Table 4.

Regression coefficients predicting QOL.

	Unstandardized coefficients		Standardized coefficients	t	Sig.	95.0% confidence interval
	B	Std. error	Beta			Lower bound	Upper bound
(Constant)	3.649	0.549		6.650	0.000	2.557	4.740
Fatigue level	−0.055	0.061	−0.065	−0.890	0.376	−0.177	0.067
Satisfaction with the current shift	0.202	0.043	0.432	4.707	0.000	0.117	0.287
Age	−0.024	0.013	−0.187	−1.882	0.063	−0.049	0.001
Shift type (reference: 8-h shift)
12-h shift	−0.360	0.122	−0.232	−2.942	0.004	−0.603	−0.117
Gender (reference: female)
Male	0.095	0.118	0.057	0.807	0.422	−0.139	0.329
Educational level (reference: Master's degree and above)
Diploma in nursing	0.074	0.340	0.027	0.217	0.829	−0.603	0.751
Bachelor's degree in nursing	−0.168	0.270	−0.074	−0.623	0.535	−0.705	0.369
Marital status (reference: single)
Married	0.277	0.140	0.180	1.984	0.051	−0.001	0.555
Divorced/widowed	0.494	0.293	0.132	1.683	0.096	−0.090	1.077
Working unit (reference: medical)
Surgical	0.253	0.139	0.149	1.821	0.072	−0.023	0.529
OPD	−0.205	0.120	−0.135	−1.707	0.092	−0.443	0.034
Emergency department	−0.280	0.151	−0.190	−1.857	0.067	−0.579	0.020
ICU	−0.034	0.188	−0.013	−0.181	0.857	−0.409	0.340
Pediatric	0.153	0.158	0.074	0.969	0.335	−0.161	0.467
Willingness to continue working the same shift (reference: willing to continue)
Not willing to continue	−0.034	0.180	−0.015	−0.191	0.849	−0.392	0.323
Not sure	0.120	0.119	0.074	1.005	0.318	−0.118	0.358

Note: Bold values are significant at 0.05.

Abbreviations: ICU = Intensive Care Unit and OPD = outpatient department.