Table 1. Withdrawals by reason and time point.

Reason for withdrawal	Week 2	Week 4	Week 6	⨉	Week 8	Week 10	Week 12	Total
Treatment Change for Depression	3	3	1	Cross-over		2a	2a	11
Side Effects	1							1
Change in Health Status		1						1
Personal Reasons			1					1
No Reason Given		1	1					2
Lost to Follow Up	1		1					2
Total number of withdrawals	5	5	4		0	2a	2a	18

^aThese participants were included in the final analysis using their last recorded values.