Generalized Anxiety Disorder Severity Scale validation in older adults
Open accessAbstract
Objectives The Generalized Anxiety Disorder Severity Scale (GADSS) is a validated measure of Generalized Anxiety Disorder (GAD) symptom severity. Given the high prevalence of GAD in the elderly and the need for a validated scale to assess GAD severity in this age group, the authors examined the psychometric properties of the GADSS in the elderly.Design, setting, participants The authors examined a sample of 134 elderly subjects (age 60 and above) who met diagnostic criteria for current GAD, 33 healthy elderly comparison subjects (age 60 and above) and 186 younger subjects (age 18-60) diagnosed with GAD.Results The GADSS had a high internal consistency in the elderly subjects (raw Cronbach's alpha = 0.76). Pearson correlations showed a significant positive correlation between GADSS, Hamilton Rating Scale for Anxiety and Penn State Worry Questionnaire. Pearson correlations showed an inverse significant correlation between GADSS and the Medical Outcome Study SF-36. There was no correlation between GADSS and Mini Mental State Examination or Cumulative Illness Rating Scale for Geriatrics.Conclusions The results showed a good convergent, concurrent, and discriminant validity of the GADSS when used for elderly with GAD. The authors conclude that GADSS is a valid measure of GAD symptom severity in older adults.
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The GADSS has adequate psychometric properties among older adults.
“has adequate psychometric properties among older adults (Andreescu et al., 2008; Weiss et al., 2009).”
From Cognitive-behavioral therapy for late-life anxiety: Similarities and differences between Veteran and community participants (2015) · cites this paper as Andreescu et al., 2008
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- Authors
- Andreescu, C., Belnap, B. H., Rollman, B. L., Houck, P., Ciliberti, C., Mazumdar, S., Shear, M. K., & Lenze, E. J.
- Affiliations
- University of Pittsburgh (US)
- Columbia University (US)
- Washington University in St. Louis (US)
- Corresponding author
- Andreescu, Carmen
- Venue
- The American Journal of Geriatric Psychiatry
- Publisher
- Elsevier BV
- Published
- 2008-10
- Volume
- 16
- Issue
- 10
- Pages
- 813-818
- ISSN
- 1064-7481 (ISSN-L)
- PMC
- PMC2803316
- OpenAlex
- W2044938441
- Cited by
- 35
- References
- 52
- Citations by year
- 2026: 2 · 2023: 2 · 2020: 1 · 2017: 3 · 2016: 3 · 2015: 4 · 2014: 1 · 2013: 6 · 2012: 4
- FWCI
- 4.09
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- American Journal of Geriatric Psychiatry (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- U.S. Public Health Service (P50 071944, R01 059395, R01 070547)
- National Institute of Mental Health (R01MH059395, P30MH071944, R01MH070547)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
- Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
- Social Sciences › Psychology › Clinical Psychology › COVID-19 and Mental Health
- Keywords
- generalized anxiety disorder, older adults, anxiety symptom severity, psychometric validation, convergent validity, discriminant validity, internal consistency, Hamilton Anxiety Rating Scale, Penn State Worry Questionnaire, SF-36
- MeSH terms
- Adolescent, Adult, Aged, Anxiety Disorders, Female, Humans, Male, Middle Aged, Surveys and Questionnaires, Severity of Illness Index, Reproducibility of Results, Prevalence, Treatment Outcome, Young Adult
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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