Table 2.

Summary of main items of the Global Brain Health Survey.

1. How often do you think about your brain health? (Frequently, Occasionally, Rarely, Never).
2. In your opinion, to what extent do the following have an influence on brain health? (Very strong influence, Strong influence, Moderate influence, Weak influence, No influence).
• Physical health      • Diet      • Physical environment (e.g., air pollution, noise)      • Social environment (e.g., family, social network)      • Education      • Profession	• Family income      • Genetics and family medical history      • Substance use (e.g., alcohol, smoking, drugs)      • Sleeping habits      • Having goals that make life meaningful
3. In your opinion, at what stages in life is it important to look after one's brain? (Very important, Important, Moderately important, Not important).
• In the womb (before birth)      • Childhood (from birth to 12 years)      • Adolescence (13–18 years)	• Young adulthood (19–45)      • Middle age (45–65)      • Old age (over 65 years)
4. Which of the following diseases/disorders do you associate with the brain?
• Diabetes      • Alzheimer's disease and other forms of dementia      • Arthritis      • Bipolar disorder      • Cancer      • Schizophrenia      • Parkinson's disease	• Hypertension (high blood pressure)      • Addiction (e.g., drug, alcohol)      • Stroke      • Depression      • Migraine      • Anxiety
5. How often do you engage in these activities? (Frequently, Occasionally, Rarely, Never).
• Have a healthy diet      • Exercise      • Sleep enough      • Practice relaxing activities      • Drink alcohol      • Smoke      • Stimulate my intellect (e.g., crosswords, learn new things)	• Strike a balance between professional and family life      • Wear a helmet when cycling, skating or skiing      • Take nutritional supplements such as omega 3/vitamin D      • Socialize with people (e.g., friends)
6. Now, think about your brain. Which of the following activities do you do purposefully for your brain health? (Frequently, Occasionally, Rarely, Never).
• Have a healthy diet      • Exercise      • Sleep enough      • Practice relaxing activities      • Strike a balance between professional and family life	• Wear a helmet when cycling, skating, or skiing      • Take nutritional supplements such as omega 3/vitamin D      • Socialize with people (e.g., friends)
7. You can easily take tests to check your blood pressure or cholesterol level and learn whether you are at risk of developing a heart disease. If these tests show that you are at risk, you may want to reduce your risk, for instance, by changing diet. Imagine that similar tests could be done to establish your risk of developing a brain disease. Do you think a brain health test should be: (Select up to 3 most important criteria. You have to select at least one alternative).
• Affordable      • Quick to take      • Accurate	• Painless      • Subsidized by social security (via the GP)      • Offered online with direct access to the results
8. Imagine a simple brain health test to learn about risk of developing a brain disease. Would you wish to take such a test? (Select one answer).
• Yes, definitely      • Yes, probably	• No, probably not      • No, definitely not
IF YOU ANSWERED “YES” TO QUESTION 8
9a. Why would you take a brain health test? Select up to two most important reasons.
• To get information about my cognitive and mental health      • To determine my risk of developing a brain disease	• To respond if I am at risk, e.g., change my lifestyle, seek counseling, or start treatment      • To prepare myself for the future (e.g., inform my family about the risk)
9b. Would you take a test even if it provides information about a disease that cannot be prevented or treated? Select one answer.
• Yes, definitely      • Yes, probably	• No, probably not      • No, definitely not
IF YOU ANSWERED “NO” TO QUESTION 8
9c. Why would you NOT take a brain health test? Select up to two most important reasons.
• I do not want to worry about something that may not happen      • I do not want to know about a disease that could not be prevented or treated	• I would be frightened by the result      • There is nothing I can do for my brain health anyway
10. Imagine you undergo a brain health test and it shows that you have a risk of developing brain disease. What would be your most likely reaction? (Definitely yes, Fairly likely, Fairly unlikely, Definitely not).
• I would seek professional help (e.g., my doctor)      • I would seek advice from family and friends      • I would seek information online/at the library	• I would change my lifestyle if required      • I would plan for the future
11. Your doctor tells that you can reduce your risk of developing a brain disease by changing your lifestyle. How likely are you to do any of the following? Think about what you would realistically do. (Very likely, Somewhat likely, I already do that, Somewhat unlikely, Very unlikely).
• Eat more healthy      • Exercise more      • Improve sleeping habits      • Do more relaxing activities      • Stimulate my brain more (e.g., learn a new language)	• Avoid alcohol      • Avoid smoking      • Socialize more      • Do more cultural activities
12. What would motivate you to change lifestyle to improve brain health? Select up to 3 alternatives you consider most important. You have to select at least one option.
• If I noticed problems with my brain health (e.g., my memory worsened)      • If I had been diagnosed with a brain disorder      • If the lifestyle changes were fun and enjoyable      • If the lifestyle changes were affordable      • If my relatives or friends developed a brain disorder	• If I received personal advice about what to do (e.g., from my doctor)      • If I had the support of friends/family      • If it were known that the lifestyle changes are beneficial      • Nothing would motivate me
13. What would prevent you from changing your lifestyle for your brain health? Select up to 3 alternatives you consider most important. You have to select at least one option.
• Lack of time      • Lack of motivation      • Lack of information about what to do      • If I had to give up activities I like      • If I had to take up activities that I do not enjoy      • If I had to make changes by myself/alone	• If making changes was expensive (e.g., gym membership)      • If I cannot be sure that the changes help      • I feel no need to do anything
14. Imagine you decide to change your lifestyle to maintain or improve your brain health. What kind of assistance would you need? Select all those that apply.
• Advice from my GP or specialists, e.g., nutritionist or personal trainer      • Support from family members and/or friends      • Group support, e.g., a walking group	• A mobile app to help with brain and physical training      • Regular monitoring to review the effect of lifestyle changes
15. The public health authorities should: (Yes, No, Do not know).
• Inform the public about brain health      • Raise taxes on products that are unhealthy for the brain      • Subsidize food and activities that are beneficial for the brain      • Offer brain health tests free of charge to citizens	• Introduce relaxation activities and sports in schools and work places      • Prevent insurance companies from accessing the results of brain health tests
16. To what extent do you trust the following sources of information on brain health? (To a great extent, Moderately, Not at all).
• My general practitioner      • A brain health specialist      • Online medical forums      • Official websites of public health authorities      • Newspapers, magazines	• Social media (Facebook, Twitter, Instagram)      • TV/radio (including pod-casts)      • Public researchers      • Scientific journals