1. What is your gender？ Male Female
2. Do you have three regular meals every day? Always regular Sometimes skip meals Often skip one or more meals
3. How often do you eat vegetables and fruits? Every day 3 to 5 times a week Seldom Never
4. How many times do you exercise every week? 4 times or more 2 to 3 times Once a week Hardly ever exercise
5. How many hours do you sleep every day? 8-10 hours 6-7 hours 5-6 hours Less than 5 hours
6. What time do you usually go to bed at night? Before 22:00 22:00-23:00 23:00-24:00 After 24:00
7. How long do you use electronic screens (mobile phones, computers) for entertainment every day? Within 1 hour 1-3 hours 3-5 hours More than 5 hours
8. Do you stay up late using electronic devices? Never Sometimes Often Every day
9. Do you take the initiative to drink plain water every day? Yes, every day Only when thirsty Rarely, prefer drinks
10. How do you evaluate your current lifestyle? Very healthy Quite healthy Average Unhealthy Very unhealthy
11. What do you think is the main reason that stops you from keeping a healthy lifestyle? (Open-ended question)