Translation and validation of the Dutch Pittsburgh Fatigability Scale for older adults

BMC Geriatrics

Table 3 Exploratory Factor Analyses results: Pattern matrices of the Dutch PFS physical and mental subscales

		Physical subscale		Mental subscale
Factor / Item description		Factor 1 (α: 0.87)^a	Factor 2 (α: 0.83)^a	Factor 1 (α: 0.92)^b	Factor 2 (α: 0.80)^b
Moderate to high intensity activities
B	Brisk walking	0.800	–	0.984	–
D	Heavy gardening	0.657	–	0.699	–
G	Strength training	0.781	–	0.596	–
J	High intensity activity	0.832	–	0.525	–
Lifestyle or light intensity activities
C	Household activity	0.325	0.562	0.504	0.345
A	Leisurely walk	0.602	–	0.913	–
Social activities
H	Participate in social activity	–	0.806	–	0.850
I	Hosting social event	–	0.753	–	0.794
Sedentary activities
E	Watching TV	–	0.667	–	0.606
F	Sitting quietly	–	0.596	–	0.546

Factors were extracted by Principle Axis Factor analysis and rotated by oblique oblimin rotation.
Only factor loadings > 0.3 are presented.
a. Cronbach’s alpha was calculated using items B, D, G, J, A (Factor 1); C, E, F, H, I (Factor 2).
b. Cronbach’s alpha was calculated using items B, C, D, G, J, A (Factor 1); E, F, H, I (Factor 2).

ISSN: 1471-2318