Table 2.

Schedule of assessments (flow of research project).

Assessments		Occurrence of assessmenta at each project period
		Before initial routine visit	Initial routine visit: around 15 days after having received MPCb routine screening self-administered questionnaires	Second visit: 1-7 days after initial MPC routine visit
MPC routine screening and postscreening self-administered questionnaires (completed at home)
	Demographic data: gender, age, marital status, language, education, professional activity, and insurance claims	x
	Pain data: localization (pain drawings), intensity (Visual Analog Scale), duration, characteristics (McGill Pain Questionnaire), and aggravating and alleviating factors	x
	Severity disability (Oswestry Disability Index)	x
	Quality of life (36-Item Short Form Survey) [93]	x
	Patient expectations about MPC	x
	Illness beliefs (Brief Illness Perception Questionnaire–Revised)	x
	Demoralization (Demoralization Scale) [45]	x
	Severity of depression (Beck Depression Inventory-II [BDI-II]) [91]	x
	Suicidal ideation (item No. 9 of the BDI-II) [91]	x
MPC routine visit + study information to patient (written communication)			x
Study visit (required time 1 hour)
	Informed consent and inclusion			x
	Clinical evaluation of suicidal ideationc			x
	Characteristics and severity of suicidal ideation (Scale for Suicidal Ideation)c [92]			x
	Meaning in life (Meaning in Life Questionnaire) [61]			x
	Clinical diagnostic and exclusion of major depressive disorder and/or other psychiatric comorbidities (clinical interview and structured interview by French 5.0.0 version of the Mini-International Neuropsychiatric Interview [90])			x

^ax indicates that the assessment was performed, while a blank cell indicates that it was not.

^bMPC: Multidisciplinary Pain Centre.

^cThis assessment was only performed in patients with suicidal ideation: those with a score between 1 and 3 in question 9 of the BDI-II.