Table 1.

Sociodemographic and clinical characteristics of the study participants at baseline.

	Control group (n = 69)		Intervention group (n = 69)		Total group (n = 138)
	Number	%	Number	%	Number	%
Age in years
Mean (SD)	62·3 (11·9)	-	60·0 (12·7)	-	61·1 (12·3)	-
25th-75th percentile	54·5 – 71·5	-	51 – 68·5	-	53 – 70·3	-
Sex
Male	37	54	37	54	74	54
Female	32	46	32	46	64	46
Education levela
Low	19	28	19	28	38	28
Medium	18	26	16	23	34	25
High	31	45	34	49	65	47
Other/unknown	1	1	-	-	1	1
Marital status, partner
Yes	57	83	58	84	115	83
No	12	17	11	16	23	17
Children
Yes	54	78	52	75	106	77
No	15	22	17	25	32	23
Employed
Yes	28	41	23	33	51	37
No	41	59·4	46	67	87	63
Tumor type
Lung cancer	8	12	8	12	16	12
Hematological cancer	8	12	8	12	16	12
Brain tumor	22	32	17	25	39	28
Head and neck cancer	7	10	9	13	16	12
Breast cancer	5	7	10	15	15	11
Gastro-intestinal cancer	10	15	9	13	19	14
Urological cancer	6	9	4	6	10	7
Other	1	1	3	4	4	3
Multiple primariesb	2	3	1	1	3	2
Anti-cancer treatment
None	7	10	5	7	12	9
Single treatment	49	71	49	71	98	71
Combination or multimodal treatment	13	19	15	22	28	20
Comorbidities
No comorbidities	37	54	28	41	65	47
One comorbidity	17	25	22	32	39	28
Two or more comorbidities	15	22	19	28	34	25

^aLow = elementary school/preparatory secondary vocational education (VMBO), Middle = secondary vocational education (MBO)/general secondary education (HAVO)/pre-university education (VWO), High = higher vocational education (HBO)/university (WO). Dutch abbreviations of the school types are specified between the brackets.

^bThree patients were diagnosed with multiple primary tumors and therefore shown in a separate category.