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Table 4 Short form item properties (nā€‰=ā€‰13) in order of item difficulty

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

Item

Measure

Model

Infit

Outfit

SE

MNSQ

ZSTD

MNSQ

ZSTD

Ventricle

2.47

0.07

0.95

āˆ’1.5

0.84

āˆ’1.8

Reflux

1.32

0.07

0.88

āˆ’4.6

0.86

āˆ’2.7

Gelling agent

1.29

0.07

1.11

3.8

1.17

3.1

Pessary

0.73

0.07

0.95

āˆ’1.8

0.88

āˆ’2.4

Malaise

0.5

0.07

1.13

4.2

1.24

4.2

Orthodontia

0.44

0.07

1.09

2.7

1.18

3.2

Chlamydia

0.25

0.07

0.93

āˆ’2

0.89

āˆ’1.9

Echography

0.04

0.07

1.04

1.1

1.01

0.1

Chiropractor

āˆ’0.44

0.08

1.1

2.3

1.29

3.3

Biopsy

āˆ’1.36

0.1

0.91

āˆ’1.4

0.78

āˆ’1.7

Plaque

āˆ’1.74

0.11

0.81

āˆ’2.7

0.7

āˆ’2

Obesity

āˆ’1.75

0.11

0.94

āˆ’0.7

0.9

āˆ’0.6

Flaking

āˆ’1.77

0.11

1.01

0.2

1.3

1.7