Journal
QUALITY OF LIFE RESEARCH
Volume 24, Issue 11, Pages 2795-2805Publisher
SPRINGER
DOI: 10.1007/s11136-015-1009-4
Keywords
Psychometrics; Morale; Quality of life; Feasibility studies; Aged, 80 and over; Psychological well-being
Categories
Funding
- Interreg IIIA Kvarken-MittSkandia Program
- Bothnia-Atlantica Program - European Union
- Bothnia-Atlantica Program - European Regional Development Fund
- Umea University Foundation for Medical Research
- King Gustav V's and Queen Viktoria's Foundation of Freemasons
- Vasterbotten County Council
- Strategic Research Program in Care Sciences
- Norrbotten County Council, Sweden
- Joint Committee of County Councils in Northern Sweden Visare Norr
- Swedish Research Council for Health
- Working Life and Welfare [2013-1512]
- Swedish Research Council [K2014-99X-22610-01-6]
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Purpose Morale is related to psychological well-being and quality of life in older people. The Philadelphia Geriatric Center Morale Scale (PGCMS) is widely used to assess morale. The purpose of this study was to evaluate the psychometric properties and feasibility of the Swedish version of the 17-item PGCMS among very old people. Methods The UmeAyen 85+/GERDA study included Swedish-speaking people aged 85, 90 and 95 years and older, from Sweden and Finland. Participants were interviewed in their own homes using a predefined set of questions. In the main sample, 493 individuals answered all 17 PGCMS items (aged 89.0 +/- A 4.3 years). Another 105 answered between 1 and 16 questions (aged 89.6 +/- A 4.4 years). A convenience sample was also collected, and 54 individuals answered all 17 PGCMS items twice (aged 84.7 +/- A 6.7 years). The same assessor restated the questions within 1 week. Results Cronbach's alpha was 0.74 among those who answered all 17 questions in the main sample. Confirmatory factor analysis was used to test the construct validity of the most widely used version of the PGCMS, with 17 items and three factors, and showed a generally good fit. Among those answering between 1 and 17 PGCMS questions, 92.6 % (554/598) answered 16 or 17. The convenience sample was used for intra-rater test-retesting, and the intraclass correlation coefficient (ICC) was 0.89. The least significant change between two assessments, with 95 % confidence interval, was 3.53 PGCMS points. Conclusion The Swedish version of the PGCMS seems to have satisfactory psychometric properties and feasibility among very old people.
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