Validation of Perceived Mental Fatigability Using the Pittsburgh Fatigability Scale.

ABSTRACT:

Objectives

Establish reliability, concurrent and convergent validity of the Pittsburgh Fatigability Scale (PFS) Mental subscale.

Design

Cross-sectional.

Setting

Older adults from two University of Pittsburgh registries, Baltimore Longitudinal Study of Aging (BLSA), and Long Life Family Study (LLFS).

Participants

PFS Mental subscale validation was conducted using three cohorts: (1) Development Sample (N = 664, 59.1% women, age 74.8 ± 6.4 years, PFS Mental scores 10.3 ± 9.1), (2) Validation Sample I-BLSA (N = 430, 51.9% women, age 74.5 ± 8.2 years, PFS Mental scores 9.4 ± 7.9), and (3) Validation Sample II-LLFS (N = 1,917, 54.5% women, age 72.2 ± 9.3 years, PFS Mental scores 7.5 ± 8.2).

Measurements

Development Sample, Validation Sample I-BLSA, and Validat

SUBMITTER: Renner SW 

PROVIDER: S-EPMC8127403 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature