Table 3. Descriptive statistics and reliability analysis of the 35-item version of DNCB from phase II.

DNCB items	Mean (SD)	Corrected item-total correlation	Cronbach's alpha if item deleted
df1	3.86 (0.903)	0.540	0.913
df2	3.64 (1.001)	0.654	0.911
df4	4.13 (0.809)	0.422	0.914
df5	4.16 (0.889)	0.400	0.914
df6	4.06 (0.959)	0.503	0.913
df7	3.96 (0.929)	0.601	0.912
df8	4.02 (0.877)	0.581	0.912
df9	3.80 (0.975)	0.653	0.911
df10	3.87 (0.951)	0.548	0.913
df12	3.95 (0.955)	0.531	0.913
df13	4.02 (0.980)	0.556	0.912
df14	3.91 (0.972)	0.570	0.912
df15	3.90 (0.980)	0.601	0.912
df16	3.87 (0.878)	0.622	0.912
df17	3.73 (1.129)	0.556	0.912
df18	4.06 (0.918)	0.542	0.913
df20	3.88 (0.817)	0.519	0.913
df21	4.05 (2.016)	0.455	0.924
df22	3.73 (0.923)	0.612	0.912
df23	3.68 (0.995)	0.553	0.912
df24	4.00 (0.820	0.523	0.913
df25	3.95 (0.825	0.593	0.912
df26	4.24 (0.827	0.566	0.913
df27	4.22 (0.855	0.519	0.913
df28	4.13 (0.941	0.519	0.913
df29	4.17 (0.837	0.575	0.913
df30	4.11 (0.776)	0.669	0.912
df31	4.14 (0.814)	0.543	0.913
df32	4.10 (0.849)	0.585	0.912
df33	4.15 (0.806)	0.583	0.913
df34	4.06 (0.853)	0.614	0.912
df35	3.66 (1.200)	0.442	0.914
df36	3.65 (1.248)	0.472	0.913
df37	3.97 (1.033)	0.546	0.912
df38	3.92 (1.089)	0.419	0.914