Table 3.

Participant response rates for individual items/scales

	Qu 1a		SF-12v2b		FSIc		HADSd		Single iteme
	n	%	n	%	n	%	n	%	n	%
Online	536	54.4%	488	49.5%	474	48.1%	472	47.9%	472	47.9%
Mail	498	50.7%	498	50.7%	498	50.7%	498	50.7%	497	50.6%

^a Start of the questionnaire.

^b The SF-12v2 measures physical and emotional health.

^c Fatigue Symptom Inventory.

^d Hospital Anxiety and Depression Scale.

^e “I feel tired for no reason.”