Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Quadratic interaction effect for subjective sleep problems2 x race/ethnicity predicting mother-reported internalizing symptoms. EA = white/European American; AA = black/African American; CI = confidence interval. The x-axis range is ± 1.75 SD (maximum range of the data) for sleep problems. Internalizing values are represented in T-scores. **p < .01.
