Depressive and anxiety disorders are two common presenting concerns among adults in the United States who seek mental health counseling services. Mental health counselors need screening tools with validated scores for detecting their clients’ symptoms of depression and anxiety. The Patient Health Questionnaire–9 (PHQ-9) and Generalized Anxiety Disorder–7 (GAD-7) are popular screening tools for measuring symptoms of depression and anxiety, respectively. However, the literature is lacking temporally valid research on these popular screening tools, which is concerning, as the psychometric properties of instrumentation can vary substantially over time. We tested the psychometric properties of the PHQ-9 and GAD-7 with a national stratified random sample (N = 1,812) of adults in the United States. The results were promising and begin to address the temporal validity gap in the extant literature regarding the psychometric properties of GAD-7 and PHQ-9. Collectively, findings supported the utility of the GAD-7 and PHQ-9 for enhancing the practice of mental health counselors.
Factorial Invariance of Scores on the Patient Health Questionnaire–9 and Generalized Anxiety Disorder–7 With Adults in the United States
Michael T. Kalkbrenner, Adam J. Hunt, Aimee F. Ryan, Samiah R. Rahman; Factorial Invariance of Scores on the Patient Health Questionnaire–9 and Generalized Anxiety Disorder–7 With Adults in the United States. Journal of Mental Health Counseling 1 January 2024; 46 (1): 74–94. doi: https://doi.org/10.17744/mehc.46.1.05
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