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KMID : 1023420090090010053
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Journal of Dental Hygiene Science
2009 Volume.9 No. 1 p.53 ~ p.59
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Construction and Validation of Infection Control Practice Scale for Dental Hygienist
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Cho Young-Sik
Jun Bo-Hye
Choi Young-Suk
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Abstract
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Infection control is now recognized as an important quality indicator in dental health service setting. The purpose of this study was to develop and validate Dental Hygienist’s Infection Control Practice Scale for quality management of dental health service in Korea. The data of 254 dental hygienists was subjected to exploratory factor analysis using SPSS 16.0 and confirmatory factor analysis using AMOS 16.0. The total items of preliminary scale were 21 items and 5 subscale. Principal component analysis was completed with Varimax rotation. The results show a change in factor structure from 5 factor solution to 4 factor solution. The confirmatory factor analysis confirmed the four subscales(Immunization and periodic tests, Clinical procedure, Handwashing, Personal protection) which have a total of 12 items. After the item deleted because factor loading was low, measured model was tested. The results of the measurement model indicated fit indices: x2=79.593(df=38, 0=0.000), RMR=0.045, GFI=0.940, CFI=0.904, AGFI=0.896, NFI=0.837, TLI=0.861, RMSEA=0.67. The squared correlation between four constructs were less than the average variance extracted(AVE) of four constructs. Multiple regression analysis was completed. Dependent variable was the perceived infection control practice by dental hygienist. Independent variables were four summated subscales(R=0.552, R2=0.304, Adjusted R2=0.431, F=25.813, p=0.000). Unstandardized coefficients of three independent variables were statistically significant.
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KEYWORD
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Dental infection control, Dental health service, Dental hygiene
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