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Sriprapa Loonlawong,1,2 Weerawat Limroongreungrat,3 Wiroj Jiamjarasrangsi1 1Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; 2Regional Health Promotion Center 9 Nakhon Ratchasima, Department of Health, Ministry of Public Health, Nakhon Ratchasima, Thailand; 3College of Sports Science and Technology, Mahidol University, Nakhon Pathom, ThailandCorrespondence: Wiroj JiamjarasrangsiDepartment of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Rama IV Road, Pathumwan, Bangkok 10330, ThailandTel +662 2564000 Ext. 3700Fax +662 2564292Email wjiamja@gmail.comIntroduction: The Stay Independent Brochure (SIB) is a widely used fall-risk self-assessment tool, which is part of the Stopping Elderly Accident, Deaths & Injuries (STEADI) program in the US. However, the validity and reliability of the SIB have not been established in an elderly Thai population.Objective: To construct a fall risk screening tool based on the SIB in a Thai elderly population and investigate its psychometric effect in a community context.Methods: A total of 480 elderly participants volunteered to take part in this study from the Nakhon Ratchasima province. In the first part of the study, the original version of the SIB was translated into Thai (total 12 questions) and adapted into a modified version (total 18 questions). The translated SIBs were cross-culturally adapted and tested for content validity, test-retest reliability, inter-rater reliability, construct validity and internal consistency. In the second part of the study, the psychometric properties of the translated SIBs were assessed using test-retest and inter-rater reliability and content and construct validity.Results: The SIBs had good content validity (IOC: 0.80 to 1.00), and the interclass correlation coefficient (ICC) of test-retest and inter-rater reliability was excellent for both SIB versions (ICC 0.89–0.95). The construct validity of 18 questions was tested by principal component factor analysis with varimax rotation and using factor loading greater than 0.4, and yielded 6 factors that explained 59.1% of the variance in fall risk (more than 12 questions). The coefficient alpha was higher than the usually recommended value of 0.70 for the total score of both SIB versions. The convergent validity between the TUG and BBS tests was statistically significant (p |
