Table 3: Structural validity analysis of Ocular Surface Disease Index.

DimensionQuestion numberCommon factor 1Common factor 2Common factor 3Common factor 4

110.664−0.0110.2330.418
120.6770.1990.0690.289
13−0.0450.040−0.050−0.855
24−0.2110.1940.7550.174
250.1930.0720.829−0.147
26−0.0240.8820.1590.008
270.0660.6880.2710.076
280.5390.481−0.247−0.466
290.1120.860−0.075−0.042
3100.786−0.1050.059−0.066
3110.8510.138−0.118−0.261
3120.9060.083−0.114−0.172