The independent risk factors for early readmission identified according to regression analysis were living alone ( odds ratio ( OR ) = @ , @ % confidence interval ( CI ) = @-@ @ ) , fair or poor satisfaction with primary care physician ( OR = @ , @ % CI = @-@ @ ) , not having Medicaid ( OR = @ , @ % CI = @-@ @ ) , receiving a new assistive device in the past @ months ( OR = @ , @ % CI = @-@ @ ) , and staying in a nursing home in the past @ months ( OR = @ , @ % CI = @-@ @ ) .