Table 1. Demographic Characteristics and Clinical Data of the Participants .

Variables	With Oral lLsion (n = 306)	Without Oral Lesion (n = 1275)	P Value
Male gender	171 (55.9)	668 (52.4)	0.27
Mean age (year)	42.4±13.7	40.9±11.5	0.71
Age groups
< 40	165 (53.9)	671 (52.6)
40-50	67 (21.9)	356 (27.9)
50-60	38 (12.4)	160 (12.5)	0.00
60-70	22 (7.2)	68 (5.3)
> 70	14 (4.6)	20 (1.5)
Denture	83 (27.1)	371 (29.1)	0.49
Tooth decay	135 (44.1)	544 (42.7)	0.65
Filled tooth	194 (63.3)	820 (64.3)	0.77
Toothbrush	272 (88.9)	1146 (89.9)	0.61
Toothpick	69 (22.5)	323 (25.3)	0.32
Dental floss	102 (33.3)	411 (32.2)	0.71
Mouthwash	19 (6.2)	77 (6.0)	0.91
Medication	79 (25.8)	304 (23.8)	0.45
Cigarette smoking	44 (14.4)	178 (14.0)	0.85
Tobacco smoking	13 (4.2)	45 (3.5)	0.55
Opium consumption	7 (2.3)	28 (2.1)	0.92