Table 1

Description of items and response options used in the analysis

ConceptItem wording (where applicable)Response options
AllUsed in analysis
AgeHow old are you?In yearsIn years
SexWhat sex were you assigned at birth, meaning on your original birth certificate?FemaleFemale
MaleMale
EducationWhat is the highest level of education you have completed?Qualifications not listed below, free-text equivalents, Don’t Know, Refuse to answer≤School leaving
NVQ Level 4–5, HNC, HND, RSA Higher Diploma, BTEC Higher Level, Degree, Higher Degree, free-text equivalents>School leaving
Income sufficiencyHow easy is it to make ends meet?Neither easy nor difficult, Difficult, Very difficult, Don’t know, Refuse to answerNot easy
Very easy, EasyEasy
ChildrenDo you have any children (including step-children or adopted children) under the age of 18?No, Don’t know, Refuse to answerNo
YesYes
SSB consumption[Calculated from Beverage Frequency Questionnaire: reported consumption over last 7 days]Any consumption of non-diet Fizzy drinks, Sweetened fruit juice drinks, Regular sports drinks, Regular energy drinks, or Spirits with mixers that have caloriesConsumers
No consumption of aboveNon-consumers
Social normsPeople important to me try not to drink sugary drinksNeither agree nor disagree, Disagree, Strongly disagree, Don’t know, Refuse to answerNot agree
Strongly agree, AgreeAgree
AttitudesSugary drinks taste goodStrongly agree, AgreeAgree
Neither agree nor disagree, Disagree, Strongly disagree, Don’t know, Refuse to answerNot agree
KnowledgeFrequently drinking sugary drinks increases the risk of obesityFalse, Don’t know, Refuse to answerNot true
TrueTrue
Expert trustI trust messages from health experts on sugary drinksNeither agree nor disagree, Disagree, Strongly disagree, Don’t know, Refuse to answerNot agree
Strongly agree, AgreeAgree
Industry trustI trust messages from the food and beverage industry on sugary drinks?Neither agree nor disagree, Disagree, Strongly disagree, Don’t know, Refuse to answerNot agree
Strongly agree, AgreeAgree
SupportIn 2018 a new sugary drink tax will be introduced in the UK. This aims to encourage manufacturers to reduce the sugar in drinks. The money will be spent on breakfast clubs, and sports in primary schools. Do you support or oppose this policy?Strongly support, SupportSupport
Oppose, Strongly oppose, Don’t know, Refuse to answerOppose
EffectivenessPreamble as above. How effective do you think these kinds of policies are?Somewhat effective, Mostly effective, Very effectiveEffective
Not at all effective, Don’t know, Refuse to answerNot effective