Benefits Conferred by Peer-Support Nursing Intervention to Pulmonary Function and Quality of Life in Nonsmoking Patients with COPD

Table 3

The self-management efficacy scores between the two groups before and after intervention.

Time	Group	Positive attitude	Stress reduction	Self-decision	Total score
Before intervention	Observation group (n = 50)	29.86 ± 4.26	18.32 ± 4.23	5.36 ± 2.56	52.69 ± 9.36
	Control group (n = 50)	29.64 ± 4.12	18.16 ± 3.91	5.24 ± 2.49	52.74 ± 10.21
	t value	0.263	0.196	0.238	0.026
	value	0.794	0.845	0.813	0.978
At 3 months after intervention	Observation group (n = 50)	36.98 ± 5.36	25.65 ± 3.56	7.65 ± 3.06	65.91 ± 11.39
	Control group (n = 50)	30.23 ± 4.52	18.65 ± 5.21	5.61 ± 2.87	56.36 ± 10.36
	t value	6.807	7.844	3.438	4.386
	value	<0.001	<0.001	<0.001	<0.001