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.
Physical activity level (PAL) in the intervention group (■; n 46) and in the control group (▒; n 10). Values are means, with standard errors represented by vertical bars. * Mean value was significantly different from that at baseline (P < 0·05). † Mean value was significantly different from that of the intervention group (P < 0·05).
