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Test-retest reliability of Common Mental Disorders Questionnaire (CMDQ) in patients with total hip replacement (THR).


ABSTRACT:

Background

The Common Mental Disorders Questionnaire (CMDQ) is used to assess patients' mental health. It has previously been shown to provide a sensitive and specific instrument for general practitioner setting but has so far not been tested in hospital setting or for changes over time (test-retest). The aim of this study is, by means of a test-retest method, to investigate the reliability of the instrument over time with total hip replacement (THR) patients.

Methods

Forty-nine hip osteoarthritis patients who had undergone THR answered the questionnaire twelve months after their operation. Fourteen days later they completed it again. Covering emotional disorder, anxiety, depression, concern, somatoform disorder and alcohol abuse, the questionnaire consists of 38 items with six subscales, each of which has between 4 to 12 items. A five-point Likert scale (from 0-4) is used.

Results

For each of the 38 questions, a quadratic-weighted Kappa coefficient of 0.42 (0.68 - 0.16) to 0.98 (1.00 - 0.70) was found. A Cronbach's alpha of 0.94 for all the questions indicated high internal consistency.

Conclusion

The results showed a moderate to almost perfect reliability of CMDQ of this specific population.

Trial registration

Current Controlled Trials: NCT01205295.

SUBMITTER: Bilberg R 

PROVIDER: S-EPMC4317134 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Publications

Test-retest reliability of Common Mental Disorders Questionnaire (CMDQ) in patients with total hip replacement (THR).

Bilberg Randi R   Nørgaard Birgitte B   Roessler Kirsten Kaya KK   Overgaard Søren S  

BMC psychology 20140908 1


<h4>Background</h4>The Common Mental Disorders Questionnaire (CMDQ) is used to assess patients' mental health. It has previously been shown to provide a sensitive and specific instrument for general practitioner setting but has so far not been tested in hospital setting or for changes over time (test-retest). The aim of this study is, by means of a test-retest method, to investigate the reliability of the instrument over time with total hip replacement (THR) patients.<h4>Methods</h4>Forty-nine h  ...[more]

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