Table 1. Demographic and clinical characteristics of the patients.

Variable	N	%	Male	Female
Gender
Male	22	21.8
Female	79	78.2
Age
≤65 years		72	71.3	14
66–84 years	29	28.7	8	21
Marital status
Single	15	14.9	2	13
Married	59	58.4	16	43
Divorced	18	17.8	4	14
Widow	6	5.9	0	6
Co-inhabitant	3	3.0	0	3
Highest level of education
Primary	2	2	0	2
High school 9 years	9	8.9	2	7
High school 12 years	44	43.6	6	38
University degree	41	40.6	13	28
MSc/PhD	5	5.0	1	4
Occupational sector
Business/Financial/Administrative	24	23.7	6	18
Education/Science	17	16.8	3	14
Trade/Other services	16	15.8	4	12
Health	12	11.9	1	11
Maintenance services	4	4.0	2	2
Marketing/Media	6	6.0	4	2
Protective services	1	1.0	0	1
Non-working	8	7.9	1	7
Not disclosed	13	12.9	1	12
Place of birth
Belgium	75	74.3	16	59
Outside of Belgium	26	25.7	6	20
Primary tumour site
Breast	59	58.4	0	59
Gastrointestinal	20	19.8	11	9
Urogenital	6	5.9	5	1
Gynaecological	5	5.0	0	5
Lung	5	5.0	3	2
Melanoma	3	3.0	2	1
Head and neck	2	2.0	1	1
Sarcoma	1	1.0	0	1
Disease extent
Limited	35	34.7	5	30
Metastatic	66	65.3	17	49
Performance status (ECOG)
0	29	28.7	7	22
1	59	58.4	11	48
2	13	12.9	4	9
Line of treatment
Neo-adjuvant	11	10.9	2	9
Adjuvant	23	22.8	3	20
Metastatic
• Approved (standard) treatments
o 1st	20	19.8	6	14
o 2nd	10	9.9	4	6
o ≥3rd	16	15.9	1	15
• Non-approved treatments (clinical trial)	21	20.8	6	15
Participation in clinical triala
Yes	29	28.7	6	23
No	72	71.3	16	56

^aAdjuvant and metastatic contexts.