Table 2:

Characteristics of subjects at baseline (without symptoms of TMD) that were followed for 24 or 48 months to determine the risk factors for incident cases of facial pain, by sex.

Variable				Total				Men				Women				Men vs.
				n = 4,014				n = 1,762 (44%)				n = 2,252 (56%)				Women
				Mean		SE		Mean		SE		Mean		SE		P value‡
Age (years)				61.6		0.14		61.2		0.23		62.0		0.19		0.02
CES-D score				6.3		0.10		5.9		0.15		6.6		0.14		0.0005
				Median		IQR		Median		IQR		Median		IQR		P value†
Painful joints (n)†				1		1 to 2		1		1 to 2		1		1 to 2		0.0007
				N		%		N		%		N		%		P value¶
Race		White		3,274		82		1,517		86		1,757		78		0.0001
		Black		740		18		245		14		495		22
Subcohort		Progression		1,182		29		541		31		641		28		0.13
		Incidence		2,832		71		1,221		69		1,611		72

CES-D, Center for Epidemiologic Studies - Depression Scale; IQR, inter-quartile range; SE, standard error; TMD, temporomandibular joint disorder

^‡Student’s t-test

^†Wilcoxon rank sum test

^¶Pearson’s χ² test.