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Table 2 Mean, standard deviation, median, and range for the covariates for the total group and subgroups of subjects

From: Auditory dysfunction associated with solvent exposure

Variables

All (n=144)

 

Group 1 (n=72)

 

Group 2 (n=72)

 

Mean

Median

Range

Mean

Median

Range

Mean

Median

Range

Age (years)

38.7 (7.8)

38.0

22-55

39.9 (8.5)

43.0

22-52

37.5 (7.1)

36.0

26-55

Gender

         

Female

20

  

6

  

14

  

Male

124

  

66

  

58

  

PNE

30

  

27

  

3

  

Shooting

         

WP

3

  

3

  

0

  

NP

39

  

33

  

6

  

Tenure

-

-

-

15.8 (8.1)

16.5

2-34

0

0

0

Smoking

21.26 (30.7)

14.0

0-140

26.8 (32.1)

14.0

0-140

18.7 (15.8)

12

0-80

Alcohol

17.4 (17.8)

13.5

0-60

15.6 (16.3)

13.5

0-60

31.2 (24.4)

27

0-60

  1. Note. Group 1: Solvent-exposed workers Group 2: Non-exposed workers.
  2. () Standard deviation.
  3. Alcohol. Number of drinks per month.
  4. Smoking. Number of cigarettes per week.
  5. Tenure. Years working at the factory exposed to solvents.
  6. PNE. Number of subjects who have been exposed to noise in previous jobs.
  7. Shooting WP. Number of subjects who have shot wearing hearing protection.
  8. Shooting NP. Number of subjects who have shot without wearing hearing protection.