Table 1.

Patient-level demographic characteristics of subjects with a cracked tooth, overall and according to whether cracked tooth was symptomatic.

	ALL (N=2,975)		Symptomatic (N=1,364)
	N	Col1%	N	Row2%
Gender
Female	1,893	64%	906	48%
Male	1,081	36%	458	42%
Missing = 1			P3 = 0.004
Race4-ethnicity
White	2,486	85%	1,113	45%
Black	141	5%	66	47%
Asian	50	2%	25	50%
Hispanic	199	7%	108	54%
Other	58	2%	35	60%
Missing = 41			P = 0.02
Age (years)
< 35	207	7%	105	51%
35 – 44	467	16%	248	53%
45 – 54	837	28%	404	48%
55 – 64	943	32%	432	46%
65 and older	519	17%	173	33%
Missing = 2			P < 0.001
Dental insurance
None	659	22%	284	43%
Public [only]	123	4%	53	43%
Private	2,181	74%	1,018	47%
Missing = 12			P = 0.7
Education
<= High school	436	15%	211	48%
Some college/Associate	984	33%	449	46%
Bachelor	907	31%	420	46%
Graduate degree	628	21%	279	44%
Missing = 20			P = 0.13
Region
Western	446	15%	208	47%
Midwest	399	13%	192	48%
Southwest	545	18%	264	48%
South Central	604	20%	274	45%
South Atlantic	492	17%	198	40%
Northeast	489	16%	228	47%
			P = 0.9

¹Column percents not summing to 100 due to rounding.

²Percent symptomatic within level of demographic characteristic.

³Significance of differences in proportions symptomatic adjusted only for clustering using generalized estimating equations.

⁴Race groups are all non-Hispanic.