Effectiveness of an online food shopping intervention to reduce salt purchases among individuals with hypertension - findings of the SaltSwitch Online Grocery Shopping (OGS) randomised trial.

ABSTRACT:

Background

Online grocery shopping is a growing source of food purchases in many countries. We investigated the effect of nudging consumers towards purchases of lower sodium products using a web browser extension.

Methods

This trial was conducted among individuals with hypertension who shopped for their groceries online in Australia. From July 2021 to June 2023, participants were randomised to use the SaltSwitch Online Grocery Shopping web browser extension or continue their usual grocery shopping for 12 weeks. The SaltSwitch extension modified a retailer's online shopping interface to suggest similar but lower sodium alternative products to those initially selected. The primary outcome was the difference in mean sodium density (mg sodium per 1000 kcal of energy) of packaged

SUBMITTER: Wu JH 

PROVIDER: S-EPMC11687014 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature