[1] Chia Yi Christian Hosp, Dept Community Hlth, Ditmanson Med Fdn, Chiayi, Taiwan
[2] Chia Yi Christian Hosp, Dept Phys Med & Rehabil, Ditmanson Med Fdn, Chiayi, Taiwan
[3] Chia Yi Christian Hosp, Div Community Nursing, Ditmanson Med Fdn, Chiayi, Taiwan
[4] Chia Yi Christian Hosp, Ditmanson Med Fdn, Clin Med Res Ctr, Chiayi, Taiwan
[5] Natl Cheng Kung Univ, Inst Gerontol, Coll Med, Tainan, Taiwan
[6] Natl Cheng Kung Univ, Inst Gerontol, Coll Med, 1,Univ Rd, Tainan 701, Taiwan