		Intervention(n = 70)		Control(n = 79)		t test
		#	Mean ± SD	#	Mean ± SD	t value	Sign. Diff.
Labor pain coping skills	Primipara	34	3.29 ± 0.83	41	3.01 ± 0.77	1.119	n.s.
Labor pain coping skills	Multipara	36	3.61 ± 0.77	38	3.63 ± 0.57	−0.975	n.s.
Level of trust with medical staff	Primipara	34	4.73 ± 0.30	41	4.57 ± 0.54	1.591	n.s.
Level of trust with medical staff	Multipara	36	4.63 ± 0.44	38	4.69 ± 0.38	−0.614	n.s.
Physiological process of labor	Primipara	34	3.85 ± 0.86	41	3.56 ± 0.79	1.534	n.s.
Physiological process of labor	Multipara	36	3.98 ± 0.80	38	4.25 ± 0.60	0.954	n.s.