Principal Investigator:
(in process)
Collaborating Investigators: (none)
Year First Collected: 1968
Year Last Collected: 1998
Frequency of Collection: Every visit after 1989
Subset Data Files on the VMS Cluster? None
Data Type Notes:
3/1/1990: Initiated 26Feb90
4/25/1990: Columns 35-39, AMOUNT OF MEDICATION..., may include a decimal point
6/19/1990: Columns 41-42 were changed 13Jun90 so as to contain an implied decimal point
7/9/1991: 99 (9.9) in columns 41-42 indicates 9.9 or more tablets per dose
11/02/92: An asterisk in column 30 indicates a need to refer to paper form
Descriptive History: