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An evaluation of a brief health status measure in elderly veterans
M Weinberger1, G P Samsa, J T Hanlon
1Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC 27705.
Objective:
To examine the feasibility of a brief 36-item health status measure in elderly male veterans, by comparing it with the 136-item Sickness Impact Profile.
Design:
Cross-sectional study in which all subjects completed both measures in a random order.
Setting:
Durham VAMC General Medicine and Geriatrics Clinics.
Patients:
Convenience sample of 25 male veterans aged 65 and older (mean age = 73.5 years; 68% white; 68% currently married; mean annual income = $7,000).
Main Outcome Measures:
Two well-validated health status measures, the Sickness Impact Profile and the SF-36.
Results:
The SF-36 took less time to administer than the Sickness Impact Profile in both the Geriatrics Clinic (mean: 15 vs 33 minutes) and General Medicine Clinic (mean: 14 vs 21 minutes). Although SIP scores consistently displayed a more optimistic picture of respondents' health compared with the SF-36, the two instruments were highly correlated: overall functioning (r = 0.73), physical functioning (r = 0.78), and social functioning (r = 0.67).
Conclusions:
These two measures provide a similar ranking of elderly male veterans' health status. The significantly shorter administration time of the SF-36 is an attractive feature for both researchers and clinicians interested in assessing health status.