Table 1.

Sample size across consecutive days of abstinence (n = 146).

Duration of Abstinence	Number of participants contributing any data at this duration	Number of subject-days of data at this duration	Number of observations at this duration
1	146	484	1710
2	107	210	774
3	77	120	460
4	51	73	246
5	37	47	170
6	31	35	133
7	19	20	79
8-10	35æ	13†	47†
11-15	15æ	4†	15†
16-23(max)	3æ	2†	5†

Notes:

^æParticipant count reflects the number of participants contributing data to any of the durations of abstinence within the grouping

^†Entries are the average number of subject-days / observations in available for analysis in each day in the run of abstinence.