Key result
PHQ-9 and GAD-7 show strong validity for assessing depression and anxiety in Mexican cancer patients.
Why the study?
The study was designed to examine the psychometric properties of the PHQ-9 and GAD-7 in Mexican cancer patients and evaluate their utility as brief screening measures for depression and anxiety in oncology care.
Are the PHQ-9 and GAD-7 valid and reliable tools for detecting depressive and anxiety symptoms in Mexican cancer patients?
Cross-Sectional (n=357)
No
Are the PHQ-9 and GAD-7 valid and reliable tools for detecting depressive and anxiety symptoms in Mexican cancer patients?
The PHQ-9 and GAD-7 are valid and reliable brief screening tools for detecting anxiety and depression in Mexican cancer patients.
May support screening in Mexican cancer patients; extends validation to this population but leaves adoption open pending prospective data.
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Galindo-Vázquez et al. (2026) conducted a cross-sectional in Cancer (n=357). PHQ-9 and GAD-7 questionnaires was evaluated on Factorial structure and internal consistency. The PHQ-9 and GAD-7 demonstrated valid factorial structures and strong internal consistency (Cronbach's α = 0.837 and 0.881, respectively) for assessing depression and anxiety in Mexican cancer patients.
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