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. Author manuscript; available in PMC: 2014 Aug 11.
Published in final edited form as: JAMA Psychiatry. 2013 May;70(5):522–533. doi: 10.1001/jamapsychiatry.2013.678

Table 3.

Medication Treatment Compliance

Variable Varenicline (n=86) Bupropion (n=102) Placebo (N=106) Total (N=294)

% (N) % (N) % (N) % (N)
Retained For 12 Week Treatment 86 (74) 87.3 (89) 84 (89) 86 (252)
Stopped Medication-Total Subjects 20.9 (18) 22.5 (23) 25.5 (27) 23.1 (68)
  * Stopped Medication & Continued in Counseling 33 (6) 43 (10) 37 (10) 38 (26)
  * Stopped Medication & Dropped 67 (12) 57 (13) 63 (17) 62 (42)
Took ≥ 80% of Medication Dose 72 (62) 78 (102) 75 (79) 75 (220)
Mean Percent of Total Pills Taken1
 All Subjects2 81 83 83 82
 Treatment Completers Only3 92 94 93 93
 Treatment Non-completers Only4 38 40 49 42
*

Percent of those who stopped medication

1

Total Pills Assigned-Total Pills Returned/Total Pills Assigned. In the case of premature discontinuation of medication, the total pills assigned and returned would be the same and prorated from the time the medication was discontinued through week 12.

2

Includes those that stopped medication and remained for counseling plus those that withdrew/failed to return during the 12 week treatment.

3

Includes all smokers who did not prematurely discontinue medication

4

Includes only those smokers who discontinue medication/withdraw sometime during treatment