Soy and Isoflavone Intake and Periodontal Disease
Author Information
Author(s): Tanaka Keiko, Sasaki Satoshi, Murakami Kentaro, Okubo Hitomi, Takahashi Yoshiko, Miyake Yoshihiro
Primary Institution: Fukuoka University
Hypothesis
Does soy and isoflavone intake affect the prevalence of periodontal disease?
Conclusion
Soy and isoflavone intake may decrease the likelihood of periodontal disease.
Supporting Evidence
- 8.0% of participants had periodontal disease.
- Intake of total soy product and tofu was associated with a decreased prevalence of periodontal disease.
- An inverse dose-response relationship was observed between isoflavone intake and periodontal disease.
Takeaway
Eating soy might help keep your gums healthy and prevent gum disease.
Methodology
The study used logistic regression analysis on dietary data from questionnaires completed by Japanese female dietetic students.
Potential Biases
Potential for healthy user bias as participants were dietetic students likely to have healthier lifestyles.
Limitations
The study relied on self-reported diagnoses of periodontal disease and did not conduct clinical examinations.
Participant Demographics
Japanese female students aged 18 to 22 years.
Statistical Information
P-Value
0.01
Confidence Interval
0.47–0.97
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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