Figure 4.
Histogram drawn with R package ggridges (Wilke and ggridges (2018), code available at https://git.io/fpOLj), showing self-reported use of frequency-dependent BCTs (1 = Not once … 6 = Daily).
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.