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Economic evaluation of the ‘Click & Crunch’ online intervention to improve healthy food purchases from Australian primary school canteens: a cost and cost-effectiveness analysis
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DOI：10.1017/S1368980026102286.png)
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Abstract
En 中文
Objective:Behavioural interventions can be delivered via online school canteens to improve healthy purchasing for students. However; no evaluations of the cost or cost-effectiveness of online canteen interventions have been conducted. The objective was to conduct a cost and cost-effectiveness analysis of implementing an online school canteen intervention to improve healthy purchasing.Setting:The ‘Click & Crunch’ cluster randomised controlled trial was conducted in seventeen Australian primary schools.Participants:Eight control schools (848 students) received the standard online canteen. Nine intervention schools (1359 students) received a behavioural intervention delivered through the online canteen.Design:Incremental cost-effectiveness ratios (ICER) were calculated for the cost per student to achieve (1) a unit decrease in the mean energy (kJ) content and (2) a percentage increase in the mean proportion of healthier ‘Everyday’ items purchased in their online lunch orders (from a health service and societal perspective).Results:It costs AUD$1·20 per student; the intervention would have a 95 % and 99 % probability of being cost-effective for the energy (kJ) content and proportion of ‘Everyday’ items; respectively.Conclusions:‘Click & Crunch’ has the potential to be a cost-effective intervention to reduce the energy content and increase the proportion of ‘Everyday’ items from primary school online canteen lunch orders.
Keywords:
Cost-effectiveness
Costing
Healthy eating
Online ordering systems
Nudge
Choice architecture
Behaviour
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