Table 2.

Characteristics of the subjects according to diagnosis of periodontitis (female)

		Total		Non-Diagnosed		Diagnosed
		N	%	N	%	N	%	P-value
Total		4580	100	3817	83.3	763	16.7
Age	30 ~ 39	672	14.7	560	83.3	112	16.7	1.0000
	40 ~ 49	1926	42.1	1605	83.3	321	16.7
	50 ~ 59	1218	26.6	1015	83.3	203	16.7
	≥ 60	764	16.7	637	83.4	127	16.6
Smoking	Non-smoker	4442	97.0	3705	83.4	737	16.6	0.6548
	Ex-smoker	12	0.3	9	75.0	3	25.0
	Smoker	126	2.8	103	81.7	23	18.3
Alcohol	None	3671	80.2	3025	82.4	646	17.6	0.0174
	2 ~ 3/month	568	12.4	497	87.5	71	12.5
	1 ~ 2/week	251	5.5	218	86.9	33	13.1
	3 ~ 4/week	60	1.3	51	85.0	9	15.0
	≥ 5/week	30	0.7	26	86.7	4	13.3
Physical activity	None	2992	65.3	2526	84.4	466	15.6	0.0446
	1 ~ 2/week	831	18.1	678	81.6	153	18.4
	3 ~ 4/week	374	8.2	307	82.1	67	17.9
	5 ~ 7/week	383	8.4	306	79.9	77	20.1
BMI(kg/m2)	< 18.5	142	3.1	120	84.5	22	15.5	0.8475
	18.5 ~ 23	1922	42.0	1602	83.4	320	16.6
	23 ~ 27.5	2026	44.2	1693	83.6	333	16.4
	> 27.5	490	10.7	402	82.0	88	18.0
CCI	0	2818	61.5	2370	84.1	448	15.9	0.074
	1	1090	23.8	884	81.1	206	18.9
	≥ 2	672	14.7	563	83.8	109	16.2
Hypertension	NO	4099	89.5	3420	83.4	679	16.6	0.6168
	YES	481	10.5	397	82.5	84	17.5
Diabetes	NO	4407	96.2	3683	83.6	724	16.4	0.0342
	YES	173	3.8	134	77.5	39	22.5
Osteoporosis	NO	3858	84.2	3233	83.8	625	16.2	0.0538
	YES	722	15.8	584	80.9	138	19.1

IW industrial worker, SE self-employer, BMI body mass index, CCI Charlson comorbidity index