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Table 2 Descriptive statistics of the items (upper panel) and the scale (lower panel) for the GAI-CV

From: Item response analysis of the Geriatric Anxiety Inventory among the elderly in China: dimensionality and differential item functioning test

ItemMSDHjSEcitc
10.150.350.4640.0290.541
20.160.370.4430.0300.501
30.090.280.5910.0280.689
40.110.320.5180.0280.631
50.080.280.5790.0300.666
60.170.370.5850.0260.661
70.120.330.5900.0240.723
80.180.390.6220.0260.677
90.180.380.6410.0240.717
100.110.310.6180.0230.753
110.130.340.6070.0230.741
120.130.330.4290.0300.514
130.110.320.5750.0250.704
140.070.260.5350.0350.590
150.050.230.6300.0370.620
160.080.270.5850.0300.671
170.040.180.7470.0330.589
180.060.230.4770.0420.474
190.060.240.6440.0320.664
200.110.320.5640.0250.691
M  2.19  
SD  4.18  
H  0.5650.020 
α  0.937  
λ2  0.940  
MS  0.947  
  1. Note. N = 1314. Hj Item-scalability coefficient, SE Standard error of item scalability coefficient, citc Corrected item–test correlation, H Total-scalability coefficient, α Cronbach’s alpha, λ2 Guttman’s lambda-2, MS Molenaar–Sijtsma method
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