Table 2

Exploratory factor analysis factor loads, characteristic roots and sums of squares of the Brain Health Self-Efficacy Scale (BHSES)

ItemComponent
123
1I will probably get dementia in the future.0.541
2I feel afraid of dementia.0.791
3Dementia will cause great suffering.0.873
4Dementia is costly and burdensome for families.0.853
6My blood pressure/blood sugar is basically stable.0.852
7I can keep my temper and promote brain health.0.826
9I have a balanced diet.0.725
10I enjoy communicating with others.0.609
11I try my best to monitor the chronic diseases0.570
13This week I will do physical exercises.0.733
14This week I will stay happy.0.831
15This week I can control my blood pressure and blood sugar.0.751
16This week I will go out for social contact.0.815
17This week I can learn latest knowledge or try new activities.0.768
18This week I can keep a proper diet without smoking.0.697
19I care about my memory and brain health and I’m willing to take regular memory check-ups and see a doctor if necessary.0.767
Eigenvalues
Rate of cumulative variance contribution (%)
1.228
7.675
2.380
14.875
6.174
38.590