| Questions |
| Q1. Mainly mouth breathing |
| Q2. Frequent tonsillar infections |
| Q3. Frequent sinus infections |
| Q4. Worrying about or self conscious about your mouth breath |
| Q5. Miserable or tense due to halitosis |
| Q6. Difficulty chewing or limiting certain food due to halitosis |
| Q7. Change of taste |
| Q8. Problems speaking (or mouth covering) due to halitosis |
| Q9. Appearance affected due to halitosis |
| Q10. Depressed due to mouth breath |
| Q11. Problems concentrating due to halitosis |
| Q12. Embarrassed due to halitosis |
| Q13. Spending time related to halitosis |
| Q14. Talking from afar due to halitosis |
| Q15. Avoid going out due to halitosis |
| Q16. Communication problems due to halitosis |
| Q17. Mentioned about halitosis |
| Q18. Suffer financial loss due to halitosis |
| Q19. Suffer social/personal loss due to halitosis |
| Q20. Reduced life satisfaction due to halitosis |
