Key result
The Greek translation of the Short Anxiety Screening Test demonstrated good internal consistency and test-retest reliability (ICC 0.763) for detecting anxiety in older primary care patients.
Cross-Sectional (n=99)
Yes
The Greek translation of the SAST questionnaire is a reliable and valid screening tool for anxiety in older primary care patients.
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May support Greek SAST use for anxiety screening in older primary care; extends validation but leaves open diagnostic accuracy testing.
BACKGROUND: The aim of the current study was to assess the reliability and validity of the Greek translation of the Short Anxiety Screening Test (SAST), for use in primary care settings. The scale consists of 10 items and is a brief clinician rating scale for the detection of anxiety disorder in older people, particularly, in the presence of depression. METHODS: The study was performed in two rural primary care settings in Crete. The sample consisted of 99 older (76 +/- 6.3 years old) people, who fulfilled the participating criteria. The translation and cultural adaptation of the questionnaire was performed according to international standards. Internal consistency using the Cronbach alpha coefficient and test-retest reliability using the intraclass correlation coefficient (ICC) was used to assess the reliability of the tool. An exploratory factor analysis using Varimax with Kaiser normalisation (rotation method) was used to examine the structure of the instrument, and for the correlation of the items interitem correlation matrix was applied and assessed with Cronbach alpha. RESULTS: Translation and backtranslation did not reveal any specific problems. The psychometric properties of the Greek version of the SAST scale in primary care were good. Internal consistency of the instrument was good, the Cronbach alpha was found to be 0.763 (P <0.001) and ICC (95% CI) for reproducibility was found to be 0.763 (0.686 to 0.827). Factor analysis revealed three factors with eigenvalues >1.0 accounting for 60% of variance, while the Cronbach alpha was >0.7 for every item. CONCLUSIONS: The Greek translation of the SAST questionnaire is comparable with that of the original version in terms of reliability, and can be used in primary healthcare research. Its use in clinical practice should be primarily as a screening tool only at this stage, with a follow-up consisting of a detailed interview with the patient, in order to confirm the diagnosis.
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Grammatikopoulos et al. (2010) conducted a cross-sectional in Anxiety (n=99). Short Anxiety Screening Test (SAST) Greek version was evaluated on Test-retest reliability (reproducibility) (ICC 0.763, 95% CI 0.686 to 0.827, p=<0.001). The Greek translation of the Short Anxiety Screening Test demonstrated good internal consistency and test-retest reliability (ICC 0.763) for detecting anxiety in older primary care patients.
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