The Relationship of On-Call Work with Fatigue, Work-Home Interference, and Perceived Performance Difficulties

Table 2

Correlations among the variables under examination ().

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19
() # of on-call hours per month
() # of active on-call hours per month	.33
() # of calls per duty	.21	.21
() On-call relaxation	.01	.05	−.06
() On-call stress	−.00	.05	.13	−.46
() On-call work demands	.06	.07	.13	−.17	.43
() On-call restrictions	.07	−.01	.16	−.29	.50	.27
() Satisfaction with compensation	−.13	−.05	−.18	.16	−.23	−.18	−.21
() Fatigue	−.09	−.10	.05	−.21	.26	.01	.24	−.09
() Strain-based WHI	−.09	−.04	.08	−.17	.29	.02	.24	−.11	.69
() Time-based WHI	−.04	.03	.15	−.28	.41	.16	.37	−.22	.41	.51
() PPD	−.02	.01	.01	−.22	.30	.33	.10	−.25	.24	.25	.30
() Age	−.07	.09	−.05	.17	−.15	−.05	−.15	.06	−.10	−.03	−.16	−.11
() Gender^a	−.05	−.18	.08	−.13	.10	.03	.20	.02	.05	−.08	−.02	−.12	−.21
() Marital status^b	−.01	−.04	.01	−.09	−.01	.05	−.02	−.02	−.05	.02	−.01	−.03	−.05	.09
() Children in household^c	.02	.07	.03	−.05	.00	.04	.11	.14	.06	.06	.10	.02	−.03	−.04	.29
() Compensation^d	.09	−.1	.12	−.11	−.01	.08	.11	.14	.14	−.05	−.11	−.05	.02	−.02	.09	.07
() Job demands	−.07	−.12	.17	−.21	.21	.18	.10	−.05	.21	.30	.33	.21	.05	.09	−.00	−.02	.00
() Autonomy	.10	−.07	−.03	.22	−.27	−.12	−.23	.26	−.13	−.04	−.25	−.15	.23	−.25	.11	.08	.04	−.13
() Social Support	.15	.00	.03	.11	−.16	−.24	−.24	.22	−.22	−.22	−.22	−.21	−.01	−.01	.14	.03	.04	−.20	.30

. .
^a0 = male, 1 = female.
^b0 = single, 1 = cohabiting or married.
^c0 = no children living in the household, 1 = child(ren) living in the household.
^d0 = no compensation for on-call duties, 1 = compensation for on-call duties.