Construct Validity and Differential Item Functioning of the PHQ-9 Among Health Care Workers: Rasch Analysis Approach.

Surin JiraniramaiTinakon Wongpakaran Chaisiri AngkurawaranonWichuda JiraporncharoenNahathai Wongpakaran

Published in: Neuropsychiatric disease and treatment (2021)

The PHQ-9 can be used as a screening questionnaire for major depressive disorder as its psychometric property was verified based on Rasch measurement model. The findings are generally consistent with related studies in other populations. However, the PHQ-9 may be unsuitable for assessing depressive symptoms among health care workers who have low levels of depression.

Keyphrases

major depressive disorder
psychometric properties
depressive symptoms
bipolar disorder
sleep quality
social support
cross sectional
physical activity
case control
genetic diversity
drug induced