Because each of the 7 items is scored from 0 to 3, the GAD-7 scale score ranges from 0 to 21. Reliability and procedural validity The internal consistency of the GAD-7 was excellent (Cronbach α = .92). Test-retest reliability was also good (intraclass correlation = 0.83). Comparison ...
The interview also included the 13 potential GAD depression score correlation [ r =0.16-0.21]). Because scale items to test agreement between self-report and clinician each of the 7 items is scored from 0 to 3, the GAD-7 administration (ie, procedural validity).24 scale score ranges from ...
Reliability and Score Ranges of the PHQ-9 and GAD-7 in a Primary and Secondary Care Mental Health ServiceDepressionAnxietyPrimary careSecondary careThis paper offers a short history of routine clinical outcomes measurement (RCOM) in UK mental health services. RCOM developments in primary and ...
A brief measure for assessing generalized anxiety disorder: the GAD-7. Arch Intern Med. 2006;166(10):1092–7. https://doi.org/10.1001/archinte.166.10.1092. Article PubMed Google Scholar Richardson T, Wrightman M, Yeebo M, Lisicka A. Reliability and score ranges of the PHQ-9 and GAD...