A logistic regression analysis showed that `` progression '' of stages was associated with improvements in the timed up and go test ( AOR @ ; @ % CI @-@ @ ) and sit and reach ( AOR @ ; @ % CI @-@ @ ) , while `` relapse '' of stages was associated with the group allocation ( AOR @ ; @ % CI @-@ @ ) , self-efficacy in `` Walking '' ( AOR @ ; @ % CI @-@ @ ) and `` Stair climbing '' ( AOR @ ; @ % CI @-@ @ ) with respect to physical activity during the intervention period .