Table 3. The statistical results of communication skills, quality of care, self-efficacy and job satisfaction variables of nurses after and before the intervention in control and experimental groups .

Variable	Time	Mean (SD)	Confidence Interval 95%	Statistical Indicators
Control group
Communication skills	Before	80.96 (2.93)	-1.72 to 1.53	t = -0.121 df = 30 p = 0.904
	After	81.06 (2.98)
Self-efficacy	Before	55.74 (4.41)	-1.41 to 2.63	t = 0.618 df = 30 p = 0.541
	After	55.12 (3.91)
Job satisfaction	Before	80.58 (11.23)	-1.41 to 4.83	t = -0.302 df = 30 p = 0.765
	After	81.41 (9.33)
Quality of care	Before	77.72 (7.36)	-3.27 to 3.12	t = -0.047 df = 78 p = 0.963
	After	77.80 (6.99)
Experimental group
Communication skills	Before	79.47 (11.19)	12.17 to -2.50	t = -3.06 df = 41 p = 0.004
	After	86.80 (11.35)
Self-efficacy	Before	56.90 (5.35)	-2.13 to 2.47	t = 0.146 df = 41 p = 0.885
	After	56.73 (6.61)
Job satisfaction	Before	81.35 (13.20)	-4.15 to 2.30	t = -1.010 df = 41 p = 0.318
	After	84.35 (14.64)
Quality of care	Before	77.80 (8.20)	-7.17 to -0.37	t = -2.213 df = 78 p = 0.03
	After	81.57 (7.00)