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Bosnes, I., Almkvist, O., Bosnes, O., Stordal, E., Romild, U., & Nordahl, H. M. (2017). Prevalence and correlates of successful aging in a population-based sample of older adults: the HUNT study. Int Psychogeriatr, 29(3), 431–440.
Abstract: BACKGROUND: The factors influencing successful aging (SA) are of great interest in an aging society. The aims of this study were to investigate the prevalence of SA, the relative importance across age of the three components used to define it (absence of disease and disability, high cognitive and physical function, and active engagement with life), and its correlates. METHODS: Data were extracted from the population-based cross-sectional Nord-Trondelag Health Study (HUNT3 2006-2008). Individuals aged 70-89 years with complete datasets for the three components were included (N = 5773 of 8,040, 71.8%). Of the respondents, 54.6% were women. Univariate and multivariate regression analyses were used to analyze possible correlates of SA. RESULTS: Overall, 35.6% of the sample met one of the three criteria, 34.1% met combinations, and 14.5% met all of the three criteria. The most demanding criterion was high function, closely followed by absence of disease, while approximately two-thirds were actively engaged in life. The relative change with age was largest for the high cognitive and physical function component and smallest for active engagement with life. The significant correlates of SA were younger age, female gender, higher education, weekly exercise, more satisfaction with life, non-smoking, and alcohol consumption, whereas marital status was not related to SA. CONCLUSIONS: The prevalence of SA in this study (14.5%) is comparable to previous studies. It may be possible to increase the prevalence by intervention directed toward more exercise, non-smoking, and better satisfaction with life.
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Solhaug, H. I., Romuld, E. B., Romild, U., & Stordal, E. (2012). Increased prevalence of depression in cohorts of the elderly: an 11-year follow-up in the general population – the HUNT study. Int Psychogeriatr, 24(1), 151–158.
Abstract: BACKGROUND: Depression is a common disorder in late life. As the elderly population continues to grow worldwide, depression is also likely to become an increasing health problem. The aim of this study was to examine changes in prevalence of depression in various age cohorts over an 11-year period. METHODS: This study involved two cross-sectional studies (HUNT 2 and HUNT 3) of all adult inhabitants of the Norwegian county of Nord-Trondelag with an 11 year-interval between the two studies. The participants aged 45 years or above at HUNT 2 and with a valid depression rating at both HUNT 2 (baseline) and HUNT 3 (follow-up) (N = 16517), were included and divided into five-year age cohorts. Depression was measured by the depression subscale of the Hospital Anxiety and Depression Scale (HADS-D). RESULTS: A significant increase in depression was found in all age cohorts from 76 years at follow-up, with the greatest increase (9.6%) in the oldest age cohort (86-90 years at follow-up). The incidence of depression is increasing with age, with over 10% new cases in all age cohorts aged 81 years and above at follow-up. About 5% of the participants in all age cohorts reported depression at both measure points, and there is a decrease in recovery from depression from baseline to follow-up with increasing age. CONCLUSIONS: We found increased prevalence of depression and a large number of new cases of depression in the oldest age cohorts.
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