Otsuka, Rei National Center for Geriatrics and Gerontology
Nishita, Yukiko National Center for Geriatrics and Gerontology
Tange, Chikako National Center for Geriatrics and Gerontology
Tomida, Makiko National Center for Geriatrics and Gerontology|Japan Society for the Promotion of Science
Kato, Yuki National Center for Geriatrics and Gerontology|Aichi Shukutoku University
Nakamoto, Mariko National Center for Geriatrics and Gerontology|Tokushima University Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Ando, Fujiko National Center for Geriatrics and Gerontology|Aichi Shukutoku University
Shimokata, Hiroshi National Center for Geriatrics and Gerontology|Nagoya University of Arts and Sciences
Suzuki, Takao National Center for Geriatrics and Gerontology|Oberlin University
Higher-level functional capacity
This study aimed to clarify the effects of the accumulation of 8 modifiable practices related to health, including smoking, alcohol drinking, physical activity, sleeping hours, body mass index, dietary diversity, ikigai (life worth living), and health checkup status, on higher-level functional capacity decline among Japanese community dwellers. Data were derived from the National Institute for Longevity Sciences - Longitudinal Study of Aging. Subjects comprised 1269 men and women aged 40 to 79 years at baseline (1997–2000) who participated in a follow-up postal survey (2013). Higher-level functional capacity was measured using the Tokyo Metropolitan Institute of Gerontology Index of Competence (total score and 3 subscales: instrumental self-maintenance, intellectual activity, and social role). The odds ratio (OR) and 95% confidence interval (CI) for a decline in higher-level functional capacity in the follow-up study according to the total number of healthy practices were analyzed using the lowest category as a reference. Multivariate adjusted ORs (95% CIs) for the total score of higher-level functional capacity, which declined according to the total number of healthy practices (0–4, 5–6, 7–8 groups) were 1.00 (reference), 0.63 (0.44–0.92), and 0.54 (0.31–0.94). For the score of social role decline, multivariate adjusted ORs (95% CIs) were 1.00 (reference), 0.62 (0.40–0.97), and 0.46 (0.23–0.90), respectively (P for trend = 0.04). Having more modifiable healthy practices, especially in social roles, may protect against a decline in higher-level functional capacity among middle-aged and elderly community dwellers in Japan.
Preventive Medicine Reports
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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