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Table 2 Category intercept estimates for the four-dimensional model

From: Measurement and control of bias in patient reported outcomes using multidimensional item response theory

   Category  
Trait Item 1 2 3 4 5
  1 –0.971 1.583 0.385 1.153 –2.150
  2 –0.833 2.262 1.258 0.971 –3.659
  3 –1.281 2.457 0.978 1.224 –3.377
  4 –0.551 2.607 0.721 0.675 –3.452
  5 –0.571 3.092 1.318 0.762 –4.600
Neuroticism 6 0.685 2.702 0.507 0.524 –4.417
  7 –2.016 2.366 1.127 1.496 –2.972
  8 –0.251 3.304 1.193 0.208 –4.454
  9 –0.501 3.390 1.504 0.936 –5.329
  10 –1.103 2.944 1.023 1.044 –3.908
  11 0.686 3.540 1.151 0.611 –5.988
  12 0.044 3.109 0.753 0.715 –4.621
  13 –3.843 –1.539 –0.389 3.514 2.258
  14 –3.570 –0.478 0.490 2.829 0.730
  15 –4.542 0.997 1.349 2.691 –0.495
  16 –4.194 0.074 0.799 3.059 0.262
  17 –3.719 0.291 0.772 2.556 0.101
Agreeableness 18 –3.543 1.344 0.754 2.465 –1.019
  19 –4.470 –0.202 1.264 3.847 –0.439
  20 –1.189 0.118 2.103 -1.032 0.000
  21 –3.089 1.051 1.045 2.270 –1.277
  22 –3.822 –1.276 3.632 1.466 0.000
  23 –4.029 0.384 1.266 2.982 –0.604
  24 –5.305 0.181 0.832 3.319 0.973
  25 –3.710 0.265 0.776 2.418 0.252
  26 –3.815 0.122 0.505 2.964 0.223
  27 –3.561 0.686 0.800 2.471 –0.396
  28 –5.826 –1.564 –0.046 4.588 2.848
  29 –4.776 0.274 1.368 3.085 0.049
Conscientiousness 30 –4.359 0.869 0.916 2.996 –0.421
  31 –6.060 –0.827 0.893 4.240 1.755
  32 –5.423 –1.183 0.471 4.133 2.002
  33 –4.715 1.497 1.095 2.918 –0.795
  34 –6.140 0.072 1.711 3.717 0.639
  35 –4.710 0.606 0.894 3.173 0.038
  36 –5.167 0.626 1.692 3.104 –0.256
  1. Note: Boldface numbers indicate the highest positive intercept values per item category