The analysis aims to examine to what degree the methods of measuring a statistical indicator (incidence of disability) make possible comparisons able to be used for shape social policy and practice at national or regional level. Findings indicate significant differences between the results of different studies. This can be explained by objective reasons, mainly demographics but - especially – by subjective reasons related to the definition and measurement features. The main findings indicate a need to rethink the whole process of measuring and predicting a major increase in resources necessary for care in the medium term
Keywords: disability, handicap, incidence, measurement, social protection, statistics
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