Skip to main content
. 2021 Jul 13;97(2):e124–e135. doi: 10.1212/WNL.0000000000012148

Figure 1. Participant Inclusion/Exclusion Diagram, NHANES 2011–2014.

Figure 1

NHANES = National Health and Nutrition Examination Surveys. *Head injury with loss of consciousness question was a part of the taste and smell questionnaire, which was administered to all participants ≥40 years of age during the 2011–2012 and 2013–2014 surveys. **The following covariates contained missing data that were accounted for with multiple imputation using chained equations in all adjusted analyses: education (n = 7), family income to poverty ratio (n = 663), moderate/vigorous work or recreational activity (n = 2), alcohol consumption (n = 961), hypertension (n = 314), history of cardiovascular disease (n = 3), history of stroke (n = 8), and depression (n = 986).