Monitoring population health for Healthy People 2020: evaluation of the NIH PROMIS® Global Health, CDC Healthy Days, and satisfaction with life instruments
Published Date:Aug 18 2012
Source:Qual Life Res. 22(6):1201-1211.
Centers For Disease Control And Prevention (U.S.)
Factor Analysis, Statistical
Health-related Quality Of Life
Healthy People 2020
Healthy People Programs
National Institutes Of Health (U.S.)
Patient Outcome Assessment
Quality Of Life
Structural Equation Modeling
Pubmed Central ID:PMC4597895
Funding:AVU3/Intramural CDC HHS/United States
U54AR057951-02/AR/NIAMS NIH HHS/United States
Healthy People 2020 identified health-related quality of life and well-being (WB) as indicators of population health for the next decade. This study examined the measurement properties of the NIH PROMIS® Global Health Scale, the CDC Healthy Days items, and associations with the Satisfaction with Life Scale.
A total of 4,184 adults completed the Porter Novelli's HealthStyles mailed survey. Physical and mental health (9 items from PROMIS Global Scale and 3 items from CDC Healthy days measure), and 4 WB factor items were tested for measurement equivalence using multiple-group confirmatory factor analysis.
The CDC items accounted for similar variance as the PROMIS items on physical and mental health factors; both factors were moderately correlated with WB. Measurement invariance was supported across gender and age; the magnitude of some factor loadings differed between those with and without a chronic medical condition.
The PROMIS, CDC, and WB items all performed well. The PROMIS items captured a broad range of functioning across the entire continuum of physical and mental health, while the CDC items appear appropriate for assessing burden of disease for chronic conditions and are brief and easily interpretable. All three measures under study appear to be appropriate measures for monitoring several aspects of the Healthy People 2020 goals and objectives.
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