This survey was in the field from 2008-09-22 until 2009-03-25.
|Demographics||Preloaded Demographic Variables|
|Base module||Identification, Timestamps, and Initialization Variables|
|Introduction||Introduction to the survey|
|Sleeping||Questions about sleeping|
|Pain||Questions about pain|
|Flu module||Questions about the flu, flu shot etc.|
|Closing||Closing questions, rating of the survey and additional notes|