Update #4: 02/09/18
The Round 3 variables describing "Number of Missed Days" (DDNWRK3, DDNSCL3, OTHNDD3) and "Number of Days Spent in Bed" (WKINBD3, SCLNBD3, DDBDYS3) have been to include information from both Year 1 and Year 2. The prior versions have only included information from Year 2.
Update #3: 11/22/13
STATA Programming Statements have been added.
Update #2: 06/15/12
The SPSS Programming Statements have been updated to read all data variables. The prior version did not read past the SPSS column location of 8,192.
Update #1: 02/23/10
The number of records file was incorrectly reported in Section 2.0 and Table 2 of the docume In this update these numbers have been edited to reflect the number of records. No changes were made to the data file, documentation.