Job Resources and Core Self-Evaluation as Predictors of Nurse Engagement and Patient-Safety Outcomes: A Longitudinal Study

Table 3

Mixed linear model analysis for predicting patient-safety outcomes (N = 2,618).

Variables	Step 1: control variables		Step 2: explanatory variables		Step 3: interaction effect
	Beta (SE)		Beta (SE)		Beta (SE)
Age	−0.03 (0.16)	0.875	−0.07 (0.15)	0.633	−0.06 (0.15)	0.677
Marital status	−0.35 (0.12)	0.005	−0.30 (0.12)	0.014	−0.30 (0.12)	0.012
Work years	−0.11 (0.16)	0.466	−0.11 (0.15)	0.477	−0.11 (0.15)	0.485
Annual salary	0.30 (0.11)	0.008	0.34 (0.11)	0.003	0.34 (0.11)	0.003
Hospital hierarchy	0.00 (0.00)^a	—	0.01 (0.08)	0.904	0.01 (0.08)	0.945
Organizational support			−0.02 (0.01)	<0.001	−0.02 (0.01)	<0.001
Leader empowerment			−0.01 (0.01)	0.122	−0.07 (0.03)	0.012
Core self-evaluation			−0.03 (0.01)	<0.001	−0.10 (0.03)	0.001
Leader empowerment × core self-evaluation					0.001 (0.001)	0.029
∆Restricted log-likelihood			106.35		8.28
Variance of hospital level	0.45 (0.19)	0.020	0.29 (0.16)	0.062	0.29 (0.16)	0.061
Residual	5.71 (0.16)	<0.001	5.45 (0.15)	<0.001	5.44 (0.15)	<0.001

Note. Beta, unstandardized effect estimate. SE, standard error. ^aThis covariance parameter is redundant and the test statistic cannot be computed.