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Model testing for reliability and validity of the Outcome Expectations for Exercise Scale.
B Resnick1, S Zimmerman, D Orwig
1University of Maryland School of Nursing, Baltimore 21201, USA. bresnick@umaryland.edu
Nursing Research
|September 26, 2001
Summary
The Outcome Expectation for Exercise (OEE) Scale reliably measures older adults' exercise beliefs. This validated scale can identify individuals needing interventions to improve exercise adherence.
Area of Science:
- Gerontology
- Exercise Science
- Psychometrics
Background:
- Establishing a reliable measure of exercise outcome expectations in older adults is crucial for understanding exercise adherence.
- Such a measure can inform interventions to enhance exercise participation in this demographic.
Purpose of the Study:
- To provide further psychometric support for the Outcome Expectation for Exercise (OEE) Scale.
- To validate the OEE Scale in older adults using structural equation modeling.
Main Methods:
- The 9-item OEE Scale was administered to 191 residents of a continuing care retirement community (mean age 85).
- Structural equation modeling was employed to assess reliability (R2 values) and validity (confirmatory factor analysis, path coefficients).
Main Results:
- The OEE Scale demonstrated continued reliability with R2 values from .42 to .77.
- Validity was supported by path coefficients ranging from .69 to .87, with good model fit indices.
Conclusions:
- The OEE Scale is a reliable and valid instrument for assessing exercise outcome expectations in older adults.
- This scale can identify individuals with low expectations, enabling targeted interventions to improve exercise behavior and adherence.