Skip to main content

Advertisement

Table 6 Estimates of item measures and fit statistics from Rasch analysis

From: Psychometric properties of the Greek version of the NEI-VFQ 25

Item Item Number ρ Standard Error Infit zstd Outfit zstd
Matching clothes 12 -1.07 0.14 0.00 -0.20
Finding something 7 -0.92 0.13 0.10 -0.30
See reaction 11 -0.92 0.13 2.20 2.00
Visit people 13 -0.82 0.12 -0.70 -1.30
Noticing objects 10 -0.7 0.11 -0.70 -0.90
Eye pain 4 -0.42 0.10 -2.30 -3.00
Going down steps 9 -0.41 0.10 -1.80 -2.10
Reading signs 8 -0.4 0.10 -0.20 -0.50
See up close 6 -0.29 0.09 0.30 -0.20
Overall eyesight 2 -0.1 0.09 -6.90 -6.60
Reading print 5 -0.03 0.09 2.70 2.60
Overall health 1 0.15 0.08 5.80 5.40
Worry about eyesight 3 0.2 0.09 -1.20 -0.90
See movies 14 0.24 0.09 6.90 6.80
Limited 18 0.32 0.09 1.30 1.60
Accomplish less 17 0.32 0.09 -0.40 0.30
Stay home 20 0.44 0.09 1.10 1.40
Feel frustrated 21 0.48 0.09 1.20 0.90
Less control 22 0.69 0.10 0.00 0.40
Need help 24 0.71 0.10 -2.90 -1.60
Eye discomfort 19 0.72 0.10 -0.70 -0.10
Rely too much 23 0.88 0.11 0.60 0.60
Embarrass myself 25 0.94 0.11 -0.60 0.00