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Table 3 Association between HRT and periodontal disease (n = 2,070)

From: The relationship between hormone replacement therapy and periodontal disease in postmenopausal women: a cross-sectional study the Korea National Health and Nutrition Examination Survey from 2007 to 2012

Variable   Adjusted OR (95% CI)
HRT HRT- 1.000  
HRT+ 0.79** 0.66–0.94
Age_menopause #HRT_status < 45#HRT- 1.000  
< 45#HRT+ 0.55* 0.35–0.87
≥45#HRT- 0.71* 0.50–1.00
≥45#HRT+ 0.60** 0.42–0.85
45–54 1.000  
Age 55–64 1.09 0.86–1.38
65–74 1.08 0.82–1.42
Education Elementary and below 1.000  
Middle 0.85 0.66–1.09
High and above 0.85 0.67–1.08
Family income Low 1.000  
Middle low 1.05 0.81–1.37
Middle upper 1.08 0.82–1.44
Upper 0.74* 0.55–0.99
Bmi Normal 1.000  
Over 1.09 0.90–1.32
Alchol No 1.000  
Past 0.93 0.75–1.16
Dringking 0.93 0.73–1.20
Smoking No 1.000  
Yes 2.04*** 1.44–2.89
Dental visit < 1 years No 1.000  
Yes 1.12 0.91–1.38
Use of secondary oral products No 1.000  
Yes 0.78* 0.63–0.95
Frequency of tooth brushing per day < 3 1.000  
≥3 0.85 0.70–1.02
  1. HRT hormone replacement therapy
  2. a Income quartile bAsia-Pacific Standard: normal, less than 25 kg/m2; obese, more than 25 kg/m2
  3. *p < 0.05, **p < 0.01, ***p < 0.001