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.
iHelmet© app interface. The app allows for the user to record data on the following variables: bike type (bike, racing bike, skate, bike sharing), age (child, young adult, adult, senior), number of bikes, visible minority (yes or no), helmet use (yes or no), and gender (male or female)
