Early Discontinuation and Withdrawal



A data frame with 1895 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