Changes in British household purchases of soft drinks associated with implementation of the Soft Drinks Industry Levy: a controlled interrupted time series analysis

Objective To determine whether there were changes in household purchases of drinks or confectionery one year after implementation of the UK Soft Drinks Industry Levy (SDIL). Design Controlled interrupted time series analysis. Participants Members of a commercial household purchasing panel (average weekly n=22183) resident in Great Britain, reporting from March 2014 ��� March 2019. Intervention a two tiered tax levied on manufacturers of soft drinks, announced in March 2016 and implemented in April 2018. Drinks with ���8g sugar/100ml (high tier) are taxed at ��0.24/litre, drinks with ���5
DP, OM, MW and JA are funded by the Centre for Diet and Activity Research (CEDAR), a UKCRC Public Health Research Centre of Excellence Funding from the British Heart Foundation, Cancer Research UK, the Economic and Social Research Council, the Medical Research Council, the National Institute for Health Research, and the Wellcome Trust, under the auspices of the UK Clinical Research Collaboration, is gratefully acknowledged. This project was funded by the NIHR Public Health Research programme (Grant Nos. 16/49/01 and 16/130/01). The work was also supported by the Medical Research Council (grant numbers MC_UU_12015/1 and MC_UU_12015/6).