Figure 3. Predicted Probabilities of Self-reported Perceived Stress, COVID-19 Worry, National Institutes of Health (NIH)–Toolbox Sadness, and NIH-Toolbox Positive Affect with 95% CIs by Date of Survey Completion Among US Children, Based on Restricted Cubic Spline Regression.
Results from 4 separate restricted cubic spline regression. A, Results for multilevel social determinants of health (SDoH) and perceived stress. B, Results for multilevel SDoH and COVID-19–related worry. C, Results for multilevel SDoH and NIH-Toolbox sadness. D, Results for multilevel SDoH and NIH-Toolbox positive affect. Shaded areas denote 95% CIs. The gray-shaded line notates the date of adult vaccination rollout.