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Table 3 Biological health and lived health questions included in the single biological health scale and lived health scale and their parameter estimates (discrimination (Discr) and threshold parameters (Thr 1-2)) for the final GRM models

From: Biological health or lived health: which predicts self-reported general health better?

  Biological health scale Lived health scale
Questions Split in Discr Thr 1 Thr 2 Split in Discr Thr 1 Thr 2
Communication         
With what level of difficulty would you say you are able to…         
Speak intelligibly or utter coherent phrases? Young 2.106 0.690 1.698 Institutionalized young 1.325 -0.001 1.452
Institutionalized old 1.634 0.906 2.073
Community-dwelling young 0.914 1.795 3.807
Old 2.681 1.011 2.054 Community-dwelling old 1.222 2.110 3.453
Understand what other persons say to you?   2.375 1.025 2.300     
Understand and express yourself in writing? Young 2.153 0.521 1.147     
  Old 2.271 0.871 1.514
Understand and express yourself via gestures, symbols, illustrations or sounds?   2.276 1.226 2.010     
Hold a dialogue and exchange ideas with one or more persons? Young 3.357 0.557 1.422     
  Old 4.291 0.952 1.772
Use the telephone or other devices or communication techniques?   1.989 0.649 1.427     
Learning and application of knowledge and development of tasks         
With what level of difficulty are you able to…         
Hold a gaze or pay attention when listening?   2.066 1.397 2.558     
Learn to perform simple tasks?   1.963 1.043 2.103     
Perform simple tasks?   2.328 1.236 1.940 Institutionalized 2.440 0.800 1.486
Community-dwelling 1.867 1.745 2.383
Perform complex tasks?   1.871 0.799 1.965 Institutionalized young 1.180 -0.092 1.091
Institutionalized old 2.018 0.428 1.067
Community-dwelling 1.346 1.625 2.475
Mobility         
With what level of difficulty are you able to…         
Walk and move around the home? Institutionalized young 2.033 1.433 2.126 Institutionalized young 2.904 1.025 2.172
Institutionalized old 1.394 0.148 1.427 Institutionalized old 1.957 0.523 2.191
Community-dwelling 1.987 -0.447 1.196 Community-dwelling 1.390 0.083 2.927
Walk or move outside the home?   0.626 -2.691 1.156   1.813 -0.128 2.097
Lift or carry objects?      Institutionalized 1.938 0.309 1.005
Community-dwelling 1.314 -0.416 1.731
Handle and move objects?      Institutionalized 2.436 0.800 1.535
Community-dwelling 1.463 -0.121 2.178
Lift or carry small objects? Institutionalized 1.895 0.931 1.708 Institutionalized 2.407 0.721 1.576
Community-dwelling 2.122 -0.319 1.212 Community-dwelling 1.631 -0.034 1.914
Self-Care         
With what level of difficulty would you say are you able to…         
Wash or dry different body parts? Young 2.590 0.019 1.040   2.760 0.197 1.695
Old 2.475 -0.549 0.908
Perform basic grooming?   1.922 -0.375 0.994   2.325 0.159 1.597
Carry out activities related to urination? Institutionalized young 3.571 1.090 1.542   2.562 0.501 1.720
Institutionalized old 1.728 0.358 1.352
Community-dwelling 3.129 -0.169 0.893
Carry out activities related to defecation? Young 2.275 0.902 1.682   2.862 0.541 1.637
Old 2.247 0.373 1.144
Dress or undress? Institutionalized young 3.591 0.750 1.545   3.445 0.361 1.565
Institutionalized old 2.057 0.161 0.923
Community-dwelling 3.294 -0.278 0.723
Eat and drink? Institutionalized 2.196 1.128 1.914   2.837 0.913 2.165
Community-dwelling 3.140 -0.043 1.439
Follow medical prescriptions?   1.789 -0.220 1.875   1.967 0.521 1.648
Avoid dangerous situations?   1.957 0.113 1.457   2.664 0.290 0.955
Home Life         
With what level of difficulty would you say are you able to…         
Do shopping?       2.512 -0.062 0.681
Prepare meals?       4.251 0.008 0.543
Carry out housework?   1.152 -1.083 0.645   2.462 -0.099 0.595
Interaction and interpersonal relations         
With what level of difficulty would you say are you able to…         
Show to others affection, respect or transmit feelings? Young 1.820 1.224 2.325     
Old 2.374 1.423 2.221     
Relate to strangers?   1.837 1.026 1.969     
Initiate and maintain relations with friends, neighbours, acquaintances or colleagues? Young 1.865 0.952 1.825     
Old 2.917 1.202 1.806     
Initiate and maintain intimate or sexual relations? Institutionalized 1.359 -0.175 0.515     
Community-dwelling young 1.920 0.654 1.325     
  Community-dwelling old 4.970 1.151 1.295