Table A2.

Reasons for drop out.

Reason for Dropping Out	n
Unreachable via mail/phone	21
Very stressed at home (questioned by phone)	8
Patient was no longer interested (vs. caregiver)	3
Caregiver was no longer interested (vs. patient)	3
Death of patient	2
Nursing home	2
Changed diagnosis (atypical Parkinsonism)	1

Drop-outs: n = 40 (t₁ n = 84; t₀ n = 124).