The walking estimated limitation stated by history (WELSH): a visual tool to self-reported walking impairment in a predominantly illiterate population.

Background: The prevalence of cardiovascular diseases is increasing in low-income countries. Various questionnaires to estimate walking capacity in patients are available in multiple languages but they are not suitable for illiterate patients.

Objective: The walking estimated limitation stated by history (WELSH) tool aims at rating individual walking disability using only drawings and four items.