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The factor structure of the PHQ-9 in palliative care

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The factor structure of the PHQ-9 in palliative care. / Chilcot, J; Rayner, L; Lee, W et al.
In: Journal of Psychosomatic Research, Vol. 75, No. 1, 31.07.2013, p. 60-64.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Chilcot, J, Rayner, L, Lee, W, Price, A, Goodwin, L, Monroe, B, Sykes, N, Hansford, P & Hotopf, M 2013, 'The factor structure of the PHQ-9 in palliative care', Journal of Psychosomatic Research, vol. 75, no. 1, pp. 60-64. https://doi.org/10.1016/j.jpsychores.2012.12.012

APA

Chilcot, J., Rayner, L., Lee, W., Price, A., Goodwin, L., Monroe, B., Sykes, N., Hansford, P., & Hotopf, M. (2013). The factor structure of the PHQ-9 in palliative care. Journal of Psychosomatic Research, 75(1), 60-64. https://doi.org/10.1016/j.jpsychores.2012.12.012

Vancouver

Chilcot J, Rayner L, Lee W, Price A, Goodwin L, Monroe B et al. The factor structure of the PHQ-9 in palliative care. Journal of Psychosomatic Research. 2013 Jul 31;75(1):60-64. Epub 2013 Jan 24. doi: 10.1016/j.jpsychores.2012.12.012

Author

Chilcot, J ; Rayner, L ; Lee, W et al. / The factor structure of the PHQ-9 in palliative care. In: Journal of Psychosomatic Research. 2013 ; Vol. 75, No. 1. pp. 60-64.

Bibtex

@article{f81eba995bbf4d0bb3962e95033116ad,
title = "The factor structure of the PHQ-9 in palliative care",
abstract = "ObjectivesThe Primary Care Evaluation of Mental Disorders Patient Health Questionnaire (PRIME-MD PHQ-9) is a common screening tool designed to facilitate detection of depression according to DSM-IV criteria. However, the factor structure of the PHQ-9 within the palliative care population has not been evaluated.Methods300 participants completed the PHQ-9 within one week of referral to a palliative care service. Participants completed the PHQ-9 again four weeks later (n = 213). Confirmatory factor analysis (CFA) and multiple-group CFA were undertaken to test the factor structure of the PHQ-9 and evaluate model invariance over time.ResultsA two-factor model comprising somatic and cognitive–affective latent factors provided the best fit to the data. Multiple-group CFA suggested model invariance over time. Structural equation modelling revealed that follow-up (time 2) cognitive–affective and somatic symptoms were predicted by their baseline (time 1) factors.ConclusionsThe PHQ-9 measures two stable depression factors (cognitive–affective and somatic) within the palliative care population. Studies are now required to examine the trajectories of these symptoms over time in relation to clinical intervention and events.",
author = "J Chilcot and L Rayner and W Lee and A Price and L Goodwin and B Monroe and N Sykes and P Hansford and M Hotopf",
year = "2013",
month = jul,
day = "31",
doi = "10.1016/j.jpsychores.2012.12.012",
language = "English",
volume = "75",
pages = "60--64",
journal = "Journal of Psychosomatic Research",
issn = "0022-3999",
publisher = "Elsevier Inc.",
number = "1",

}

RIS

TY - JOUR

T1 - The factor structure of the PHQ-9 in palliative care

AU - Chilcot, J

AU - Rayner, L

AU - Lee, W

AU - Price, A

AU - Goodwin, L

AU - Monroe, B

AU - Sykes, N

AU - Hansford, P

AU - Hotopf, M

PY - 2013/7/31

Y1 - 2013/7/31

N2 - ObjectivesThe Primary Care Evaluation of Mental Disorders Patient Health Questionnaire (PRIME-MD PHQ-9) is a common screening tool designed to facilitate detection of depression according to DSM-IV criteria. However, the factor structure of the PHQ-9 within the palliative care population has not been evaluated.Methods300 participants completed the PHQ-9 within one week of referral to a palliative care service. Participants completed the PHQ-9 again four weeks later (n = 213). Confirmatory factor analysis (CFA) and multiple-group CFA were undertaken to test the factor structure of the PHQ-9 and evaluate model invariance over time.ResultsA two-factor model comprising somatic and cognitive–affective latent factors provided the best fit to the data. Multiple-group CFA suggested model invariance over time. Structural equation modelling revealed that follow-up (time 2) cognitive–affective and somatic symptoms were predicted by their baseline (time 1) factors.ConclusionsThe PHQ-9 measures two stable depression factors (cognitive–affective and somatic) within the palliative care population. Studies are now required to examine the trajectories of these symptoms over time in relation to clinical intervention and events.

AB - ObjectivesThe Primary Care Evaluation of Mental Disorders Patient Health Questionnaire (PRIME-MD PHQ-9) is a common screening tool designed to facilitate detection of depression according to DSM-IV criteria. However, the factor structure of the PHQ-9 within the palliative care population has not been evaluated.Methods300 participants completed the PHQ-9 within one week of referral to a palliative care service. Participants completed the PHQ-9 again four weeks later (n = 213). Confirmatory factor analysis (CFA) and multiple-group CFA were undertaken to test the factor structure of the PHQ-9 and evaluate model invariance over time.ResultsA two-factor model comprising somatic and cognitive–affective latent factors provided the best fit to the data. Multiple-group CFA suggested model invariance over time. Structural equation modelling revealed that follow-up (time 2) cognitive–affective and somatic symptoms were predicted by their baseline (time 1) factors.ConclusionsThe PHQ-9 measures two stable depression factors (cognitive–affective and somatic) within the palliative care population. Studies are now required to examine the trajectories of these symptoms over time in relation to clinical intervention and events.

U2 - 10.1016/j.jpsychores.2012.12.012

DO - 10.1016/j.jpsychores.2012.12.012

M3 - Journal article

C2 - 23751240

VL - 75

SP - 60

EP - 64

JO - Journal of Psychosomatic Research

JF - Journal of Psychosomatic Research

SN - 0022-3999

IS - 1

ER -