The Effect Of The First Uk Covid 19 Lockdown On Users Of The 'drink Less ' App : An Interrupted Timeseries Analysis Of Socio Demographic Characteristics , Engagement And Alcohol Reduction Ucl Discovery On day 318 of the year 2022 which happened to be a Monday in the month of November The effect of the first UK COVID-19 lockdown on users of the ‘Drink Less ‘ app : An interrupted #TimeSeries analysis of socio-demographic characteristics , engagement and alcohol reduction - @UCL Discovery