Table 5

Adverse effects, self-reported

	3 months after baseline				15 months after baseline
	Treatment		Control		Treatment		Control
	n	%	n	%	n	%	n	%
Total
No	9	60	12	57	9	69	14	74
Yes	6	40	9	43	4	31	5	26
More fatigued
No	13	87	18	86	13	100	18	95
Yes	2	13	3	14	0	0	1	5
More attention problems
No	13	87	15	71	12	92	17	89
Yes	2	13	6	29	1	8	2	11
More pain
No	15	100	18	86	13	100	18	95
Yes	0	0	3	14	0	0	1	5
More sad/depressed
No	11	73	20	95	10	77	19	100
Yes	4	27	1	5	3	23	0	0
Less schoolwork
No	14	93	17	85	11	92	16	89
Yes	1	7	3	15	1	8	2	11
Any incident of self-harm
No	14	93	21	100	13	100	19	100
Yes	1	7	0	0	0	0	0	0
Any thoughts/fantacies about suicide
No	15	100	20	100	13	100	18	95
Yes	0	0	0	0	0	0	1	5