Primary analyses.
REGRESSION
Descriptive statistics were used to report on demographics and primary outcomes. Categorical data were reported as proportions in each response category, and Fisher’s exact test of independence was used to compare responses and attrition between intervention arms (two-tailed). Logistic regression was used to test for changes in self-reported sleep onset latency (captured as a categorical variable) with predictors “group,” “timepoint,” and their interaction included in the model (