Table 3.

History of identification of a growth by a dentist by dental insurance status, overall and by stage at diagnosis.

	History of an Unusual Growth Being Identified by a Dentist
	Oral & Pharyngeal			Oral Cavity			Pharynx
	No	Yes	P-valuea	No	Yes	P-valuea	No	Yes	P-valuea
All Stages
Dental Insurance Status at Diagnosis
Uninsured	130 (86.7%)	20 (13.3%)	0.33	78 (83.0%)	16 (17.0%)	0.59	52 (92.9%)	4 (7.1%)	0.45
Insured	234 (90.0%)	26 (10.0%)		130 (85.5%)	22 (14.5%)		104 (96.3%)	4 (3.7%)
Frequency of Dental Visits
At least annually	258 (84.6%)	47 (15.4%)	< 0.001	150 (79.4%)	39 (20.6%)	0.009	108 (93.1%)	8 (6.9%)	0.20
Infrequently (every 2–-10 years)	72 (97.3%)	2 (2.7%)		37 (94.9%)	2 (5.1%)		35 (100%)	0 (0.0%)
Rarely or never	42 (97.7%)	1 (2.3%)		24 (96.0%)	1 (4.0%)		18 (100%)	0 (0.0%)
Local Stage (I or II)
Dental Insurance Status at Diagnosis
Uninsured	30 (71.4%)	12 (28.6%)	0.66	22 (68.8%)	10 (31.3%)	0.81	8 (80.0%)	2 (20.0%)	0.56
Insured	50 (75.8%)	15 (24.2%)		38 (71.7%)	15 (28.3%)		12 (92.3%)	1 (7.7%)
Frequency of Dental Visits
At least annually	56 (66.7%)	28 (33.3%)	0.02	46 (64.8%)	25 (35.2%)	0.21	10 (76.9%)	3 (23.1%)	0.38
Infrequently (every 2–10 years)	16 (88.9%)	2 (11.1%)		12 (85.7%)	2 (14.3%)		4 (100%)	0 (0.0%)
Rarely or never	9 (100%)	0 (0.0%)		3 (100%)	0 (0.0%)		6 (100%)	0 (0.0%)
Advanced Stage (III or IV)
Dental Insurance Status at Diagnosis
Uninsured	100 (92.6%)	8 (7.4%)	0.45	56 (90.3%)	6 (9.7%)	0.57	44 (95.7%)	2 (4.4%)	0.66
Insured	184 (94.9%)	10 (5.2%)		92 (92.9%)	7 (7.1%)		92 (96.8%)	3 (3.2%)
Frequency of Dental Visits
At least annually	202 (91.4%)	19 (8.6%)	0.03	104 (88.1%)	14 (11.9%)	0.12	98 (95.2%)	5 (4.9%)	0.73
Infrequently (every 2–10 years)	56 (100%)	0 (0.0%)		25 (100%)	0 (0.0%)		31 (100%)	0 (0.0%)
Rarely or never	33 (97.1%)	1 (2.9%)		21 (95.5%)	1 (4.6%)		12 (100%)	0 (0.0%)

^aFisher's exact test