[Retracted] The Effect of Symptom Clusters and Sleep Disorder on Quality of Life among Patients with Chronic Obstructive Pulmonary Disease

Table 5

Logistic regression analysis model of quality of life (n = 223).

Variable	B	SE	Wald X^2	P	OR	95% CI
Age	0.045	0.027	3.165	0.085	1.056	0.975–1.189
Disease duration, y
<1	0.456	0.876	0.285	0.591	1.583	0.312–8.753
2∼5	0.322	0.492	0.433	0.509	1.387	0.534–3.700
>5	0.857	0.612	2.115	0.153	2.575	0.758–7.981
PSQI	−1.927	0.687	7.628	0.007	0.158	0.038–0.579
Factor 1	−0.803	0.075	3.547	0.001	0.467	0.101–1.023