Fig. 3.

Margins plots with linear prediction of outcomes across disability stages Footnotes: Margins plots based on multivariate linear (patient-reported outcomes) and generalized estimating equation model preictions (economic outcomes; gamma family with log link) with random effects for study site (cluster) and adjusted for age, sex, education, disease duration. Abbreviations: CCAS, Cerebellar Cognitive Affective Syndrome Scale; FARS-ADL, Friedreich's Ataxia Rating Scale–Activities of Daily Living Subscale; WEMWBS, Warwick–Edinburgh Mental Well-being Scale; COMATAX, scale for the psychosocial impact of communication disabilities.