An Application-based programme to reinforce and maintain lower salt intake (AppSalt) in schoolchildren and their families in China.

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ID: 17057
2019
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Abstract
Salt intake is very high in China, with ≈80% being added by the consumers. It is difficult to reduce salt in such settings. Our previous study (School-based Education programme to reduce Salt(School-EduSalt)) demonstrated that educating schoolchildren, who then instructed their families to reduce the amount of salt used at home, is effective in lowering salt intake in both children and adults. Our team also developed an app called 'KnowSalt', which could help individuals to estimate their salt intake and the major sources of salt in the diet. Building on School-EduSalt and KnowSalt, we propose to develop a new app (AppSalt) focusing on salt reduction through education, target setting, monitoring, evaluation, decision support and management to achieve a progressive lower salt intake for long term. To evaluate the effectiveness of the AppSalt programme, we will carry out a cluster randomised controlled trial.We will recruit 54 primary schools from urban and rural areas of three provinces in China. A total of 594 children aged 8-9 years and 1188 adult family members will be randomly selected for evaluation. After baseline assessment, schools will be randomly allocated to either the intervention or control group. Children in the intervention group will be taught, with support of AppSalt, about salt reduction and assigned homework to get the whole family involved in the activities to reduce salt consumption. The duration of the intervention is two school terms (ie, 1 year). The primary outcome is the difference between the intervention and control group in the change of salt intake as measured by 24-hour urinary sodium.The study has been approved by Queen Mary Research Ethics Committee and Peking University Health Science Centre IRB. Results will be disseminated through presentations, publications and social media.ChiCTR1800017553.
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Authors He, Feng J;Zhang, Puhong;Luo, Rong;Li, Yuan;Chen, Fengge;Zhao, Yuhong;Zhao, Wei;Li, Daoxi;Chen, Hang;Wu, Tianyong;Yao, Jianyun;Li, Jinbao;Zhou, Siyuan;Liu, Yu;Li, Xian;Wang, Changqiong;MacGregor, Graham A;
Journal BMJ open
Year 2019
DOI
10.1136/bmjopen-2018-027793
URL
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