Symptoms Gender Total								X²
		Female			Males
		No.	%	No.	%	No.	%
TMJ sound	No	418	76	322	71.5	740	74	X² = 2.762 df = 1 P > 0.05
TMJ sound	Yes	132	24	128	28.5	260	26	X² = 2.762 df = 1 P > 0.05
Feeling of stiffness	No	529	96.2	423	94	952	95.2	X² = 0.421 df = 1 P > 0.05
Feeling of stiffness	Yes	21	3.8	27	6	48	4.8	X² = 0.421 df = 1 P > 0.05
Difficulty in mouth opening	No	517	94	421	93.5	938	93.8	X² = 0.532 df = 1 P > 0.05
Difficulty in mouth opening	Yes	33	6	29	6.5	62	6.2	X² = 0.532 df = 1 P > 0.05
Pain on movement	No	531	96.5	429	95.3	960	96	X² = 0.316 df = 1 P > 0.05
Pain on movement	Yes	19	3.5	21	4.7	40	4	X² = 0.316 df = 1 P > 0.05
Pain or tenderness on chewing	No	537	97.6	434	96.4	971	97.1	X² = 0.212 df = 1 P > 0.05
Pain or tenderness on chewing	Yes	13	2.4	16	3.6	29	2.9	X² = 0.212 df = 1 P > 0.05
one or more symptoms	No	417	75.8	306	68	723	72.3	X² = 4.612 df = 1 P < 0.05**
one or more symptoms	Yes	133	24.2	144	32	277	27.7	X² = 4.612 df = 1 P < 0.05**