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Table 2 Individual item location and fit statistics for J-EAT-10

From: Item analysis of the Eating Assessment Tool (EAT-10) by the Rasch model: a secondary analysis of cross-sectional survey data obtained among community-dwelling elders

Item-abbreviatedLocSEFRχ2 (df)PF (df)P
Full sample
 1. Lose weight−0.670.055.9186.01 (5)< 0.00120.52 (5.655)< 0.001
 2. Go out meals1.000.070.95.93 (5)0.3130.92 (5655)0.463
 3. Liquids effort0.040.06−3.019.33 (5)0.0024.64 (5655)< 0.001
 4. Solids effort−0.290.06−3.537.34 (5)< 0.0018.96 (5655)< 0.001
 5. Pills effort−0.510.05−0.19.35 (5)0.0961.45 (5655)0.204
 6. Painful0.100.06−5.762.73 (5)< 0.00125.20 (5655)< 0.001
 7. Pleasure eat−0.360.061.628.77 (5)< 0.0014.51 (5655)< 0.001
 8. Stick throat−0.110.06−1.532.71 (5)< 0.0017.39 (5655)< 0.001
 9. Cough0.520.065.131.30 (5)< 0.0015.33 (5655)< 0.001
 10. Stressful0.290.07−6.372.01 (5)< 0.00133.95 (5655)< 0.001
Independent respondents
 1. Lose weight−0.620.071.741.12 (3)< 0.00110.88 (3274)< 0.001
 2. Go out meals0.350.130.81.77 (3)0.6220.54 (3274)0.656
 3. Liquids effort0.420.12−2.312.37 (3)0.0065.22 (3274)0.002
 4. Solids effort0.020.09−2.015.31 (3)0.0025.69 (3274)0.001
 5. Pills effort−0.470.080.44.76 (3)0.1901.19 (3274)0.313
 6. Painful0.060.10−3.630.93 (3)< 0.00121.86 (3274)< 0.001
 7. Pleasure eat−0.280.090.011.88 (3)0.0082.91 (3274)0.035
 8. Stick throat0.270.10−1.012.80 (3)0.0054.08 (3274)0.007
 9. Cough−0.240.091.916.06 (3)0.0015.29 (3274)0.001
 10. Stressful0.500.12−4.128.93 (3)< 0.00120.83 (3274)< 0.001
Dependent respondents
 1. Lose weight−0.610.065.9122.30 (3)< 0.00019.71 (3379)< 0.001
 2. Go out meals0.960.080.91.90 (3)0.5940.44 (3379)0.723
 3. Liquids effort0.040.07−1.88.49 (3)0.0373.14 (3379)0.025
 4. Solids effort−0.360.07−2.725.42 (3)< 0.00011.50 (3379)< 0.001
 5. Pills effort−0.450.07−0.88.56 (3)0.0363.05 (3379)0.029
 6. Painful0.140.08−4.237.25 (3)< 0.00025.20 (3379)< 0.001
 7. Pleasure eat−0.350.071.916.02 (3)0.0013.43 (3379)0.017
 8. Stick throat−0.140.07−1.013.25 (3)0.0045.32 (3379)0.001
 9. Cough0.530.074.619.72 (3)< 0.0005.00 (3379)0.002
 10. Stressful0.240.08−4.740.32 (3)< 0.00030.76 (3379)< 0.001
Optimal value  <±2.5 ≥0.05a ≥0.05a
  1. Bold indicates misfit or violation of the Rasch model
  2. J-EAT-10 Japanese version of the Eating Assessment Tool, Loc. location, SE standard error, FR fit residual, χ2 Chi-square, df degrees of freedom, F F-statistic
  3. aBonferroni adjusted p = 0.005 for ten items