Impact of obesity, overweight and underweight on life expectancy and lifetime medical expenditures: the Ohsaki Cohort Study by Shinichi Kuriyama, Miyuki Kawado, Shuji Hashimoto, Ichiro Tsuji, Atsushi Hozawa, Toshimasa Sone, Masato Nagai, Masako Kakizaki, Kaori Ohmori-Matsuda

“…We examined the association between body mass index, life expectancy and lifetime medical expenditure.Design Prospective cohort study using individual data from the Ohsaki Cohort Study.Setting Miyagi Prefecture, northeastern Japan.Participants The 41 965 participants aged 40–79 years.Primary and secondary outcome measures The life expectancy and lifetime medical expenditure aged from 40 years.Results In spite of their shorter life expectancy, obese participants might require higher medical expenditure than normal weight participants. …”
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