Skip to main content

Table 3 Model fit statistics for HLQ scales

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

Rasch component

Overall model fit

Item fit Mean (SD)

Person fit Mean (SD)

Internal consistency reliability (PSI)

Unidimensionality (% of significant t tests). CI shown where % of significant t tests >5%

Section one: scales of agreement (four response categories)

1) Feeling understood and supported by healthcare providers

χ2 = 27.80

−2.26

−0.92

0.78

2.31%

p < 0.0125

(0.94)

(1.16)

2) Having sufficient information to manage my health

χ 2 = 58.10

−2.20

−0.81

0.75

3.70%

p < 0.0125

(2.51)

(1.13)

3) Actively managing my health

χ 2 = 43.21

−2.28

−1.235

0.73

6.47%

p < 0.01

(1.99)

(1.81)

CI:0.04–0.09

4) Social support for health

χ 2 = 55.62

−0.77

−0.86

0.72

4.85%

p < 0.01

(2.51)

(1.69)

5) Appraisal of health information

χ 2 = 22.16

−0.80

−0.81

0.79

6.00%

p = 0.33

(1.55)

(1.60)

CI:0.04–0.08

Section two: scales of capabilities (five response categories)

6) Ability to actively engage with healthcare providers

χ 2 = 27.77

−2.20

−1.00

0.74

3.46%

p < 0.01

(1.17)

(1.42)

7) Navigating the healthcare system

χ 2 = 46.64

−2.00

−0.86

0.82

4.16%

p < 0.0083

(2.43)

(1.34)

8) Ability to find good health information

χ 2 = 28.65

−1.36

−0.95

0.77

4.39%

p = 0.02

(0.80)

(1.42)

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

χ 2 = 18.58

−2.03

−0.94

0.72

5.31%

p = 0.05

(1.26)

(1.40)

CI:0.03–0.07

  1. SD standard deviation, PSI person separation index, CI confidence interval
  2. Statistics beyond the pre-specified ideal values are noted in bold