Figure 1.
Frequency of PA (PA less than once a week) over four time points (T1-T4) in five Alpine regions (Tyrol: n = 582; Vorarlberg: n = 668; Upper Bavaria: n = 446; South Tyrol: n = 554; Trentino: n = 603).
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.