Additional file 1: of Health and frailty among older spousal caregivers: an observational cohort study in Belgium PotierFlorence DegryseJean-Marie BihinBenoit Debacq-ChainiauxFlorence Charlet-RenardChantal MartensHenri de Saint-HubertMarie 2018 Table S1. Fried’s Frailty Criteria used for the study. The 5 criteria of the Fried’s Phenotype included unintentional weight loss (more than 4.5Kg in the past year), exhaustion, low physical activity (adapted from the InChianty study), slow walking speed (first quintile of walking speed in FRéLE study) and weakness (first quintile of grip strength in FRéLE study). (DOCX 15 kb)