Table 1.

Characteristics of the two intervention programmes—Finnmark Activity School

Content of the intervention	Single-family intervention	Multiple-family intervention
Who is the target	Parents and child	Parents and child
Responsible for the intervention	Community and hospital	Community and hospital
Start	Outpatient clinic stay for 1 day	Inpatient clinic stay for 3 days
Who delivers the intervention	Project nurse, paediatrician and nutritionist at the hospital. Public health nurse in the municipality.	Multidisciplinary team at the hospital. Public health nurse, physiotherapist and coach in the municipality.
How	Every family individually	Families individually and in groups
Physical activity for children	Not arranged	2 h a week in groups
Camp for families	No camp	4 days 6–8 months from baseline
Solution focused counselling	Yes	Yes
Follow-up intervals	1–3, 5, 7, 10, 12, 18, 24, 36 months	Equal intervals as the single-family group
Hours of contact first 12 months	8 h	36 h
Organised physical activity first 12 months	0 h	38 h