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. 1990 Aug;30(4):497-502.
doi: 10.1093/geront/30.4.497.

The development of a hierarchical polychotomous ADL-IADL scale for noninstitutionalized elders

G I Kempen  1 , T P Suurmeijer
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The development of a hierarchical polychotomous ADL-IADL scale for noninstitutionalized elders

G I Kempen et al. Gerontologist. 1990 Aug.

Abstract

A hierarchical scale comprising 18 activities of daily living (ADL) and instrumental activities of daily living (IADL) items was tested on a sample of 101 noninstitutionalized people of 60 years and older in a northern part of the Netherlands. Three possible answers per item were used. The results confirmed the possibility of constructing a unidimensional, hierarchical, polychotomous scale for older people, measuring "functional problems on ADL-IADL." Moreover, the possibility of using two separate subscales (for ADL and IADL) was observed.

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