Smart mental health care: validation study of mental health monitoring through smartphone application

Suh, H.; Moon, Eunsoo; Kim, K.; Park, J.; Lim, Hyun Ju

doi:10.1016/j.nsa.2022.100318

Cited by 1 publication

(1 citation statement)

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“…[20][21][22][23] The 9-item Patient Health Questionnaire-9 (PHQ-9) is another brief, reliable and valid screening tool for depression in the general population or clinical samples. [24][25][26] The PHQ-9 has been used in studies with breast cancer patients, 27,28 but there has been only one preliminarily study that examined the reliability and validity of the Portuguese version of the PHQ-9 in 49 breast cancer patients. 29 Moreover, the construct validity of PHQ-9 in breast cancer patients has not yet been reported.…”

Section: Original Articlementioning

confidence: 99%

Psychometric Properties of the Patient Health Questionnaire-9 in Patients With Breast Cancer

Park,

Kim,

Moon

et al. 2024

Psychiatry Investig

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Objective Due to the high frequency of depressive symptoms associated with breast cancer, it is crucial to screen for depression in breast cancer patients. While numerous screening tools are available for depression in this population, there is a need for a brief and convenient tool to enhance clinical use. This study aims to investigate the psychometric properties of the Patient Health Questionnaire-9 (PHQ-9) in patients with breast cancer.Methods Patients with breast cancer (n=327) who visited the Breast Cancer Clinic were included in this study. The reliability of the PHQ-9 was analyzed by Cronbach’s α, and the construct validity of the PHQ-9 was explored by factor analysis. The concurrent validity of the PHQ-9 was evaluated by Pearson correlation analysis with the Hospital Anxiety and Depression Scale (HADS) and Perceived Stress Scale (PSS).Results The values of Cronbach’s α ranged from 0.800 to 0.879 was acceptable. The exploratory factor analysis revealed that the one-factor model and two-factor model of the PHQ-9 explained 46% and 57% of the variance, respectively. The PHQ-9 were significantly correlated with those of HADS (r=0.702, p<0.001) and PSS (r=0.466, p<0.001). Consequently, the PHQ-9 demonstrated acceptable reliability and validity in breast cancer patients.Conclusion The findings of this study indicate that the PHQ-9 exhibits acceptable reliability and validity in patients with breast cancer. The convenience of this brief self-report questionnaire suggests its potential as a reliable and valid tool for assessing depression in breast cancer clinics.

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