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Table 2 Survey questions and response options

From: Exposure to revised drinking guidelines and ‘COM-B’ determinants of behaviour change: descriptive analysis of a monthly cross-sectional survey in England

COM-B dimension Response option Total missing, ‘don’t know’ or ‘refused’
Capability
 Knowledge
  Item 1: What do you think is the most number of units you can personally drink in a day on a regular basis before it does significant harm to your health? 1a – 7+ units 1358 (8.1%)
 Perceived capability
  Item 2: How easy or difficult do you personally find it to drink three or fewer units of alcohol a day? 1. Extremely difficult – 7. Extremely easya 141 (0.8%)
 Skills
  Item 3: How often, if at all, do you keep track of how many units of alcohol you personally drink each week? 1. Never – 7. Alwaysa 91 (0.5%)
Opportunity
 Social opportunity
  Item 4: How easy or difficult do you think your lifestyle makes it for you to personally drink three or fewer units of alcohol a day? 1. Extremely difficult – 7. Extremely easya 184 (1.1%)
  Item 5: Do you know where to go if you wanted advice or information on how to cut down on your drinking of alcoholic drinks? 1. I have no idea – 5. Yes, definitelya 112 (0.7%)
Motivation
 Reflective motivation
  Item 7: To what extent are you actively trying to avoid drinking more alcohol than is good for you? 1. Not at all – 5. Definitelya 116 (0.7%)
  Item 9: To what extent do you intend to keep your drinking within safe limits? 1. Not at all – 5. Definitelya 110 (0.7%)
 Automatic motivation
  Item 6: To what extent do you want to avoid drinking more than is good for you rather than just thinking that you should? 1. Not at all – 5. Definitelya 234 (1.4%)
  Item 8: To what extent do you want to keep your drinking within safe limits? 1. Not at all – 5. Definitelya 108 (0.6%)
  Item 10: Nowadays how concerned, if at all, are you about drinking more units of alcohol than is good for you? 1. Not at all concerned – 5. Definitely concerneda 94 (0.6%)
  1. Key: aThe direction of the survey scale which was considered positive