Table 2.

End of follow-up questionnaire

Question (summarized)	Answers	N	%
Simplicity
Complexity, weekly questionnaires	Simple	2428	99
	Difficult	28	1·1
	Other	7	0·3
Complexity, severity questionnaires	Simple	1558	84
	Difficult	238	13
	Other	62	3,3
Time to answer weekly questionnaires, if not sick	Little/right time	2427	99·2
	Too much time	9	0·4
	Other	12	0·5
Time to answer weekly questionnaires, if sick	Little/right time	2230	91
	Too much time	32	1·3
	Other	188	7·6
Time to answer severity questionnaires	Little/right time	1745	93·9
	Too much time	23	1·2
	I do not remember	91	4·9
Use of registered email address
Type of email address used for Hälsorapport	Private	2080	88
	Professional	131	5·6
	Other	164	6·9
Use of email address when ill	Every day	1316	56
	A couple of times per week	580	25
	Once a week	221	9·3
	Less than once per week/never	129	5·4
	I am never sick	119	5·0
Adherence
To have missed reporting ill episodes	Have reported all ill episodes	2303	94
	Have not reported all ill episodes	91	3·7
	I do not remember	56	2·3
To have interrupted reporting	Have interrupted reporting	108	4·4
	Have not interrupted reporting	1980	84
	Other	356	14·1
Reason for reporting interruption	Forgot	43	40
	Lack of motivation	17	16
	Busy	16	15
	Technical problems	14	13
	Not sick	9	8·3
	Other reasons	39	35·9
Considering to extend participation	Yes	1873	78
	No/I do not know	540	22·2