Published on 8 de mayo de 2026 | http://doi.org/10.5867/medwave.2026.04.3176

Cultural adaptation to Shawi and psychometric analysis of the Patient Health Questionnaire (PHQ-9) in adults from the Alto Amazonas, Peru

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Graphical model of the factor structure of the Shawi PHQ-9. PHQ-9: Patient Health Questionnaire-9; λ: standardized factor loadings; θ: residual variance (unique error) of a latent variable.

Source: Prepared by the authors based on study results.