Table 2 Survey questions and response options

  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?

1^a – 7+ units

  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 easy^a

  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. Always^a

  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 easy^a

  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, definitely^a

  Item 7: To what extent are you actively trying to avoid drinking more alcohol than is good for you?

1. Not at all – 5. Definitely^a

  Item 9: To what extent do you intend to keep your drinking within safe limits?

1. Not at all – 5. Definitely^a

  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. Definitely^a

  Item 8: To what extent do you want to keep your drinking within safe limits?

1. Not at all – 5. Definitely^a

  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 concerned^a