Table 6.

Correlation between domains and QoL with age and TG, WL, shifts per week, PSQI, and ESS total score using Pearson’s correlation coefficient (n = 117)

Domain	Age		TG		Weekly WL		Shifts per week		PSQI		ESS
	r	p	r	p	r	p	r	p	r	p	r	p
Physical	0.17	0.55	0.15	0.98	-0.11	1.00	0.28	0.76	-0.11	0.83	-0.03	0.57
Psychological	0.55	0.57	0.31	0.73	0.12	0.26	0.16	0.79	-0.28	0.23	-0.18	0.04*
Social relationships	0.75	0.42	0.80	0.39	0.10	0.03*	0.24	0.01*	-0.98	0.76	-0.14	0.11
Environmental	0.20	0.82	0.15	0.87	0.89	0.38	0.12	0.18	0.86	0.29	0.10	0.04*
QoL	0.10	0.53	0.10	0.28	0.11	0.23	0.10	0.04*	-0.53	0.35	0.10	0.26

WL = workload; ESS = Epworth Sleepiness Scale; PSQI = Pittsburgh Sleep Quality Index; QoL = quality of life; TG = time since graduation.

^*p < 0.05.