Table 2.

Bivariate Pearson Correlations of all variables in MLMs

	Momentary Fatigue	Momentary Pacing	WOMAC Pain	BFI Fatigue	Age	BMI	Six Minute Walk	Average Activity	Illness Burden	CES-D
Momentary Pain†	.81**	.27*	.49**	.47**	−.04	.15	−.15	.03	.29*	.29*
Momentary Fatigue†	1	.28*	.34*	.53**	−.06	.09	−.16	.01	.31**	.32**
Momentary Pacing†		1	.20	.22*	.18	.07	−.27*	−.08	.15	.18
WOMAC Pain			1	.49**	−.15	.17	−.21	.09	.33**	.23*
BFI Fatigue				1	−.07	.05	−.14	−.03	.49**	.003
Age					1	−.25	−.22	−.21	−.004	.007
BMI						1	−.20	−.11	−.01	.003
Six Minute Walk							1	.25*	−.08	−.05
Average Activity†								1	−.001	−.05
Illness Burden									1	.47**

Note.

CES-D = Center for Epidemiological Studies Depression Scale; WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index; BFI = Brief Fatigue Inventory; BMI = body mass index; Illness Burden = # self-report health problems/symptoms, 41 possible;

^†Average value over the week long home monitoring period;

^*p< 0.05,

^**p<0.01