Table 4.

Item-total statistics for Turkish APSQ in study group.

Item	Mean	Mean	Corrected Item-Total Correlation	Cronbach’s Alpha if item deleted (α)
Item 1	4.18	3.51	.726	.952
Item 2	4.16	3.25	.825	.948
Item 3	4.28	3.30	.801	.949
Item 4	4.48	3.37	.842	.948
Item 5	4.51	3.52	.837	.948
Item 6	3.97	3.38	.833	.948
Item 7	4.36	3.47	.816	.949
Item 8	3.98	3.48	.717	.953
Item 9	3.71	3.43	.850	.947
Item 10	3.53	3.42	.767	.951

APSQ:Anxiety and Preoccupation about Sleep Questionnaire; SD:Standart deviation.