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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© 2019 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.
After I reviewed fall risks in the [HSSAT] book, I am more aware. We went to a restaurant the other day, and some ladies put their purses under their chairs. I noticed that one of their shoulder straps was in the walking path and I thought someone might trip on it, so I asked her to put it under the chair. You see, I am more mindful now than before.
Occupational therapists can use the HSSAT with confidence to assess home hazards to prevent falls.
Use of the HSSAT raises older adults’ awareness of safety hazards in their home environment by returning locus of control to residents when identifying environmental hazards and plans for correction within their home and providing an opportunity to analyze the activity and environment interface for safe engagement in home-based occupations
The HSSAT can be used with older adult populations where the occupational therapist is a consultant to a medical, nonmedical, or social service agency in a community setting to prevent falls.
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