A psychometric assessment of the Patient Health Questionnaire-9 for people living with acutely-treated HIV in Thailand
Hamby T, Pinyakorn S, Frndak S, Chomchey N, Kanaprach R, Chan P, Schluck G, Kroon E, Suttichom D, Poonpitak L, Sriplienchan S, Spudich S, Phanuphak N, Trautmann L, Paul R, Sacdalan C, Crowell T, Group T. A psychometric assessment of the Patient Health Questionnaire-9 for people living with acutely-treated HIV in Thailand. Psychiatry Research Communications 2026, 6: 100242. DOI: 10.1016/j.psycom.2025.100242.Peer-Reviewed Original Research
Patient Health Questionnaire-9Bi-factor modelLongitudinal measurement invarianceConfirmatory factor analysisItem response theoryThai PLWHPsychometric propertiesBi-factorTest-retest reliabilityItem response theory analysisSuperior fit indicesAntiretroviral therapyInternal consistencyStudy participantsDepression InventoryFit indicesPLWHPsychometric assessmentLongitudinal researchAcute HIVHIVSupport useFactor analysisGeneral factorMeasurement invariance