Machiko R. Tomita, Sumandeep Saharan, Sheela Rajendran, Susan M. Nochajski, Jo A. Schweitzer; Psychometrics of the Home Safety Self-Assessment Tool (HSSAT) to Prevent Falls in Community-Dwelling Older Adults. Am J Occup Ther 2014;68(6):711-718. doi: 10.5014/ajot.2014.010801.
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© 2017 American Occupational Therapy Association
OBJECTIVE. To identify psychometric properties of the Home Safety Self-Assessment Tool (HSSAT) to prevent falls in community-dwelling older adults.
METHOD. We tested content validity, test–retest reliability, interrater reliability, construct validity, convergent and discriminant validity, and responsiveness to change.
RESULTS. The content validity index was .98, the intraclass correlation coefficient for test–retest reliability was .97, and the interrater reliability was .89. The difference on identified risk factors between the use and nonuse of the HSSAT was significant (p = .005). Convergent validity with the Centers for Disease Control and Prevention Home Safety Checklist was high (r = .65), and discriminant validity with fear of falling was very low (r = .10). The responsiveness to change was moderate (standardized response mean = 0.57).
CONCLUSION. The HSSAT is a reliable and valid instrument to identify fall risks in a home environment, and the HSSAT booklet is effective as educational material leading to improvement in home safety.
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