Individual costs were calculated based on the number of participants in the intervention group, and estimated fractions of costs for dance teacher, rent, equipment and overhead[28, 29].
Health care savings
Health care savings for stakeholder
Savings for health care were estimated based on self-reported data from the last term before baseline and 20 months use after the start of the intervention. Number of visits was compared with the baseline value at all follow-ups. Costs for each visit were calculated based on estimated costs for salary, etc[30, 31]. and total number of visits to the school nurse.