Jafet Arrieta|Mercedes Aguerrebere|Giuseppe Raviola|Hugo Flores|Patrick Elliott|Azucena Espinosa|Ariel E. Reyes|Eduardo Ortiz?Panozo|Elena G Rodriguez-Gutierrez|Joia Mukherjee|Daniel Palazuelos|Molly F. Franke
Validity and Utility of the Patient Health Questionnaire (PHQ)-2 and PHQ-9 for Screening and Diagnosis of Depression in Rural Chiapas, Mexico: A Cross-Sectional Study
Partners In Health|Harvard University|Partners In Health|Harvard University|Partners In Health|Harvard University|Partners In Health|Brigham and Women's Hospital|Harvard University|Partners In Health|Brigham and Women's Hospital|Partners In Health|Partners In Health|Tecnológico de Monterrey|Harvard University|Partners In Health|Brigham and Women's Hospital|Harvard University|Partners In Health|Brigham and Women's Hospital|Harvard University
depressive disorders frequently diagnosed resourcelimited settings lack access mental health care inability healthcare providers recognize patient health questionnaire phq2 phq9 widely used screening diagnosis depression primary care settings however validity use rural spanishspeaking populations unknownwe used crosssectional design assess psychometric properties phq9 depression diagnosis estimated sensitivity specificity phq2 depression screening data collected 223 adults rural community chiapas mexico using phq2 phq9 world health organization quality life bref scale whoqol brefconfirmatory factor analysis suggested 1factor structure fit reasonably well internal consistency phq9 good cronbachs alpha 08 overall subgroups defined gender literacy age phq9 demonstrated good predictive validity participants phq9 diagnosis depression lower quality life scores overall whoqolbref scale domains using phq9 results gold standard optimal phq2 cutoff score screening depression 3 sensitivity 8000 specificity 8688 area receiver operating characteristic curve 089 95 confidence interval 084 094the phq2 phq9 demonstrated good psychometric properties suggesting potential benefit tools depression screening diagnosis rural spanishspeaking populations