Analysis of Factors Influencing Residents' Dental Health Based on Water Quality Using Principal Component Analysis and Structural Equation Modeling

Lili Li; Hongxiang Su; Yutong Ren

doi:10.54097/nkzaz646

Authors

Lili Li
Hongxiang Su
Yutong Ren

DOI:

https://doi.org/10.54097/nkzaz646

Keywords:

XX Water Quality, Residents' Dental Health, Reliability and Validity Tests, Principal Component Analysis, Structural Equation Modeling

Abstract

To explore the correlation mechanism between water quality and residents' dental health in XX City, identify the core influencing factors of water quality and the action paths of dental protection measures, and provide a scientific basis for formulating integrated intervention strategies, this study conducted a systematic quantitative analysis. A total of 758 valid questionnaires were collected online. After verifying reliability and validity via Bartlett's sphericity test and the KMO test, principal component analysis (PCA) was used to condense the social factors affecting water quality. Subsequently, a structural equation model (SEM) was constructed to verify the hypothesized relationships. The results indicated that water conservancy institutions, industrial impact, and government management are the core factors influencing water quality. The structural equation model exhibited excellent goodness-of-fit, and a significant positive linear impact of "Dental Health-Life Association" on "Dental Protection Measures" was identified. The analytical framework of "data verification, factor extraction, and relationship modeling" established in this study provides a replicable quantitative research paradigm for improving regional water quality and promoting residents' oral health.

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