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KMID : 0895420060160020172
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Journal of Korean Society of Occupational and Enviromental Hygiene
2006 Volume.16 No. 2 p.172 ~ p.182
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Development of Self Administered Questionnaire and Validity Evaluation for American National Standards Z-365 Checklist
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Park Kyung-Sik
Kang Dong-Mug
Lee Yong-Hwan
Woo Ji-Hoon
Shin Yong-Chul
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Abstract
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Self administered checklist is needed to be developed to evaluate ergonomic risk factors. This study was conducted to develop self administered form of American National Standards Institute (ANSI) Z-365 checklist which represents comprehensive ergonomic risk factors, and to evaluate validity of this checklist. This study had been conducted from May 2004 to July 2005, of which subjects were 147 workers from 4 workplaces. Response rates for every items of self administered form of ANSI Z-365 were evaluated. To estimate the validity of checklist, relationship between the checklist grade that ANSI recommended and work-related musculoskeletal disorders (WMSDs) symptom were calculated with and without adjustment of related variables. To evaluate the utility of checklist, sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were calculated. Because response rates of almost items were over 90 %, item development was successful. Because the checklist was related with WMSDs symptom after adjusting related variables, the checklist might represents ergonomic risk well. Because of low sensitivity and NPV, high specificity and PPV, the checklist is not suitable for screening tool. The checklist has better relationship with more severe symptom. Because of high specificity of the checklist, using it with high sensitive tool would enhance it’s utility. Further study to develop high sensitive and comprehensive self administered ergonomic checklist is needed.
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KEYWORD
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ANSI Z-365, self administered checklist, work-related musculoskeletal disorders
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