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Do people who experience incarceration age more quickly? Exploratory analyses using retrospective cohort data on mortality from Ontario, Canada

View Article: PubMed Central - PubMed

ABSTRACT

Objectives: We aimed to explore whether mortality data are consistent with the view that aging is accelerated for people with a history of incarceration compared to the general population, using data on mortality rates and life expectancy for persons in Ontario, Canada.

Methods: We obtained data from the Ontario Ministry of Community Safety and Correctional Services on all adults admitted to provincial correctional facilities in Ontario in 2000, and linked these data with death records from provincial vital statistics between January 1, 2000 and December 31, 2012. We used life table methods to calculate mortality rates and life expectancies for this cohort by sex and 5-year age group. We similarly generated population comparison rates using publicly available data for the general population of Ontario in 2006 as the midpoint of the follow up period. We compared these mortality indices between the 2000 Ontario prison cohort and the general population by age group and sex.

Results: The difference in all-cause mortality rates between the 2000 Ontario prison cohort and the general population was greatest for younger adults, with the prison cohort experiencing rates of death that would be expected for persons at least 15 years older at ages 20 to 44 for men and ages 20 to 59 for women. Life expectancy in the 2000 Ontario prison cohort was most similar to life expectancy of persons five years older in the general population at age intervals 20 to 45 in men and 20 to 30 in women.

Conclusions: For most of adulthood, life expectancy and mortality rates are worse for adults with a history of incarceration than for the general population in Ontario, Canada. However, the association between mortality and incarceration status is modified by age, with the greatest relative burden of mortality experienced by younger persons with a history of incarceration and modified by sex, with worse relative mortality in women. Future research should explore the association between incarceration status and markers of aging including mortality, morbidity and physical appearance.

No MeSH data available.


Life expectancy for men in the 2000 Ontario prison cohort* and general population† of Ontario, by age interval.*Men admitted to provincial correctional facilities for adults in Ontario in 2000 with follow up for death to 2012. 95% confidence intervals are indicated. †Life expectancy for men in the Ontario population in 2006.
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pone.0175837.g003: Life expectancy for men in the 2000 Ontario prison cohort* and general population† of Ontario, by age interval.*Men admitted to provincial correctional facilities for adults in Ontario in 2000 with follow up for death to 2012. 95% confidence intervals are indicated. †Life expectancy for men in the Ontario population in 2006.

Mentions: Life expectancies for men and women in the 2000 Ontario prison cohort and general population are shown in Figs 3 and 4, respectively. Life expectancy was significantly lower for men in the 2000 Ontario prison cohort compared to the general population at age intervals 20 to 79 and for women at age intervals 20 to 60. There was no significant difference in life expectancy between groups for women at age interval 65. Comparing those in the 2000 Ontario prison cohort and the general population, the difference in life expectancy at age 20 was 7.3 years for men and 5.7 years for women.


Do people who experience incarceration age more quickly? Exploratory analyses using retrospective cohort data on mortality from Ontario, Canada
Life expectancy for men in the 2000 Ontario prison cohort* and general population† of Ontario, by age interval.*Men admitted to provincial correctional facilities for adults in Ontario in 2000 with follow up for death to 2012. 95% confidence intervals are indicated. †Life expectancy for men in the Ontario population in 2006.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5391969&req=5

pone.0175837.g003: Life expectancy for men in the 2000 Ontario prison cohort* and general population† of Ontario, by age interval.*Men admitted to provincial correctional facilities for adults in Ontario in 2000 with follow up for death to 2012. 95% confidence intervals are indicated. †Life expectancy for men in the Ontario population in 2006.
Mentions: Life expectancies for men and women in the 2000 Ontario prison cohort and general population are shown in Figs 3 and 4, respectively. Life expectancy was significantly lower for men in the 2000 Ontario prison cohort compared to the general population at age intervals 20 to 79 and for women at age intervals 20 to 60. There was no significant difference in life expectancy between groups for women at age interval 65. Comparing those in the 2000 Ontario prison cohort and the general population, the difference in life expectancy at age 20 was 7.3 years for men and 5.7 years for women.

View Article: PubMed Central - PubMed

ABSTRACT

Objectives: We aimed to explore whether mortality data are consistent with the view that aging is accelerated for people with a history of incarceration compared to the general population, using data on mortality rates and life expectancy for persons in Ontario, Canada.

Methods: We obtained data from the Ontario Ministry of Community Safety and Correctional Services on all adults admitted to provincial correctional facilities in Ontario in 2000, and linked these data with death records from provincial vital statistics between January 1, 2000 and December 31, 2012. We used life table methods to calculate mortality rates and life expectancies for this cohort by sex and 5-year age group. We similarly generated population comparison rates using publicly available data for the general population of Ontario in 2006 as the midpoint of the follow up period. We compared these mortality indices between the 2000 Ontario prison cohort and the general population by age group and sex.

Results: The difference in all-cause mortality rates between the 2000 Ontario prison cohort and the general population was greatest for younger adults, with the prison cohort experiencing rates of death that would be expected for persons at least 15 years older at ages 20 to 44 for men and ages 20 to 59 for women. Life expectancy in the 2000 Ontario prison cohort was most similar to life expectancy of persons five years older in the general population at age intervals 20 to 45 in men and 20 to 30 in women.

Conclusions: For most of adulthood, life expectancy and mortality rates are worse for adults with a history of incarceration than for the general population in Ontario, Canada. However, the association between mortality and incarceration status is modified by age, with the greatest relative burden of mortality experienced by younger persons with a history of incarceration and modified by sex, with worse relative mortality in women. Future research should explore the association between incarceration status and markers of aging including mortality, morbidity and physical appearance.

No MeSH data available.