. 2022 Jun 2;36(2):2944. doi: 10.11607/ofph.2944

Table 2.

Bivariate Correlations Between Study Variables in Participants with Chronic Temporomandibular Arthralgia/Myalgia (N = 40)

	2		3		4		5
	r	P	r	P	r	P	r	P
Unadjusted
1. Fatigue (PROMIS)	0.46	.003	0.41	.008	0.46	.004	0.48	.002
2. Sleep quality (PSQI)	1		.10	.54	.26	.13	.21	.19
3. Depression symptoms (PROMIS)			1		-.03	.87	.05	.75
4. Average jaw pain intensity					1		.55	.001
5. Average pain-related interference^a							1
Controlling for average pain intensity
1. Fatigue (PROMIS)	0.39	.02	0.38	.02	0.47	.005
2. Sleep quality (PSQI)	1		0.09	.62	0.15	.40
3. Depression symptoms (PROMIS)			1		0.09	.60
4. Average pain-related interference^a					1

Note: ^aVariable was computed by averaging four weekly surveys for the month following the second study visit.