A town level comprehensive intervention study to reduce salt intake in China: protocol for a cluster randomised controlled trial.

ABSTRACT:

Introduction

Salt intake in China (≈12 g/day) is more than twice the upper limit recommended by the WHO (5 g/day). To reduce salt intake, Action on Salt China (ASC) was launched in 2017. As one of four randomised controlled trials (RCTs) in the ASC programme, a comprehensive intervention study was designed to test whether all the components of the interventions adopted by other RCTs are acceptable, scalable and effective when provided to a region in the real world.

Methods and analysis

Using a cluster RCT design, 2688 participants were selected from 48 towns (clusters) in 12 counties in 6 provinces and assigned to the intervention group or the control group. Randomisation was performed after the baseline survey was completed. Information on salt-related knowledge, attitude a

SUBMITTER: Xu J 

PROVIDER: S-EPMC6955555 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature