Table 2.

Sociodemographic information

Sociodemographic information	Quantitative study participants				Interview participants		All participants (n = 572)
	General population (n = 546)		Pediatric patients^ (n = 12)		Pediatric patients^ (n = 14)
Age in years
Mean [SD]	12.9 [2.8]		11.8 [3.2]		11.5 [2.6]		12.9 [2.8]
Range	8–18		8–18		8–17		8–18
Sex	count	%	count	%	count	%	count	%
Male	284	52	5	42	9	64	298	52
Female	261	48	7	58	5	36	273	48
Different / Prefer not to say	1	0	0	0	0	0	1	0
Country of birth
Netherlands	533	98	12	100	14	100	559	98
Other	13	2	0	0	0	0	13	2
Current educational level*
Primary	185	34	7	62	9	64	201	35
Secondary	301	55	5	35	4	29	310	54
Tertiary	53	10	0	0	0	0	53	9
Other	7	1	0	0	1	7	8	1

* Primary education: foundational stage of formal learning for basic skills, typically from around age five to twelve. Secondary education: advanced general education around ages 12–18. Tertiary education: higher education (universities, colleges) and vocational education

^ Pediatric patients were treated by different healthcare teams within the Emma Children’s Hospital: follow-up neonatology, follow-up intensive care, cleft care, endocrinology, kidney transplantation, rheumatology, connective tissue disorders, hematology, ulcerative colitis, sickle cell disease, and gastroenterology