Table 2.

Sample characteristics.

	Obs.	%
Difference in SOC score between T0 and T3:
Stronger SOC (negative change)	25	21.37
No change in SOC	76	64.96
Weaker SOC (positive change)	16	13.68
SOC score at baseline (T0):
Strong SOC (Score of 3)	19	16.24
Moderate SOC (Score of 4–5)	66	56.41
Weak SOC (Score of 6–9)	32	27.35
Education:
Primary/no education	46	39.32
Secondary education and above	71	60.68
Income assistance:
No response	29	24.79
Receiving income assistance	43	36.75
Not receiving income assistance	45	38.46
Age:
<50 years	22	18.42
50–64 years	40	34.21
65–74 years	34	29.82
>75 years	21	17.54
BMI:
Normal weight	28	23.93
Overweight	41	25.04
Obese	48	41.03
Born in the Netherlands:
Yes	58	50.43
No	59	49.57
Gender:
Man	15	12.82
Woman	102	87.18
Smoking status:
Non-smoker	14	11.97
Previous smoker	33	28.21
Smoker	55	47.01
Unknown	15	12.82
Location of program:
Amsterdam (Group 5)	2	1.71
Den Haag (Groups 15, 16, 17)	15	12.82
Enschede & Hengelo (Groups 8, 10, 13, 14, 18, 19)	22	18.80
Helmond (Groups 2, 7)	19	16.24
Rotterdam (Groups 3, 4, 6, 9)	38	32.48
Tilburg (Groups 1, 11)	21	17.95