Related Variables

ess_interim Epworth Sleepiness Scale: Total score

Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score.

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)/Interim