Table 2.

Descriptive and demographics of individuals stratified by C-reactive protein levels for individuals aged 30 years or above in the National Health and Nutrition and Examination Survey, 2015-2018 cycles

Independent Variable		Total	normal CRP(n)	%	abnormal CRP(n)	%	P Value
Dental caries	No	9884	7302	81.52	2582	72.11	<0.001
	Yes	2978	1775	18.48	1203	27.89
Age	30-34	830	556	11.75	274	10.15	<0.001
	35-49	2370	1445	30.60	925	31.41
	45-64	2750	1621	31.68	1129	35.38
	65+	2513	1598	25.98	915	23.07
Gender	Male	7390	5592	52.41	1798	40.66	<0.001
	Female	7727	5151	47.59	2576	59.34
Race/ethnicity	Non-Hispanic white	4886	3472	61.21	1414	59.92	<0.001
	Non-Hispanic black	3273	2198	10.52	1075	12.87
	Hispanic	4359	3010	17.51	1349	18.49
	Non-Hispanic Asian	1739	1446	6.37	293	3.27
	Other races	860	617	4.38	243	5.44
Education level	High school	2186	1335	12.11	851	14.01	<0.001
	High school/GED	2278	1357	22.28	921	27.07
	Some college or more	5565	3618	65.60	1947	58.92
Diabetes	No	13527	9910	93.22	3617	85.40	<0.001
	Yes	1582	829	6.78	753	14.60
Body mass index	Underweight	2233	2050	12.68	183	2.39	<0.001
	Normal	4183	3631	34.33	552	13.23
	Overweight	3752	2718	29.45	1034	23.67
	Obese	4518	2021	23.53	2497	60.71
Smoking	No	2399	1484	59.25	915	56.85	<0.028
	Every or some day	1874	1097	40.75	777	43.15
Coronary heart disease	No	9563	6028	96.53	3535	95.48	<0.149
	Yes	441	263	3.47	178	4.52
Gum disease	yes	1650	964	17.69	686	22.12	0.005
	No	6681	4179	81.28	2502	76.55
	I don't know	130	75	1.03	55	1.33