Cognitive-Impairment-Free Life Expectancy for Canadian Seniors

Dubois, Marie‐France; Hébert, Réjean

doi:10.1159/000095593

Cited by 28 publications

(24 citation statements)

References 50 publications

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“…Studies from the United Kingdom, the Netherlands, United States, and Canada, of which two were longitudinal, show that 5%–10% of TLE at age 65 years is spent with impairment and that this impairment burden is larger in women than men, but they do not investigate differences between education groups within the studies (9–13). …”

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confidence: 99%

Education Differences in Life Expectancy With Cognitive Impairment

Matthews

Jagger

Miller

et al. 2009

The Journals of Gerontology Series A: Biological Sciences and M

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BackgroundLow education has an impact on life expectancy and level of cognition, but little is known on its effect on life expectancy with cognitive impairment.MethodsThe Medical Research Council Cognitive Function and Ageing Study (MRC CFAS) collected population-based longitudinal data on people aged 65 years and older including measures of education and cognitive impairment, using the Mini-Mental State Examination (MMSE), for five geographically diverse areas around England and Wales interviewed between 1991 and 2003. Transitions between health states were calculated using Markov chain methods. Life expectancy in different states of cognitive function as measured by MMSE were further explored for different education groups. The effect of fixed and educationally based cut points for cognitive impairment are investigated.ResultsLife expectancy spent with cognitive impairment is fairly constant with increasing age at around 1.4 years in men and 2.5 years in women, though this reflects a large increase in the proportion of life spent with cognitive impairment. The differences seen between education groups for the proportion of total life with cognitive impairment (men 13% and women 22% of life lived for low education vs men 7% and women 12% in high education group) disappear when education-adjusted cut points are used (10% in men and 17% in women at age 65 for all education groups).ConclusionsThe results show that there is a substantial amount of life expectancy with cognitive impairment in both men and women. The impairment burden is just as great for those with high education as the lowest educated group.

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confidence: 99%

Education Differences in Life Expectancy With Cognitive Impairment

Matthews

Jagger

Miller

et al. 2009

The Journals of Gerontology Series A: Biological Sciences and M

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“…First, institutionalized elderly subjects were not included our in study as well as in the studies from Japan [28] or the USA [33], while they were included in other previous studies from Canada, Europe, and Australia as well as in recent studies from the USA [34,35]. Some studies also covered only one or few cities/sites/areas/provinces and estimated the prevalence rates based on some health programmes, despite the fact that the samples were randomly recruited [21,23,24,25,27,29,68,69]. Most previous studies, such as in Europe and Australia, used a cross-sectional design, as did our present study, while the studies from Japan, Canada, the Netherlands, Brazil, the USA, and the UK used a longitudinal design.…”

Section: Discussionmentioning

confidence: 99%

“…Although the various forms of dementia are common morbid conditions and precursors of functional disabilities in later life, dementia-free LE (DemFLE) has been the object of less investigation than health expectancy based on other measures of physical functioning and health indicators [21]. According to the REVES bibliography database from 2013 [22], there were 1,516 scientific papers and/or reports related to LE with regard to different health dimensions, but few papers have been published in relation to DemFLE, and they have focused mainly on eight developed countries, namely Australia [23,24], Belgium [25], Canada [21,26], France [27], Japan [28], the Netherlands [29], the UK [30,31,32], and the USA [33,34,35], as well as on one developing country, i.e.…”

Section: Introductionmentioning

confidence: 99%

Decreased Proportion of Dementia-Free Life Expectancy in Hong Kong SAR

Cheung¹,

Yip²,

Branch³

et al. 2015

Dement Geriatr Cogn Disord

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Background: Estimations of life expectancies (LE) in health and ill health are important for planning future health care support. This study aimed at quantifying whether an increased LE is accompanied by an increase in the duration of life with dementia (DemLE) in Hong Kong SAR. Methods: Two parameters from a logistic model were used to fit the overall trend of the weighted prevalence of dementia. Abridged age- and sex-specific life tables and Sullivan's method were used to calculate dementia-free LE (DemFLE) for 1998 and 2013. Results: In 2013, among elderly individuals in Hong Kong aged 65 years, men had lived with dementia for 1.8 years and women for 3.6 years. These values are similar to those for subjects aged ≥85 years, while the proportion of DemLE was much greater at advanced ages. Elderly female individuals tend to experience a greater number of years with dementia than males. Conclusion: Our results indicate although LE has increased for all older age groups over time, the increase in DemFLE has not been greater than the gain in LE, suggesting an absolute expansion of the burden of dementia to the community between 1998 and 2013. The results suggest that more caregiving resources and manpower will be needed in the future as the population ages.

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“…in Canada and the United Kingdom) however these data are typically representative of populations in the 1990s. It is useful [3]. Using data from a field survey conducted in the over-70 population in Canberra and Queanbeyan in 1990-1991 (n=1,045) it was found that at 70 years of age, men were expected to live a further 11.95 years and women a further 15.12 years [6].…”

Section: Discussionmentioning

confidence: 99%

“…Healthy life expectancy is used to quantify the burden of disease and enables researchers to monitor the overall health of the population [2]. Cognitive impairment affects the functional status and quality of life not only of sufferers but also impacts their relatives and carers [2,3]. Dementia is Australia's third leading cause of death and there is no cure [4].…”

Section: Introductionmentioning

confidence: 99%

Life Expectancy in Australian Seniors with or without Cognitive Impairment:The Australia Diabetes, Obesity and Lifestyle Study Wave 3

Ashby-Mitchell

Magliano

Shaw

et al. 2014

J Gerontol Geriatr Res

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Abstract:Objective: To determine prevalence of cognitive impairment (CI) and to estimate life expectancy with and without cognitive impairment in the Australian population over age 60. Method:Adults aged 60 and older participating in the 12 year follow-up of the Australia Diabetes Obesity and Lifestyle Study (AusDiab) were included in the sample (n=1666). The mean age was 69.5 years, and 46.3% of the sample was male. The Mini-Mental State Examination was used to assess cognitive impairment. Logistic regression analysis was used to determine the effect of predictor variables (age, gender, education), measured at baseline, on cognitive impairment status. The Sullivan Method was used to estimate Total Life Expectancy (TLE), Cognitively Impaired (CILE) and Cognitive Impairment-free life expectancies (CIFLE).Results: Odds of CI were greater for males than females (OR 2.1, 95% confidence interval: 1.2-3.7) and among Australians with low education levels compared with Australians with high education levels (OR 2.1, 95% confidence interval: 1.2-3.7). The odds of CI also increased each year with age (OR 1.1, (95% confidence interval: 1.0-1.1). It was found that in all age groups females have greater TLE and CIFLE when compared to their male counterparts.

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Cognitive-Impairment-Free Life Expectancy for Canadian Seniors

Cited by 28 publications

References 50 publications

Education Differences in Life Expectancy With Cognitive Impairment

Education Differences in Life Expectancy With Cognitive Impairment

Decreased Proportion of Dementia-Free Life Expectancy in Hong Kong SAR

Life Expectancy in Australian Seniors with or without Cognitive Impairment:The Australia Diabetes, Obesity and Lifestyle Study Wave 3

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