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

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

Variable		Adjusted OR	(95% CI)
HRT	HRT-	1.000
HRT	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
Age	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
Bmi	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
Smoking	Yes	2.04***	1.44–2.89
Dental visit < 1 years	No	1.000
Dental visit < 1 years	Yes	1.12	0.91–1.38
Use of secondary oral products	No	1.000
Use of secondary oral products	Yes	0.78*	0.63–0.95
Frequency of tooth brushing per day	< 3	1.000
Frequency of tooth brushing per day	≥3	0.85	0.70–1.02

HRT hormone replacement therapy
^a Income quartile ^bAsia-Pacific Standard: normal, less than 25 kg/m²; obese, more than 25 kg/m²
*p < 0.05, **p < 0.01, ***p < 0.001

ISSN: 1472-6831