5Davis,M.A.Living arrangements,changes in living arrangements,and survival among community dwelling older adults.American Journal of Public Health,87,1997:371 -377.
6Michael,Y.L.,Berkman,L.F.,Colditz,G.A.,& Kawachi,I.Living arrangements,social integration,and change in functional health status.American Journal of Epidemiology,153,2001:123 ~ 131.
7Groves,M.A.and Wilson,V.F.To move or not to move ? Factors influencing the housing choice of elderly persons.Journal of Housing for the Elderly,10,1992:33 ~47.