Table 4.

Reliability and item-total statistics.

Reliability statistics
Overall scale Cronbach’s alpha	No. of total items
0.913	22
Item-total statistics
Individual items	Scale mean if item deleted	Scale variance if item deleted	Corrected item-total correlation	Cronbach’s alpha if item deleted
I have enough time to participate in shared decision-making	90.12	83.109	0.433	0.914
Shared decision-making is essential in contemporary oncology nursing practice	89.14	86.258	0.490	0.911
I certainly feel comfortable actively participating during the shared decision-making process	89.44	83.206	0.652	0.907
I play crucial roles that optimize patient outcomes related to treatment decisions	89.55	81.954	0.606	0.908
The patient is the focus throughout the shared decision-making process	89.40	84.299	0.541	0.909
Patients rely on more than just the physician to help them with cancer treatment decisions	89.20	86.009	0.420	0.912
My opinion is valued by patients and the medical team throughout the cancer treatment shared decision-making process	89.55	83.369	0.639	0.907