Validity of the patient health questionnaires (phq-2 and phq-9) for screening depression among human immunodeficiency virus patients in Lahore,Pakistan |
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Authors: | Khunsa Junaid Iqra Akram Muhammad Daood Amjad Khan |
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Affiliation: | Khunsa Junaid, Muhammad Daood, Department of Community Medicine, King Edward Medical University, Lahore 54000, Punjab Province, PakistanIqra Akram, Department of Pulmonology, General Hospital, Lahore 54000, Punjab Province, PakistanAmjad Khan, Department of Public Health and Nutrition, the University of Haripur, Haripur 22781, Khyber Pakhtunkhwa, Pakistan |
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Abstract: | BACKGROUNDMany human immunodeficiency virus (HIV) infected patients suffer from depr-ession, but a little focus is given to detecting and treating depression in primary health care. Detection of depression can be improved by introducing short, reliable, and valid screening instruments.AIMTo determine the psychometric properties of the patient health questionnaire-2 (PHQ-2) and patient health questionnaire-9 (PHQ-9) for depression screening and diagnosis, and the sensitivity and specificity of the PHQ-2 in HIV infected patients.METHODSA cross-sectional study was conducted on 158 HIV-infected patients aged 18 years and above in Lahore, Pakistan. PHQ-2 was implemented to screen depression. PHQ-9 was implemented to diagnose major depressive disorder as a reference standard. Reliability, Validity tests and receiver operating characteristic curve were computed. RESULTSThe Cronbach''s alpha of PHQ-2 and PHQ-9 were 0.732 and 0.759, respectively. The study results showed that the score of 2 on PHQ-2 indicates the highest Youden''s index of 0.924, with both sensitivity and specificity of 0.96, and the area under the curve for PHQ-2 was 0.98 (95%CI: 0.953-0.998).CONCLUSIONGood psychometric properties for the PHQ-2 and PHQ-9 indicated their significant potential as tools for depression screening and diagnosis in the HIV-infected population. |
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Keywords: | Depression Validity Patient health questionnaire-9 Patient health questionnaire-2 HIV/AIDS Lahore Pakistan |
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