[1] Chiba Univ, Ctr Prevent Med Sci, Dept Social Prevent Med Sci, Chiba, Japan
[2] Hasegawa Hosp, Dept Community Gen Support, Chiba, Japan
[3] Chiba Univ Hosp, Dept Cardiol, Chiba, Japan
[4] Univ Tsukuba, Inst Hlth & Sport Sci, Tokyo, Japan
[5] Natl Inst Publ Hlth, Dept Hlth Promot, Saitama, Japan
[6] Nihon Fukushi Univ, Ctr Well Being Soc, Mihama, Aichi, Japan
[7] Osaka Univ, Grad Sch Med, Dept Social Med, Publ Hlth, Osaka, Japan
[8] Natl Ctr Geriatr & Gerontol, Res Inst, Ctr Gerontol & Social Sci, Dept Gerontol Evaluat, Obu, Aichi, Japan
[9] Boston Univ, Sch Publ Hlth, Dept Epidemiol, Boston, MA USA