2026-07-21T14:41:18Zhttps://repisalud.isciii.es/rest/oai/requestoai:repisalud.isciii.es:20.500.12105/110842025-06-19T18:36:45Zcom_20.500.12105_2052com_20.500.12105_2051col_20.500.12105_19608col_20.500.12105_19613
Repisalud
author
Rodriguez-Blazquez, Carmen
author
Ribeiro, Oscar
author
Ayala, Alba
author
Teixeira, Laetitia
author
Araújo, Lia
author
Forjaz, Maria João
funder
Max Planck Society
funder
NIH - National Institute on Aging (NIA) (Estados Unidos)
funder
Unión Europea. Comisión Europea
funder
Federal Ministry of Education & Research (Alemania)
funder
Instituto de Salud Carlos III
2020-09-29T09:20:29Z
2020-09-29T09:20:29Z
2020-09-11
Int J Environ Res Public Health . 2020 Sep 11;17(18):E6610.
10.3390/ijerph17186610
1660-4601
International journal of environmental research and public health
32932768
http://hdl.handle.net/20.500.12105/11084
The purpose of this study is to assess the psychometric properties of the Portuguese version of the Control, Autonomy, Self-realization, and Pleasure (CASP)-12 scale used in the Survey of Health, Aging and Retirement in Europe (SHARE) project. Data were obtained from a representative sample of 1666 people aged ≥50 years living in Portugal and participating in the SHARE wave 6. In addition to the CASP-12 scale, sociodemographic data and health status, activity limitation (GALI), depression (Euro-D) and satisfaction with life scores were collected. Data quality and acceptability, construct and structural validity and internal consistency of the CASP-12 scale were analyzed. A Rasch analysis was also performed. CASP-12 total score (mean: 33.3; standard deviation: 5.8, range: 12-48) correlated with Euro-D (-0.57) and with life satisfaction (0.52). Mean scores were significantly lower for women, people aged ≥75 years and those with activity limitations and worse health status (p < 0.001). The confirmatory factor analysis showed good fit to the 4-factor model (root mean squared error of approximation (RMSEA): 0.07; comparative fit index (CFI): 0.90, χ2 (48) = 444.59, p < 0.001), which was confirmed by Rasch analysis (χ2 (36) = 10.089, p = 0.745, person separation index (PSI) = 0.722 for the 4-factor model). For domains, person separation index ranged 0.31-0.79 and Cronbach's alpha, 0.37-0.73. In conclusion, the Portuguese version of the CASP-12 scale presents some inadequacies in acceptability, internal consistency and structural validity.
eng
Psychometric Properties of the CASP-12 Scale in Portugal: An Analysis Using SHARE Data
research article
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PsychometricPropertiesOfThe_2020.pdf
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PsychometricPropertiesOfThe_2020.pdf.txt