Table 2. ANOVA of burnout and four groups of roles at work/in family (n=2,255).

	Group of roles at work/in family				p-value
	NRG	WRG	FRG	MRG
Emotional exhaustion	17.12	17.25	15.36	15.29	<0.01
Depersonalization	13.32	13.31	11.88	11.69	<0.01
Personal accomplishment	14.85	14.85	14.66	14.88	0.27

ANOVA: analysis of variance; NRG: no-role group; WRG: work-role group; FRG: family-role group; MRG: multiple-role group.