Table 2.

The reliability analysis of CUDQ

Variable	$\overline{\mathrm{X}}\pm \mathrm{Sd}$	Cronbach alpha if item deleted	Corrected item-total correlation	ICC	Cronbach alpha
CUDQ1	3.65 ± 1.08	0.86	[0.39, 0.70]	0.83	0.86
CUDQ2	4.56 ± 0.8	0.85
CUDQ3	4.66 ± 0.76	0.84
CUDQ4	4.47 ± 0.8	0.84
CUDQ5	4.19 ± 0.9	0.86
CUDQ6	4.41 ± 0.87	0.86
CUDQ7	4.24 ± 0.93	0.84
CUDQ8	4.43 ± 0.83	0.85
CUDQ9	4.51 ± 0.81	0.84
CUDQ10	4.51 ± 0.85	0.84

Data are presented as mean ± standard deviation. $\overline{X}$ Mean, Sd standard deviation, ICC intraclass coefficient