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Table 1 Questionnaire

From: A survey of influence of work environment on temporomandibular disorders-related symptoms in Japan

 

Question item

Abbreviated form

Q1*

If you open your mouth wide, can you fit 3 fingers held vertically in your mouth?

Limited mouth opening

Q2*

Do you experience pain in the face, jaw, temple, or in front of the ear when you open and close your mouth?

Mouth-opening pain

Q3*

Can you open your mouth without any deviation?

Mouth-opening deviation

Q4*

Do you experience pain in the face, jaw, temple, or in the front of the ear when you eat chewy foods such as beef jerky, dried cuttlefish, or octopus?

Chewing-induced pain

Q5

How many hours per day do you use a personal computer at work? (h)

PC use

Q6

How many hours do you drive a car while working? (h)

Driving

Q7

How many hours per day do you perform precise work (e.g., working with parts by hand) while working? (h)

Precise work

Q8

How many hours does it take for you to commute to work? (h)

Commuting

Q9

How many hours per day do you spend at home before going to bed? (h)

Before sleep

Q10

How many hours do you sleep per day? (h)

Sleep

Q11

How many hours per day do you attend business meetings? (h)

Meetings

Q12

How many hours per day do you perform physical labor at work? (h)

Physical labor

  1. *The subjects were asked to answer question items 1–4 on a 5-point numeric rating scale where 1 = strongly agree, 2 = weakly agree, 3 = neither agree nor disagree, 4 = weakly disagree, and 5 = strongly disagree.