Confirmatory Factor Analysis of Knowledge, Attitude, and Behaviour Questionnaire towards Oral Health among Indian Adults

被引：12
作者：
Selvaraj, Siddharthan [1 ]
Naing, Nyi Nyi [1 ]
Wan-Arfah, Nadiah [2 ]
Prasadh, Somasundaram [3 ]
机构：
[1] Univ Sultan Zainal Abidin, Fac Med, Med Campus, Terengganu 20400, Malaysia
[2] Univ Sultan Zainal Abidin, Fac Hlth Sci, Terengganu 20400, Malaysia
[3] Natl Univ Singapore, Fac Dent, Singapore 119077, Singapore
来源：
JOURNAL OF PERSONALIZED MEDICINE | 2021年 / 11卷 / 04期
关键词：
item response theory; confirmatory factor analysis; validity; knowledge; attitude and behaviour; oral health; RELIABILITY; VALIDITY; BELIEF; SCALE;
D O I：
10.3390/jpm11040320
中图分类号：
R19 [保健组织与事业（卫生事业管理）];
学科分类号：
摘要：
Background: Oral health-related conditions are among the common conditions seen in adults in India. The usage of inappropriate measurement tools that are unvalidated may result in deceptive and imprecise findings that might lead to substandard plans for cessation programs and ineffectiveness. This study was conducted to validate a questionnaire that can assess the factor structure of knowledge, attitude, and behaviour towards oral health among adults in India by confirmatory factor analysis. Methods: Simple random sampling was conducted among adults in India. A total of 260 adults participated in this study. The knowledge, attitude, and behaviour (KAB) questionnaire on oral health was circulated among the adults who were willing to participate in the study after it was explained to them, and the questionnaires were retrieved once they completed. Software R version 3.6 was used to analyse the data of this study. Robust maximum likelihood was utilized for the assessment due to the violation of multivariate normality assumption. For attitude and behaviour domain, a three-factor model was used for measurement model validity and construct validity. Results: The confirmatory factor analysis of the three-factor model for the 26-item KAB questionnaire on oral health gave sufficient goodness-of-fit values and the measurement model exhibited ideal convergent and discriminant validity following model re-specification. The three-factor model was tested to obtain measurement model validity and construct validity for attitude and behaviour domains. The results of this study gave a statistically significant value (p < 0.001), with chi(2) (df) values of 39 (7) and 28 (11) for attitude and behaviour domains, respectively. Conclusions: The KAB oral health questionnaire used in this study has a valid measurement model and reliable constructs. It was found to be an ideal tool to measure the KAB towards oral health among adults in India.
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页数：10
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