Table 4.

Rotated factor matrix of the Dry Eye Impact on Daily Life module (promax method)

Domains	Items	Factors
		1	2	3
Impact on Daily Activities	B1	0.363	0.401	0.139
	B2	0.217	−0.157	0.686
	B3	0.225	0.440	0.471
	B4	0.244	0.288	0.758
	B5	−0.024	0.148	0.756
	B6	0.261	0.367	0.405
	B7	0.389	0.286	0.600
Emotional Impact	C1	0.659	0.243	0.284
	C2	0.734	0.346	0.199
	C3	0.624	0.316	0.273
	C4	0.805	0.039	0.463
	C5	0.389	0.532	−0.008
	C6	0.369	0.441	0.440
	C7	0.739	0.059	0.546
	C8	0.701	0.310	0.079
	C9	0.789	0.220	0.185
	C10	0.449	0.074	0.632
Impact on Work	D1	0.191	0.782	0.232
	D2	0.020	0.841	0.114
	D3	0.214	0.766	0.243
	D4	0.370	0.462	0.154
	D5	0.301	0.586	0.497
	D6	0.286	0.579	−0.273
	D7	0.179	0.640	0.448

Note: values in boldface indicate the highest factor loading of the item