Early Discontinuation and Withdrawal
A data frame with 1894 rows and 16 variables
A dataset with variables as follows:
WDBURDEN T NA If Participant or Study Partner Burden selected, indicate items reported to be most burdensome:
WDDETAILS T NA Detailed Description:
RID N Participant roster ID
SITEID N Site ID
VISCODE T Visit code
USERDATE S Date record created
EXAMDATE D Examination Date
WDRAWTYPE N 1. Is this a Full or Partial Withdrawal or Completion of ADNI 1, not continuing to extension protocol?
WDPARTIAL T If Partial, what is the participant withdrawing from?
WDREASON T Reason for Withdrawal
WDPARTCOM T Please provide any additional information regarding the withdrawal. If individual procedures are being discontinued for different reasons, please provide an explanation.
WDFOLLOWUP T 2. Follow-up: (check all that apply)
USERDATE2 S Date record last updated