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  • Title: Development and Validation of Knowledge Attitudes and Practices Questionnaire (Nu-KAPQ): for the assessment of Knowledge, Attitudes, and Practices Associated with Arsenic.
    Author: Nikhil K, Kumar VU, Pandey K, Ravichandiran V, Murti K.
    Journal: Biol Trace Elem Res; 2024 Aug; 202(8):3465-3474. PubMed ID: 37924414.
    Abstract:
    More than 70 million individuals have been exposed to environmental arsenic toxicity, worldwide. United Nation Children's Fund (UNICEF) policy brief -2018 report to mitigate arsenic in drinking water, emphasizes assessing, and changing the knowledge, attitudes, and practices (KAP) as one of the long-term effective solutions to be implemented as a part of surveillance strategies. This study aims to develop a valid and reliable tool to assess knowledge, attitude, and practices of arsenic and its risk in general health. A cross-sectional survey of N=449 general population was conducted in the outpatient department of Rajendra Memorial Research Institute of Medical Sciences-Indian Council for Medical Research for data collection. The construct validation of the questionnaire was done using Exploratory Factor Analysis, Confirmatory factor analysis. The Item-Content Validity Index(I-CVI) and Scale-Content Validity Index (S-CVI) Kappa scores were used to analyze the content validity of the items. The I-CVI ranges from 0.70 to 1, the and the moderate to high cumulative content validity is S-CVI/Universal Agreement=0.84; S-CVI/Average =0.96. Following the principal component analysis, the cumulative Kaiser-Meyer-Olkin measure of sampling adequacy (KMO) was 0.91 and the three domains in the tool (Kaiser-Meyer-Olkin measure of sampling adequacy for Knowledge (0.917), Attitude (0.825) & Practices (0.80)) were within the acceptable range. The Barret's test for sphericity was (P <0.001) and was highly acceptable. The Confirmatory Factor Analysis model of Nu-KAP has demonstrated excellent model fit where, majority of fit indices has sown good fit (X2/df=1.88, Root Mean Square Error of Approximation = 0.04, Comparative Fit Index=0.98, Goodness of Fit Index = 0.93, and Tucker Lewis Index=0.977). The Cronbach's alpha of 19 item tool was 0.72. The Nu-KAPQ questionnaire demonstrated exceptional validity and reliability while also capturing and integrating all pertinent psychometric analytic domains. Conclusively, this questionnaire can be used to assess psychometric properties associated with arsenic bridging the gap in current research to understand people's perception towards arsenic, since it is a crucial component of arsenic mitigation.
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