Table 2. Significance test between health behavior and periodontal disease

Characteristics related to health	Division	Periodontal disease				Chi-square (p-value)
		No	%	Yes	%
Total		7,578	68.26	3,524	31.74
High blood pressure	No	6,365	83.99	2,454	69.64	302.62 (< 0.001)
	Yes	1,213	16.01	1,070	30.36
Dyslipidemia	No	6,570	86.70	2,892	82.07	40.634 (< 0.001)
	Yes	1,008	13.30	632	17.93
Myocardial infarction	No	7,541	99.51	3,477	98.67	21.786 (< 0.001)
	Yes	37	0.49	47	1.33
Angina	No	7,479	98.69	3,425	97.19	30.165 (< 0.001)
	Yes	99	1.31	99	2.81
Diabetes	No	7,149	94.34	3,086	87.57	152.1 (< 0.001)
	Yes	429	5.66	438	12.43
Health check-up	Yes	4,847	63.96	2,432	69.01	26.958 (< 0.001)
	No	2,731	36.04	1,092	30.99
Drinking	No	751	9.91	444	12.60	17.83 (< 0.001)
	Yes	6,827	90.09	3,080	87.40
Smoking	≤ 99	210	2.77	51	1.45	328.5 (< 0.001)
	100 ≤	2,444	32.25	1,764	50.06
	No	4,924	64.98	1,709	48.50
HDL	No	6,479	85.50	2,710	76.90	124.03 (< 0.001)
	Yes	1,099	14.50	814	23.10
Urine glucose	Negative	7,398	97.62	3,339	94.75	71.873 (< 0.001)
	Trace	49	0.65	32	0.91
	Positive (+)	52	0.69	58	1.65
	Positive (++)	39	0.51	59	1.67
	Positive (+++)	40	0.53	36	1.02

HDL, high-density lipoprotein.