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Table 3 Internal consistency of the subscales

From: Cross-cultural validation of the motivation to change lifestyle and health behaviours for dementia risk reduction scale in the Dutch general population

Subscale

Dutch MCLHB-DRR scale;

N = 618

English MCLHB-DRR scale;

N = 617

 

No. of items

Range of scores

Mean ± SD

α

No. of items

Range of scores

Mean ± SD

α

Perceived susceptibility

4

4–18

10.1 ± 2.7

0.86b

4

4–19

NK

0.86

Perceived severity

5

5–25

13.9 ± 3.7

0.76

5

5–25

NK

0.73

Perceived benefits

3a

3–15

9.1 ± 2.3

0.76c

4

4–20

NK

0.69

Perceived barriers

4

4–15

8.0 ± 2.5

0.77

4

4–20

NK

0.74

Cues to action

4

4–19

10.2 ± 3.1

0.84

4

4–20

NK

0.68

General health motivation

4

4–20

14.5 ± 2.3

0.64d

4

4–20

NK

0.61

Self-efficacy

2

2–10

5.8 ± 1.7

0.81

2

2–10

NK

0.66

  1. aItem 10 is deleted
  2. bCronbach’s alpha elevated to 0.93 if item 4 was deleted
  3. cCronbach’s alpha elevated to 0.80 if item 13 was deleted
  4. dCronbach’s alpha elevated to 0.69 if item 25 was deleted
  5. Abbreviations: α Cronbach’s alpha, MCLHB-DRR Motivation to Change Lifestyle and Health Behaviours for Dementia Risk Reduction, NK Not known
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BMC Public Health

ISSN: 1471-2458

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