Abstract
Background: Life expectancy has increased markedly in the past decades. Thus, it is of great importance to understand how people are ageing and if the trajectories of health and disability are changing over time. This study aimed to examine trends in functional abilities and health in independent cohorts of people aged 75–95 over three decades. Methods: This Helsinki Ageing Study consists of repeated cross-sectional postal surveys examining independent cohorts of old people (75, 80, 85 and 90+ years old). This study combined data from four waves (1989, 1999, 2009 and 2019). Results: In the most recent wave, there was an increase in the portion of participants who were able to walk outdoors easily (75-year-olds p=0.03, 80-year-olds p=0.002, 85-year-olds p<0.001; p for linearity for the study year effect, all adjusted for sex). Fewer people in the youngest age group (75-year-olds) needed daily help from another person in 2019 compared to the earlier waves (p=0.02 for linearity for the study year). Over the past three decades, the proportions of self-reported good mobility have risen 8.7% (95% confidence interval (CI) 2.3–15.1) in 75-year-olds, 11.7% (95% CI 3.9–19.6) in 80-year-olds and 20.1% (95% CI 10.7–29.4) in 85-year-olds, after adjusting for sex. Furthermore, in 2019, more people rated their health as good and scored better in psychological well-being than in the previous waves among 75-, 80- and 85-year-olds. However, no improvements were found among 90+-year-olds in any of these variables. Conclusions: People between 75 and 85 years old are presently feeling and functioning better than their predecessors. This may be an important objective for both economics and health policy.
Highlights
Life expectancy has increased rapidly during the last century
This study examines the trends in functional abilities, health and Psychological well-being (PWB) in independent cohorts of people aged 75–95 years over three decades
In 1989, 74% of the participants had less than eight years of formal education, while in 2019 that dropped to 25%
Summary
Older adults – generally referring to those aged ⩾65 years – are the fastest-growing part of the population [1] As this age group is the most predisposed to chronic illnesses and disabilities, it is valuable to understand how the health and functioning of an ageing population develops over time. This study aimed to examine trends in functional abilities and health in independent cohorts of people aged 75–95 over three decades. In 2019, more people rated their health as good and scored better in psychological well-being than in the previous waves among 75-, 80- and 85-year-olds. Conclusions: People between 75 and 85 years old are presently feeling and functioning better than their predecessors This may be an important objective for both economics and health policy
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