Pachana, N. A. and Byrne, G. J. A. (2009). The Geriatric Anxiety Inventory. In: XIXth World Congress of Gerontology and Geriatrics, Paris, France, (S123-S124). 5-8 July, 2009. doi:10.1007/s12603-009-0093-y
A brief measure of dimensional anxiety specifically designed for use in older adults has been lacking for many years. The Geriatric Anxiety Inventory (GAI), a brief self-report measure specifically designed for use in older adults, was developed and validated in a variety of patient populations. The scale demonstrated good reliability in both normal community and psychiatric samples (Cronbach’s alpha 0.91 and 0.93, respectively).
Concurrent validity with other measures was high, while inter-rater and test-retest reliability were excellent. The GAI successfully discriminated between patients with and without any anxiety disorder [F(1,44) = 16.87, p = 0.0002]. Receiver operating characteristic (ROC) analysis indicated an optimum cut point of 8/9 to identify older patients with any anxiety disorder, classifying 78% of patients correctly (sensitivity 73%, specificity 80%). Evidence of good pre-post utility of the measure in treatment studies on clinical populations has been found. The GAI has been used successfully with older patients with mild cognitive impairment and Parkinson’s disease.