Data collection
DISORDER, ABUSE
Data was collected at the study webpage, and submitted to the REDCap database hosted by OPEN [The baseline measures included:
Demographic data on gender, age, education, marital status, children, country of birth and occupational status.Alcohol use, assessed with Alcohol Use Disorder Identification Test – consumption (AUDIT C), including three items on level of alcohol use which were scored 0–4, giving a total score ranging from 0 to 12 [Previous experience of seeking treatment for AUD.Knowing someone with experience of AUD.Public stigma assessed with Difference, Disdain & Blame Scales for Public Stigma [Motivation to change one’s own alcohol use, motivation to talk to someone else about their alcohol use, motivation to seek information about AUD treatment and motivation to seek AUD treatment were assessed with a visual analogue scale (VAS), ranging from one (Not at all) to nine (To a very high degree) [Participants who endorsed ongoing or previous concern for their alcohol use were presented a questionnaire measuring self-stigma, the Self-Devaluation Subscale, of the Substance Abuse Stigma Scale [Immediately after exposure, awareness of seeing the video previously was assessed and then measures of public stigma, self-stigma and motivation were repeated.Which video, participants were randomized to, was blinded to the researchers and only a number (video 1, 2 or 3) was presented.There was no a priory power calculation.