One major factor that causes stress is occupation. A variety of job levels will include a variety of stress levels. These are just a few of the stressors that can occur on the job. There are many factors or Stress Builders involved in the accumulation of occupational stress. Stress can stem from something as little as your breakfast burning to something as major as being the President of the United States.
Perfectionism is an attribute to the stress building process.
Putting constant pressure on yourself to achieve, be the best and always trying to make good impressions on your co-workers can add a lot of unneeded pressure to your life. No one expects you to be perferct. Control is also a factor in determining a person's stress level. If one is unsure of themself and of their abilities then they will always be worrying about the work they do. On the other hand a person who is confident in their work will just turn it in and not worry about it after that.