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学科主题: 公共卫生
题名:
School based education programme to reduce salt intake in children and their families (School-EduSalt): cluster randomised controlled trial
作者: He, Feng J.1; Wu, Yangfeng2,3,4; Feng, Xiang-Xian5; Ma, Jun6; Ma, Yuan1,2,3; Wang, Haijun6; Zhang, Jing2; Yuan, Jianhui5; Lin, Ching-Ping2,7; Nowson, Caryl8; MacGregor, Graham A.1
刊名: BMJ-BRITISH MEDICAL JOURNAL
发表日期: 2015-03-18
DOI: 10.1136/bmj.h770
卷: 350
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
关键词[WOS]: BLOOD-PRESSURE ; CARDIOVASCULAR-DISEASE ; DIETARY SOURCES ; GLOBAL BURDEN ; SODIUM-INTAKE ; CHINA ; METAANALYSIS ; HYPERTENSION ; PREVENTION ; CHILDHOOD
英文摘要:

OBJECTIVE

To determine whether an education programme targeted at schoolchildren could lower salt intake in children and their families.

DESIGN

Cluster randomised controlled trial, with schools randomly assigned to either the intervention or control group.

SETTING

28 primary schools in urban Changzhi, northern China.

PARTICIPANTS

279 children in grade 5 of primary school, with mean age of 10.1; 553 adult family members (mean age 43.8).

INTERVENTION

Children in the intervention group were educated on the harmful effects of salt and how to reduce salt intake within the schools′ usual health education lessons. Children then delivered the salt reduction message to their families. The intervention lasted for one school term (about 3.5 months).

MAIN OUTCOME MEASURES

The primary outcome was the difference between the groups in the change in salt intake (as measured by 24 hour urinary sodium excretion) from baseline to the end of the trial. The secondary outcome was the difference between the two groups in the change in blood pressure.

RESULTS

At baseline, the mean salt intake in children was 7.3 (SE 0.3) g/day in the intervention group and 6.8 (SE 0.3) g/day in the control group. In adult family members the salt intakes were 12.6 (SE 0.4) and 11.3 (SE 0.4) g/day, respectively. During the study there was a reduction in salt intake in the intervention group, whereas in the control group salt intake increased. The mean effect on salt intake for intervention versus control group was -1.9 g/day (95% confidence interval -2.6 to -1.3 g/day; P<0.001) in children and -2.9 g/day (-3.7 to -2.2 g/day; P<0.001) in adults. The mean effect on systolic blood pressure was -0.8 mm Hg (-3.0 to 1.5 mm Hg; P=0.51) in children and -2.3 mm Hg (-4.5 to -0.04 mm Hg; P<0.05) in adults.

CONCLUSIONS

An education programme delivered to primary school children as part of the usual curriculum is effective in lowering salt intake in children and their families. This offers a novel and important approach to reducing salt intake in a population in which most of the salt in the diet is added by consumers.

语种: 英语
所属项目编号: MR/J015903/1
项目资助者: UK Medical Research Council
WOS记录号: WOS:000351571200002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/61577
Appears in Collections:北京大学公共卫生学院_期刊论文

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作者单位: 1.Peking Univ, Clin Res Inst, Beijing 100871, Peoples R China
2.Changzhi Med Coll, Changzhi, Shanxi, Peoples R China
3.Univ Michigan, Sch Med, Ann Arbor, MI USA
4.Queen Mary Univ London, Wolfson Inst Prevent Med, Barts & London Sch Med & Dent, London, England
5.Peking Univ, George Inst Global Hlth, Hlth Sci Ctr, Beijing 100871, Peoples R China
6.Peking Univ, Dept Epidemiol & Biostat, Sch Publ Hlth, Beijing 100871, Peoples R China
7.Peking Univ, Inst Child & Adolescent Hlth, Hlth Sci Ctr, Beijing 100871, Peoples R China
8.Deakin Univ, Sch Exercise & Nutr Sci, Geelong, Vic 3217, Australia

Recommended Citation:
He, Feng J.,Wu, Yangfeng,Feng, Xiang-Xian,et al. School based education programme to reduce salt intake in children and their families (School-EduSalt): cluster randomised controlled trial[J]. BMJ-BRITISH MEDICAL JOURNAL,2015,350.
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