Table 8.

Factor loadings for exploratory factor analysis (EFA) model in participants (non-TMD) assessed at baseline (n=1633)

VARIABLES	GEOMIN ROTATED LOADINGS
	Jaw mobility pain	Palpation pain	TMJ function by history
	1	2	3
Number of muscles painful to maximal unassisted opening	0.94	0.00	0.02
Number of muscles painful to maximal assisted opening	0.82	0.09	0.01
Number of muscles painful to excursive movements	0.48	0.27	−0.09
Number of masticatory muscles painful to palpation	−0.02	0.88	−0.01
Number of neck muscles painful to palpation	−0.01	0.90	0.02
Number of body muscles painful to palpation	0.15	0.71	−0.01
Palpation pain: right TMJ	0.04	0.86	0.01
Palpation pain: left TMJ	0.00	0.89	0.02
Inability to open mouth in last month	−0.10	0.04	0.77
Inability to open mouth, before last month	−0.04	0.02	0.63
Jaw locking, last month	0.20	−0.08	0.88
Jaw locking, prior to last month	0.10	0.06	0.80
TMJ sounds, past month	−0.09	0.02	0.97
Pain from TMJ sounds, last month	0.02	−0.10	0.71
TMJ sounds, before last month	−0.13	−0.02	0.96