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Table 4 Individual item fit statistics

From: Measurement properties of the Health Literacy Questionnaire (HLQ) among older adults who present to the emergency department after a fall: a Rasch analysis

HLQ scale

HLQ item

Location

SE

Item fit residual

Chi-square

Bonferroni adjusted Chi-square probability

Section one: scales of agreement (four response categories)

1) Feeling understood and supported by healthcare providers

I have at least one healthcare provider who …

0.20

0.10

−2.73

3.60

0.17

I have at least one healthcare provider I can …

0.04

0.11

−2.85

2.46

0.29

I have the healthcare providers I need …

0.40

0.12

−0.87

21.21

<0.0125

I can rely on at least one …

−0.63

0.12

−2.61

0.53

0.76

2) Having sufficient information to manage my health

I feel I have good information about health …

−0.56

0.10

1.50

35.02

<0.0125

I have enough information to help me deal …

−0.14

0.10

−3.98

6.67

0.08

I am sure I have all the information I need to …

0.42

0.10

−3.45

8.55

0.04

I have all the information I need to …

0.28

0.09

−2.86

7.86

0.05

3) Actively managing my health

I spend quite a lot of time actively managing …

0.48

0.09

0.461

20.54

<0.01

I make plans for what I need to do to be …

0.19

0.10

−1.384

3.63

0.30

Despite other things in my life, I make time …

0.08

0.10

−4.56

5.44

0.14

I sent my own goals about health and fitness

−0.29

0.11

−2.09

3.57

0.31

There are things that I do regularly …

−0.46

0.10

−3.80

10.03

0.02

4) Social support for health

I can get access to several people who …

−0.25

0.09

0.70

7.08

0.13

When I feel ill, the people around me really …

0.27

0.09

0.22

7.42

0.12

If I need help, I have plenty of people I …

−0.09

0.09

−2.91

11.27

0.02

I have at least one person …

0.60

0.08

2.02

10.69

0.03

I have strong support from …

−0.52

0.09

−3.87

19.17

<0.01

5) Appraisal of health information

I compare health information from different …

−0.02

0.09

−0.15

0.84

0.93

When I see new information about health, I …

0.50

0.09

−1.864

2.49

0.65

I always compare health information from …

0.36

0.09

−2.88

8.58

0.07

I know how to find out if the health …

−0.56

0.10

−0.09

3.86

0.42

I ask healthcare providers about the quality …

−0.28

0.09

0.98

6.38

0.17

Section two: scales of capabilities (five response categories)

6) Ability to actively engage with healthcare providers

Make sure that healthcare providers understand …

−0.73

0.11

−1.75

6.19

0.05

Feel able to discuss your health concerns with a …

−0.33

0.11

−1.28

10.84

<0.01

Have good discussion about your health …

0.01

0.10

−3.61

5.09

0.08

Discuss things with healthcare providers …

0.37

0.10

−3.27

1.94

0.38

Ask healthcare providers questions to get …

0.68

0.10

−1.06

3.71

0.16

7) Navigating the healthcare system

Find the right healthcare

−0.03

0.09

−1.44

1.58

0.45

Get to see the healthcare providers I need to

−0.29

0.09

−1.06

8.55

0.01

Decide which healthcare provider you need …

−0.43

0.09

−3.27

7.35

0.03

Make sure you find the right place to get …

−0.34

0.09

−6.19

4.98

0.08

Find out what healthcare services you are …

0.68

0.08

0.82

8.53

0.01

Work out what is the best care for you

0.41

0.09

−0.87

15.66

<0.0083

8) Ability to find good health information

Find information about your health problems

−0.25

0.09

−1.70

1.91

0.59

Find health information from several …

0.48

0.07

−1.26

3.72

0.29

Get information about health so you are …

0.15

0.08

−2.51

4.62

0.20

Get health information in words you …

−0.86

0.09

−0.44

12.92

<0.01

Get health information by yourself

0.48

0.07

−0.87

5.49

0.14

9) Understanding health information well enough to know what to do

Confidently fill medical forms in the correct …

0.25

0.07

−1.70

3.84

0.15

Accurately follow the instructions from …

−0.35

0.09

−0.37

2.33

0.31

Read and understand written health …

0.23

0.08

−3.87

7.06

0.03

Read and understand all the information on …

0.15

0.08

−2.35

3.45

0.18

Understand what healthcare providers are …

−0.28

0.10

−1.87

1.90

0.39

  1. SE standard error
  2. Statistics beyond the pre-specified range are noted in bold
  3. Items are truncated. Full items are available from the tool developers