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Development and initial psychometric properties of the ‘ ICIQ ‐Cog’: a new assessment tool to measure the disease‐related impact and care effort associated with incontinence in cognitively impaired adults
Author(s) -
VolzSidiropoulou Eftychia,
Rings Theresa,
Wagg Adrian S.,
Leistner Nadine,
Gauggel Siegfried,
KirschnerHermanns Ruth
Publication year - 2018
Publication title -
bju international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.773
H-Index - 148
eISSN - 1464-410X
pISSN - 1464-4096
DOI - 10.1111/bju.14186
Subject(s) - cog , rasch model , medicine , psychometrics , cognition , item response theory , scale (ratio) , gerontology , psychology , clinical psychology , developmental psychology , psychiatry , computer science , cartography , artificial intelligence , geography
Objectives To develop a new assessment tool, the ICIQ ‐Cog, to measure the disease‐related impact of incontinence in cognitively impaired adults and the effort associated with the care of this population, and to present the initial psychometric properties of this tool and outline the possible clinical implications. Participants and Methods The ICIQ ‐Cog consists of two scales: a 12‐item scale measuring disease‐specific bother ( ICIQ ‐Cog‐P) and a four‐item scale assessing efforts associated with care of people with incontinence and cognitive impairment ( ICIQ ‐Cog‐C). Data on 60 nursing home residents with incontinence and cognitive impairment were obtained in a test–retest research design. The psychometric properties of the ICIQ ‐Cog were examined using a combination of classic and item response theory methods. Results Factor analyses resulted in a three‐factor solution for the ICIQ ‐Cog‐P, with interrelated factors. Rasch analysis showed a good model fit when collapsing response categories. The ICIQ ‐Cog‐C fitted to one dimension. The ICIQ ‐Cog tool provided reliable measures in terms of internal consistency (0.69–0.82) and retest reliability (0.71–0.83). The preliminary results on external validity showed that the ICIQ ‐Cog assessed disease‐specific aspects linked to the group of cognitively impaired people with incontinence. Conclusion The ICIQ ‐Cog tool has appropriate psychometric and clinometric properties and is therefore useful for making decisions about treatment in cognitively impaired adults with incontinence.

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