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Quality of Life Research
Gepubliceerd in: Quality of Life Research 7/2011

01-09-2011

The CASP-19 as a measure of quality of life in old age: evaluation of its use in a retirement community

Auteurs: Julius Sim, Bernadette Bartlam, Miriam Bernard

Gepubliceerd in: Quality of Life Research | Uitgave 7/2011

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Abstract

Purpose

The CASP-19 is a quality-of-life measure comprising four domains (‘control’, ‘autonomy’, ‘pleasure’ and ‘self-realization’), developed initially in a population aged 65–75 years. This study tested the scale for use in a population whose demographic profile and residential status differed markedly from the original population.

Methods

CASP-19 data were gathered from 120 residents of a UK retirement community. Distribution of scores, factor structure, internal consistency and construct validity were examined.

Results

Scores were negatively skewed, especially on the pleasure domain. Attempts to confirm the factor structure of the scale were equivocal. Coefficients for composite reliability ranged from 0.52 to 0.84 across domains. Some items, particularly in the control and autonomy domains, showed low correlations with their domains. The CASP-19 correlated with the Diener Satisfaction with Life Scale (r = 0.66), and the physical (r = 0.53) and mental (r = 0.49) component summaries of the SF-12, supporting its construct validity. A recently proposed 12-item version of the scale appears to have superior dimensionality.

Conclusion

Although in some respects the CASP-19 exhibited good psychometric properties, the internal consistency and dimensionality of the control and autonomy domains are suspect. Further modification of the scale may be fruitful from a psychometric point of view.
vorige artikel Intergenerational volunteering and quality of life: mixed methods evaluation of a randomized control trial involving persons with mild to moderate dementia
volgende artikel How useful are the SF-36 sub-scales in older people? Mokken scaling of data from the HALCyon programme
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Metagegevens
Titel
The CASP-19 as a measure of quality of life in old age: evaluation of its use in a retirement community
Auteurs
Julius Sim
Bernadette Bartlam
Miriam Bernard
Publicatiedatum
01-09-2011
Uitgeverij
Springer Netherlands
Gepubliceerd in
Quality of Life Research / Uitgave 7/2011
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-010-9835-x

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