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Table 1 Summary of population characteristics

From: Heart rate variability and DNA methylation levels are altered after short-term metal fume exposure among occupational welders: a repeated-measures panel study

Characteristics (n = 66)

 

Mean (SD)

Age (years)

 

41 (12.2)

Range

 

21-71

BMI (kg/m2)a

 

28.4 (5.0)

Range

 

16.9-38.7

Race

N

%

White

55

83

Black

6

9

Hispanic

3

5

Asian

2

3

Male

66

100

Current smoker a

28

43.1

  1. a n = 65 due to missing questionnaire information.