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KMID : 1012020190080020099
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Physical Therapy Rehabilitation Science
2019 Volume.8 No. 2 p.99 ~ p.111
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The validity and reliability of the Healthy Lifestyle Screening Tool
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Kim Cheong-Hoon
Kang Kyung-Ah
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Abstract
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Objective: The aim of the present study was to develop a valid and reliable scale that measures the healthy life styles among young adults.
Design: A methodological study design was employed to develop and validate the Healthy Lifestyle Screening Tool (HLST).
Methods: The validity and reliability of the HLST were established in accordance with DeVellis’ 8 steps guideline for tool development. The question items were generated based on literature reviews and interviews, which were then classified into 12 categories. The HLST was administered to 272 students attending a Korean university. The reliability was tested using Cronbach’s alpha. The validity of the scale was examined with the mean inter-item correlations (MIIC) and factor analysis, and was also examined for content validity by experts.
Results: The reliability of the HLST was found to be acceptable, as indicated by a Cronbach’s alpha of 0.71. In the validity test, items with less than 80% “agreement” ratings on the content validity index by experts were revised. The MIIC values were greater than 0.25. A factor analysis of 36 items extracted 9 factors (i.e., four items per factor), which together explained 50.4% of the variance. The HLST consists of 36 items that measure 9 factors based on a 4-point Likert rating scale, with 4 items per factor, as follows: sunlight, water, air, rest, exercise, nutrition, temperance, trust, and general physical condition. High scores on the HLST are indicative of a healthy lifestyle (HL).
Conclusions: The HLST is a valid and reliable scale that can be used to measure HL among young adults. Identification of HL by using the HLST can provide guidance to integrated therapeutic approaches along with conventional physical therapy.
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KEYWORD
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Adults, Health, Life style, Reliability, Validity
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