Jellema, P.

support subject compliance study benefit home care workers worker phase baseline confidence degree scale month analysis compliance rate phase i predictor questionnaire 1 week regression analysis intervention health feasibility number erasmus university rotterdam pain reduction phase ii home care pain disability scale disability prevention factor reduction pain intensity trial 12 months status regression score intervention period control bouter lm netherland percentage likert likert scale feasibility items result lumbotrain lady activity koes bw treatment health status randomized rotterdam baseline measurement blood pressure occup problem poppel jellema 6 months home care manager satisfaction locus 010 scale van poppel bauerfeind benelux bv multivariate confidence benefit support intensity period home care organization episode effectiveness drop-out participant value population participation