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Spinal Cord. 2012 Sep;50(9):707-10. doi: 10.1038/sc.2012.33. Epub 2012 Apr 10.

Validity of the mental health subscale of the SF-36 in persons with spinal cord injury.

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  • 1Swiss Paraplegic Research, Nottwil, Switzerland.

Abstract

STUDY DESIGN:

Cross-sectional study 5 years after discharge from inpatient rehabilitation.

OBJECTIVE:

To examine the psychometric properties of the Mental Health subscale (MHI-5) of the 36-Item Short Form Health Survey (SF-36) in persons with spinal cord injury (SCI).Setting:Eight Dutch rehabilitation centres with specialised SCI units.

METHODS:

Possible floor and ceiling effects were assessed, and Cronbach's α coefficient was calculated to assess internal consistency. Concurrent and divergent validity were assessed using Spearman correlations between the MHI-5 and measures of life satisfaction, neuroticism, vitality, general health, functional independence, participation, lesion characteristics and demographics.

RESULTS:

There were no floor or ceiling effects, but the total MHI-5 score was slightly skewed (-1.15). Internal consistency was good (α=0.79). Concurrent validity was shown by significant Spearman correlations between the MHI-5 and life satisfaction (0.53), neuroticism (-0.55), vitality (0.53) and general health (0.37). Divergent validity was shown by weak and, in part, non-significant correlations between the MHI-5 and functional independence (0.09), participation (-0.28) and lesion characteristics (range -0.01-0.19).

CONCLUSION:

The MHI-5 showed reliability and validity as a measure of mood in persons with SCI, and is a promising measurement instrument to assess mental health problems in this population.

PMID:
22487956
[PubMed - indexed for MEDLINE]
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