It’s well-known that many people depend on coffee to get their days started, but a survey by Dunkin’ Donuts and CareerBuilder determined that certain professions rely on it more than others. According to the results, the professions with the highest proportions of workers stating that they are less productive without coffee are:

1. Food preparation/service workers

2. Scientists

3. Sales representatives

4. Marketing/public relations professionals

5. Nurses/physician assistants

6. Editors/writers/media workers

7. Business executives

8. Teachers/instructors

9. Engineering technicians/support specialists

 10. IT managers/network administrators