Table 1. List of attributes and levels.

Attributes	Levels	Variable in equation
Time to diagnosis	1 year	TimeD
	2 years
	3 years
	5 years
Who makes the diagnosis	GP	DiagGP
	Rheumatologist	DiagRheu
Type of treatment	Medication	TreatMed
	Physical Therapy	TreatPT
	Talking Therapy	TreatTT
Wating time for treatment	3 months	TimeT
	6 months
	12 months
Ongoing help and advice	Appointments with GP	HelpGP
	Appointments with Rheumatologist	HelpRheu
	Appointments with Nurse Practitioner	HelpNurse
	Peer Support	HelpPeer
How ongoing help and advice is provided	Face-to-face appointments	OngF2F
	Phone-call/video-call appointments	OngCall
	Text messaging	OngText

^a Time to diagnosis from the start of first symptoms.

^b Health care provider that makes the initial diagnosis.

^c Type of help and advice received after the diagnosis.

^d Patient would be prescribed a medicine, or a set of medicines or drugs, used to improve fibromyalgia symptoms.

^e The patient would undertake a programme of physical exercise designed by a trained exercise professional. The type of exercise and the amount of time would be adjusted to suit their own need.

^f The patient would undertake a training programme designed by a trained behavioural therapist. The programme would involve focusing on their current thoughts, beliefs and attitudes, how these affect feelings and behaviour, and learning coping skills to deal with problems.

^g Following diagnosis, the waiting time to receive help and advice from a health care provider.

^h Ongoing appointments to manage fibromyalgia.

^I How the ongoing help and advice would be provided.