Fig. 2From: Rest-activity profiles among U.S. adults in a nationally representative sample: a functional principal component analysisAssociations between study characteristics and rest-activity profiles in adults in the National Health and Nutrition Examination Survey (2011-2014). Multiple linear regression models included all study characteristics and their categories simultaneously. Abbreviations: CI, confidence interval; HS, high school; NH, non-Hispanic; PCA1-4, principal component analysis component 1-4Back to article page