The Role of Underweight in Active Life Expectancy Among Older Adults in Japan

Yuka Minagawa, Yasuhiko Saito and Deborah Carr

The Journals of Gerontology: Series B, 2021, vol. 76, issue 4, 756-765

Abstract: ObjectivesIt is underweight, rather than overweight or obesity, that has been a pressing public health concern in Japan. This study examines the impact of being underweight on the health of older Japanese men and women, measured by active life expectancy at age 65. Following the Japanese government’s guideline, underweight in this study is defined using the body mass index (BMI) value of 20.MethodData came from five waves (1999–2009) of the Nihon University Japanese Longitudinal Study of Aging (NUJLSOA). We used the Interpolation of Markov Chain approach to estimate the number of years underweight (BMI

Keywords: Active life expectancy; Disability; Body mass index (BMI); Longitudinal methods (search for similar items in EconPapers)
Date: 2021
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