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Association between weight-adjusted waist index and periodontitis: A population-based study
Lihan Xu1, Yuntao Liu1, Chenchen Zhao1
1College of Stomatology, Hangzhou Normal University, Hangzhou, Zhejiang Province, China.
Plos One
|June 6, 2024
Summary
The Weight-adjusted Waist Circumference Index (WWI), a measure of central obesity, is positively associated with a higher prevalence of periodontitis. This finding highlights WWI
Area of Science:
- Public Health
- Periodontology
- Obesity Research
Background:
- Central obesity is linked to various health issues.
- Periodontitis is a common inflammatory disease affecting gums.
- Novel anthropometric indices are needed to assess health risks.
Purpose of the Study:
- To investigate the association between the Weight-adjusted Waist Circumference Index (WWI) and periodontitis prevalence.
- To provide evidence on the relationship between central obesity and periodontal health.
Main Methods:
- Cross-sectional study using NHANES 2009-2014 data (n=10,289).
- WWI calculated as waist circumference divided by the square root of weight.
- Multivariate logistic regression and smoothed curve fitting analyzed WWI and periodontitis relationship.
Main Results:
- A significant positive association was found between WWI and periodontitis in adults aged ≥30 (OR: 1.20).
- The highest WWI quartile showed a 27% increased periodontitis prevalence versus the lowest (OR: 1.27).
- The association was stronger in the 30-60 age group compared to those ≥60.
Conclusions:
- WWI is positively correlated with periodontitis, especially moderate forms.
- WWI may serve as a valuable tool for improving periodontitis prevention strategies in the general population.
