Table 2.

Data collected as part of the trend study.

Data	Source2	Sample 2020	Sample 2021	Sample 2022	Sample 2023
Migration history (34)		x	x	x	x
Nationality1	Questionnaire for parents/administrative data	x	x	x	x
Country of birth1	Questionnaire for parents	x	x	x	x
Primary language1	Questionnaire for parents	x	x	x	x
Duration of stay1	Questionnaire for parents	x	x	x	x
Residence status1	Questionnaire for parents	x	x	x	x
Socioeconomic status (31)	Questionnaire for parents	x	x	x	x
Social support (32)	Questionnaire for parents	x	x	x	x
Health-related quality of life (KIDSCREEN-27) (30)		x	x	x	x
Physical wellbeing	Questionnaire for parents/child	x	x	x	x
Psychological wellbeing	Questionnaire for parents/child	x	x	x	x
Parent relations and autonomy	Questionnaire for parents/child	x	x	x	x
Social support and peers	Questionnaire for parents/child	x	x	x	x
School	Questionnaire for parents/child	x	x	x	x
Satisfaction with rehabilitation	Questionnaire for parents/child	x	x	x	x
Start of rehabilitation	Administrative data	x	x	x	x
End of rehabilitation	Administrative data	x	x	x	x
Approval diagnosis (ICD-10)	Administrative data	x	x	x	x
Discharge diagnosis (ICD-10)	Administrative data	x	x	x	x

¹Data is collected for the child and both birth parents. ²The parent questionnaire is sent to the parent who requested the child’s medical rehabilitation, and includes a section for information about the other parent; Administrative data is extracted from the insurance account of the parent who applied for medical rehabilitation.