Skip to main content

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