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J Gen Intern Med. 2006 Mar;21(3):267-75. Epub 2005 Dec 7.

Mortality prediction with a single general self-rated health question. A meta-analysis.

Author information

  • 1Section of General Internal Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA. kdesalv@tulane.edu

Abstract

OBJECTIVE:

Health planners and policy makers are increasingly asking for a feasible method to identify vulnerable persons with the greatest health needs. We conducted a systematic review of the association between a single item assessing general self-rated health (GSRH) and mortality.

DATA SOURCES:

Systematic MEDLINE and EMBASE database searches for studies published from January 1966 to September 2003.

REVIEW METHODS:

Two investigators independently searched English language prospective, community-based cohort studies that reported (1) all-cause mortality, (2) a question assessing GSRH; and (3) an adjusted relative risk or equivalent. The investigators searched the citations to determine inclusion eligibility and abstracted data by following a standardized protocol. Of the 163 relevant studies identified, 22 cohorts met the inclusion criteria. Using a random effects model, compared with persons reporting "excellent" health status, the relative risk (95% confidence interval) for all-cause mortality was 1.23 [1.09, 1.39], 1.44 [1.21, 1.71], and 1.92 [1.64, 2.25] for those reporting "good,""fair," and "poor" health status, respectively. This relationship was robust in sensitivity analyses, limited to studies that adjusted for co-morbid illness, functional status, cognitive status, and depression, and across subgroups defined by gender and country of origin.

CONCLUSIONS:

Persons with "poor" self-rated health had a 2-fold higher mortality risk compared with persons with "excellent" self-rated health. Subjects' responses to a simple, single-item GSRH question maintained a strong association with mortality even after adjustment for key covariates such as functional status, depression, and co-morbidity.

PMID:
16336622
[PubMed - indexed for MEDLINE]
PMCID:
PMC1828094
Free PMC Article

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