The PREEMPT study - evaluating smartphone-assisted n-of-1 trials in patients with chronic pain: study protocol for a randomized controlled trial

Table 2 Examples of potential treatment assignments with the Trialist

Period length (days)	Cycles	Trial duration (weeks)	Weeks
			1	2	3	4	5	6	7	8	9	10	11	12
7	2	4	A^a	B^a	B	A
	3	6	A	B	B	A	A	B
	4	8	B	A	B	A	A	B	B	A
14	2	8	A		B		B		A
	3	12	A		B		B		A		A		B

ISSN: 1745-6215

Period length (days)	Cycles	Trial duration (weeks)	Weeks
			1	2	3	4	5	6	7	8	9	10	11	12
7	2	4	A^a	B^a	B	A
	3	6	A	B	B	A	A	B
	4	8	B	A	B	A	A	B	B	A
14	2	8	A		B		B		A
	3	12	A		B		B		A		A		B

Period length (days)	Cycles	Trial duration (weeks)	Weeks
			1	2	3	4	5	6	7	8	9	10	11	12
7	2	4	A^a	B^a	B	A
	3	6	A	B	B	A	A	B
	4	8	B	A	B	A	A	B	B	A
14	2	8	A		B		B		A
	3	12	A		B		B		A		A		B

Period length (days)	Cycles	Trial duration (weeks)	Weeks
			1	2	3	4	5	6	7	8	9	10	11	12
7	2	4	A^a	B^a	B	A
	3	6	A	B	B	A	A	B
	4	8	B	A	B	A	A	B	B	A
14	2	8	A		B		B		A
	3	12	A		B		B		A		A		B