Table 3.

Factor loadings of the AIS-NCA among students.

	7 items		6 items
	Sleep problems	Daytime functioning	Sleep problems	Daytime functioning
Item 1	0.617	0.308	0.575	0.331
Item 2	0.759	0.183	0.757	0.208
Item 3	0.697	−0.064	0.765	−0.044
Item 4	0.639	0.527	-	-
Item 5	0.172	0.872	0.158	0.879
Item 6	0.157	0.899	0.157	0.906
Item 7	0.127	0.815	0.130	0.819

The bold numbers in the table indicate that the item can be attributed to that dimension.