Three categories of analyses were used to compare difficulty with and dependence in @ individual ADLs between the HVN ( n = @ ) and care as usual ( n = @ ) groups ( total N = @ ) at @ months after study entry : ( @ ) unadjusted analyses that strictly depend on random assignment , ( @ ) multinomial logistic regression analyses adjusting for baseline risk factors , and ( @ ) multinomial regression analyses that include variables reporting post-randomization healthcare use as well as the baseline risk factors .