Evaluation of Reliability and Validity of Three Common Dry Eye Questionnaires in Chinese

Table 2

Structural validity analysis of McMonnies dry eye questionnaire.

Question number	Common factor 1	Common factor 2	Common factor 3	Common factor 4
1	0.106	0.762	−0.013	−0.076
2	0.596	0.319	−0.322	0.359
3	0.840	0.188	0.024	−0.061
4	0.651	−0.172	0.142	0.117
5	0.387	−0.605	−0.146	0.144
6	0.067	−0.481	−0.567	−0.043
7	0.081	0.154	0.631	−0.242
8	0.190	0.499	0.051	0.047
9	0.138	0.111	0.656	0.390
10	0.193	−0.262	0.063	−0.703
11	0.249	−0.375	0.006	−0.624
12	0.685	0.063	0.338	−0.165