Current WLS Activities
In-Person interviews of the class members and one of their siblings began in March of 2010. We expect to complete this wave of data collection by late 2011 or early 2012. The instrument includes updates of participants work and family lives, repeated cognition measures and new physical and functioning measures. Participants are also invited to complete a leave behind self-administered questionnaire, sign social security and medicare recores access waivers, and donate a saliva sample if they haven't yet done so. An early, "dirty" release of the WLS in-person data will be released to the research community as soon as possible after fielding ends. A cleaned and documented version of the in-person and SAQ