Table 2.

Univariate association^a between symptom dimensions and sleep, circadian rhythm, and physical activity (n = 359)

	Physical activity			Sleep						Circadian rhythm
	Gross motor activity			Sleep duration			Sleep efficiency			Relative amplitude between daytime and nighttime activity			Sleep midpoint
Symptom dimensions	β	s.e.	p	β	s.e.	p	β	s.e.	p	β	s.e.	p	β	s.e.	p
Mood/Cognition	−0.163	0.043	<0.001	0.081	0.042	0.066	−0.048	0.036	0.200	−0.122	0.036	0.003	0.091	0.047	0.066
Somatic/vegetative	−0.146	0.038	<0.001	0.113	0.044	0.021	−0.043	0.038	0.263	−0.116	0.039	0.008	0.090	0.046	0.066
Sleep	−0.169	0.038	<0.001	0.078	0.039	0.066	−0.101	0.036	0.011	−0.190	0.039	<0.001	0.069	0.043	0.132

Correction for multiple testing by using false discovery rate (FDR).

Significance of bold values = p < 0.05.

^aGEE model (outcomes = sleep, circadian rhythm, and physical activity) adjusted for age, sex, and education level.