Table 1 Intervention parameters and costing details
| Â | Intervention parameters | Intervention costing | Final NZ 2019 cost (after aCPI and bPPP calculation) |
|---|---|---|---|
Technology Augmenta-tion | Type: Increased use of hybrid virtual and face to face activities in PE class Facilitators: PE teachers Duration: 6-weeks Based on: ‘Activity and Motivation in PE’ intervention [64] School (n): 14 secondary schools Participants’ age (years): 13–15-year-olds Original intervention location: Low-socioeconomic areas in Western Sydney, Australia Modelled intervention participants: All adolescents attending NZ secondary school PE classes (using 2019 NZ Ministry of Education counts [23]). | Cost components: Online workshops, access to resources and mentor support Based on: Lonsdale et al. 2021 [65] Costs involved: Average cost per school was $8064.82 AUD in 2020 | Per NZ secondary student = $10.25 Per secondary school = $7588.54 |
Peer-led | Type: Peer mentors and leaders and teaching staff encouraging novel activity participation Facilitators: All teachers and selected older peers within each school Duration: 12-weeks Based on: ‘GoActive Intervention’ [39] Schools (n): 14 secondary schools Participants’ age (years): 13 and 14-year-olds Original intervention location: Socioeconomic diversity of Cambridgeshire and Essex counties (UK) Modelled intervention participants: Only NZ adolescents aged 13 and 14 | Cost components: Facilitators’ training time, materials (such as rewards and sports equipment), teacher training, and implementation. Based on: Corder et al. 2020 [39] Costs involved: Average cost per school was £2520 in 2019 | Per NZ secondary student = $7.18 Per secondary school = $5315.64 |
Physically Active Learning | Type: 3 x Physically Active learning lessons/week Facilitators: All teachers Duration: 6-weeks Based on: ‘EASY Minds’ intervention [27]. Schools (n): Eight Participants’ age (years): 10–12-year-olds Original intervention location: near the University of Newcastle in New South Wales, Australia Modelled intervention participants: All NZ adolescents | Cost components: PAL training for teachers, training equipment and school resources Based on: Gammon et al. 2019 [44] & Erwin et al. [66] Costs involved: Average cost per school was ~£910 (training costs) in 2019 & ~$180 USD (school resources) in 2011 | Per NZ secondary student: $2.98 Per secondary school: $2208.53 |
Natural Environm-ent | Type: ‘Nature zones’ including (1) the introduction of trees, mulch, and boulders; (2) artificial turf; (3) outdoor classrooms, including log seating and decomposed granite floors; (4) wooden climbing structures Facilitators: External contractors coordinating with adolescents, architects, and teachers Duration: 6-weeks Based on: Green Playgrounds intervention conducted by Raney et al. [28] Schools (n): One Participants’ age (years): 7–11-year-olds Original intervention location: Los Angeles, USA Modelled intervention participants: All NZ adolescents | Cost components: Design and implementation cost for greening of schoolyard Based on: Giezen & Pellerey. 2021 [52]. Costs involved: ~ €50,000 in 2021 | Per NZ secondary student: $119.40 Per secondary school: $88,755 |