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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-abbreviated Loc SE FR χ2 (df) P F (df) P
Full sample
 1. Lose weight −0.67 0.05 5.9 186.01 (5) < 0.001 20.52 (5.655) < 0.001
 2. Go out meals 1.00 0.07 0.9 5.93 (5) 0.313 0.92 (5655) 0.463
 3. Liquids effort 0.04 0.06 −3.0 19.33 (5) 0.002 4.64 (5655) < 0.001
 4. Solids effort −0.29 0.06 −3.5 37.34 (5) < 0.001 8.96 (5655) < 0.001
 5. Pills effort −0.51 0.05 −0.1 9.35 (5) 0.096 1.45 (5655) 0.204
 6. Painful 0.10 0.06 −5.7 62.73 (5) < 0.001 25.20 (5655) < 0.001
 7. Pleasure eat −0.36 0.06 1.6 28.77 (5) < 0.001 4.51 (5655) < 0.001
 8. Stick throat −0.11 0.06 −1.5 32.71 (5) < 0.001 7.39 (5655) < 0.001
 9. Cough 0.52 0.06 5.1 31.30 (5) < 0.001 5.33 (5655) < 0.001
 10. Stressful 0.29 0.07 −6.3 72.01 (5) < 0.001 33.95 (5655) < 0.001
Independent respondents
 1. Lose weight −0.62 0.07 1.7 41.12 (3) < 0.001 10.88 (3274) < 0.001
 2. Go out meals 0.35 0.13 0.8 1.77 (3) 0.622 0.54 (3274) 0.656
 3. Liquids effort 0.42 0.12 −2.3 12.37 (3) 0.006 5.22 (3274) 0.002
 4. Solids effort 0.02 0.09 −2.0 15.31 (3) 0.002 5.69 (3274) 0.001
 5. Pills effort −0.47 0.08 0.4 4.76 (3) 0.190 1.19 (3274) 0.313
 6. Painful 0.06 0.10 −3.6 30.93 (3) < 0.001 21.86 (3274) < 0.001
 7. Pleasure eat −0.28 0.09 0.0 11.88 (3) 0.008 2.91 (3274) 0.035
 8. Stick throat 0.27 0.10 −1.0 12.80 (3) 0.005 4.08 (3274) 0.007
 9. Cough −0.24 0.09 1.9 16.06 (3) 0.001 5.29 (3274) 0.001
 10. Stressful 0.50 0.12 −4.1 28.93 (3) < 0.001 20.83 (3274) < 0.001
Dependent respondents
 1. Lose weight −0.61 0.06 5.9 122.30 (3) < 0.000 19.71 (3379) < 0.001
 2. Go out meals 0.96 0.08 0.9 1.90 (3) 0.594 0.44 (3379) 0.723
 3. Liquids effort 0.04 0.07 −1.8 8.49 (3) 0.037 3.14 (3379) 0.025
 4. Solids effort −0.36 0.07 −2.7 25.42 (3) < 0.000 11.50 (3379) < 0.001
 5. Pills effort −0.45 0.07 −0.8 8.56 (3) 0.036 3.05 (3379) 0.029
 6. Painful 0.14 0.08 −4.2 37.25 (3) < 0.000 25.20 (3379) < 0.001
 7. Pleasure eat −0.35 0.07 1.9 16.02 (3) 0.001 3.43 (3379) 0.017
 8. Stick throat −0.14 0.07 −1.0 13.25 (3) 0.004 5.32 (3379) 0.001
 9. Cough 0.53 0.07 4.6 19.72 (3) < 0.000 5.00 (3379) 0.002
 10. Stressful 0.24 0.08 −4.7 40.32 (3) < 0.000 30.76 (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