Why do elderly people seek professional home care? Methodologies compared

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Abstract
In order to investigate which characteristics, besides physical limitations, of elderly people living at home contribute to the utilization of professional home care, a study was conducted in which 450 elderly people aged 55 and over, 123 with and 327 without professional home care, were interviewed. To obtain a selection for the interviews, a postal questionnaire, containing questions on functional status and care utilization, sent out to a random sample of the elderly people (55+) living at home (n=2451), preceded the actual interviews. The oral interviews yielded the same information, plus an inventory of aspects of the mental status, the social network, the socio-economic status and the housing condition. Analysis was performed in three ways: bivariate analysis, logistic regression analysis and discriminant analysis. The bivariate analysis revealed that users of professional care were older, more often female and more often not married. Their social network was less extensive, as they received less informal care and lived alone more often. Besides they had more mental and financial problems. From the regression analysis it appeared that, in addition to the functional status, the amount of informal care and the household composition contributed to the utilization of professional home care. For the other characteristics inventoried, no independent association with the utilization of professional care could be established. With hindsight, it appeared that in this study long interviews hardly had additional value over postal questionnaires, in which the contribution of functional status and informal care to professional care was already discovered.