A randomised controlled trial of an intervention to increase the implementation of a healthy canteen policy in Australian primary schools: study protocol

Implementation Science

John Wiggers¹  Melanie Asmar²  Sarah Preece⁴  Lisa M Janssen²  Rebecca Wyse¹  Serene Yoong⁴  Libby Campbell¹  Andrew C Bell²  Rachel Sutherland¹  Karen Gillham⁴  Megan Freund¹  Kathryn L Reilly⁴  Tessa Delaney⁴  Christopher M Williams³  Nicole Nathan¹  Luke Wolfenden¹ 

[1] Hunter Medical Research Institute, Newcastle, NSW, Australia;The University of Newcastle, Faculty of Health, School of Medicine and Public Health, Newcastle, NSW, Australia;The George Institute for Global Health, Sydney, NSW, Australia;Hunter New England Population Health, Newcastle, NSW, Australia

关键词: Implementation;    Children;    Nutrition;    Policy;    Schools;    Canteens;    Healthy eating;   

Others  :  1139532
DOI  :  10.1186/s13012-014-0147-3

 received in 2014-08-13, accepted in 2014-09-19,  发布年份 2014

【 摘 要 】

Background

The implementation of healthy school canteen policies has been recommended as a strategy to help prevent unhealthy eating and excessive weight gain. Internationally, research suggests that schools often fail to implement practices consistent with healthy school canteen policies. Without a population wide implementation, the potential benefits of these policies will not be realised. The aim of this trial is to assess the effectiveness of an implementation intervention in increasing school canteen practices consistent with a healthy canteen policy of the New South Wales (NSW), Australia, government known as the `Fresh Tastes @ School NSW Healthy School Canteen Strategy¿.

Methods/design

The parallel randomised trial will be conducted in 70 primary schools located in the Hunter region of New South Wales, Australia. Schools will be eligible to participate if they are not currently meeting key components of the healthy canteen policy. Schools will be randomly allocated after baseline data collection in a 1:1 ratio to either an intervention or control group using a computerised random number function in Microsoft Excel. Thirty-five schools will be selected to receive a multi-component intervention including implementation support from research staff, staff training, resources, recognition and incentives, consensus and leadership strategies, follow-up support and implementation feedback. The 35 schools allocated to the control group will not receive any intervention support as part of the research trial. The primary outcome measures will be i) the proportion of schools with a canteen menu that does not contain foods or beverages restricted from regular sale (`red¿ and `banned¿ items) and ii) the proportion of schools where healthy canteen items (`green¿ items) represent the majority (>50%) of products listed on the menu. Outcome data will be collected via a comprehensive menu audit, conducted by dietitians blind to group allocation. Intervention effectiveness will be assessed using logistic regression models adjusting for baseline values.

Discussion

The proposed trial will represent a novel contribution to the literature, being the first randomised trial internationally to examine the effectiveness of an intervention to facilitate implementation of a healthy canteen policy.

Trial registration

Australian New Zealand Clinical Trials Registry ACTRN12613000311752 webcite

【 授权许可】

   
2014 Wolfenden et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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