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.
Data collection according to interventions: active (September 2012–February 2013; 5 months), passive (March 2013–June 2013; 4 months), and total (September 2012–June 2013; 9 months).
| 1st Data Collection | 2nd Data Collection | N | N | |
|---|---|---|---|---|
| Questionnaire about: | ||||
|
September 2012 | February 2013 | 672 | 465 |
|
September 2012 | February 2013 | 523 | 340 |
| Anthropometric measurements | September 2012 | June 2013 | 612 | 541 |
