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Table 2 Self-evaluation using the overall health questionnaire

From: Alterations in the intestinal microbiome and mental health status of workers in an underground tunnel environment

Symptom

Case

Percentage

Dizziness/Headache

 frequently

1

2.08%

 occasionally

26

54.17%

 never

21

43.75%

Inattention

 frequently

21

27.08%

 occasionally

54

72.92%

 never

0

0.00%

Sleeplessness

 frequently

6

12.50%

 occasionally

28

58.33%

 never

14

29.17%

Inappetence

 frequently

4

8.33%

 occasionally

26

54.17%

 never

18

37.50%

Irritability

 frequently

3

6.25%

 occasionally

22

45.83%

 never

23

47.92%