Table 3 Multivariate regression models (n = 196)

Constant

.016 [.013–.018]; ≤ .001

.026 [.023–.030]; ≤ .001

.076 [.070–.082]; ≤ .001

.133 [.124–.141]; ≤ .001

Emotional exhaustion

.002 [.000–.003]; .036

.002 [.000–.004]; .032

.001 [−.002–.005]; .528

−.004 [−.009–.001]; .088

Reduced personal accomplishment

−.002 [−.004–.000]; .072

−.002 [−.004–.001]; .226

.005 [.000–.010]; .054

.008 [.001–.015]; .018

Ward size

−.001 [−.001–.000]; .019

.001 [.000–.001]; .597

−.001 [−.001–.001]; .598

.001 [−.001–.001]; .575

Number of overtime hours per day

−.001 [−.002–.002]; .820

−.001 [−.003–.002]; .601

.002 [−.003–.007]; .536

−.003 [−.010–.004]; .433

Rate of full-time nurses in the ward

.008 [−.016–.032]; .519

.006 [−.024–.036]; .691

.009 [−.047–.066]; .744

.029 [−.047–.105]; .455

Proportion of patients with ADL level 3

−.001 [−.011–.010]; .926

.012 [−.002–.025]; .087

.072 [.047–.098]; ≤ .001

.123 [.089–.157]; ≤ .001

Manager’s years of nursing experience

−.001 [−.001–.000]; .546

.001 [.000–.001]; .886

−.001 [−.001–.000]; .398

−.001 [−.002–.000]; .078

Average staff nurses’ experience in the ward

−.001 [−.001–.000]; .200

.001 [−.001–.001]; .925

−.001 [−.001–.001]; .916

−.001 [−.003–.001]; .349

F-test (p-value)

2.291 (p = .023)

1.131 (p = .345)

5.014 (p ≤ .001)

8.477 (p ≤ .001)

R² (Adjusted R²)

.096 (.054)

.050 (.006)

.189 (.151)

.283 (.249)