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Table 2 Item fit in order of difficulty (N = 1231)

From: Validation of the short assessment of health literacy (SAHL-D) and short-form development: Rasch analysis

Item Measure Model Infit Outfit
S.E. MNSQ ZTSD MNS ZSTD
Ventricle 2.95 .07 .96 −1 .89 − 1.3
Manic 2.2 .07 .99 −0.4 1.14 1.9
Reflux 1.85 .07 .92 −2.9 .97 − 0.4
Gelling agent 1.81 .07 1.14 5.1 1.20 3.1
Palliation 1.55 .07 .86 −5.6 1.12 1.9
Hemophilia 1.41 .07 1.05 1.7 1.05 0.9
Pessary 1.27 .07 .99 −0.4 .95 −0.8
Malaise 1.05 .07 1.13 4.2 1.23 3.4
Orthodontia 0.99 .07 1.17 5.1 1.25 3.7
Beta-blocker 0.87 .07 1.04 1.3 1.53 7
Chlamydia 0.81 .07 .99 −0.3 .98 −0.3
Prenatal 0.74 .07 .90 −3 .83 −2.7
Resistance 0.7 .07 1.15 4.3 1.26 3.5
Pancreas 0.61 .07 .85 −4.5 .74 − 4.1
Echography 0.6 .07 1.09 2.6 1.11 1.6
Apathy 0.36 .08 .96 −1 .90 −1.3
Chiropractor 0.14 .08 1.12 2.8 1.31 3.3
Delirium 0.02 .08 1.11 2.4 1.12 1.3
Psoriasis 0 .08 1.05 1.1 1.14 1.5
Edema −0.35 .09 .89 −2.1 .73 −2.6
Hospice −0.54 .09 .95 −0.9 .91 − 0.7
Biopsy −0.75 .10 .91 −1.3 .77 − 1.8
Euphoria −0.83 .10 .90 −1.5 .63 −2.9
Oncology −0.95 .10 .90 −1.4 .54 −3.6
Plaque −1.12 .11 .81 −2.6 .60 − 2.7
Obesity −1.13 .11 .96 −0.5 .96 −0.2
Flaking −1.15 .11 .99 −0.1 1.22 1.3
Apnea −1.25 .11 1.05 0.6 .93 −0.3
Schizophrenia −1.32 .11 .94 −0.7 .86 −0.7
Adrenalin −1.89 .14 1.05 0.5 1.88 3.1
Achilles tendon −2.44 .17 .96 −0.3 .70 −1.1
Defibrillation −2.92 .20 .85 −0.9 .42 −2.4
Spinal cord lesion −3.27 .22 .90 −0.5 .56 −1.5