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Table 3 Mean mitochondrial DNA copy number (MtDNAcn) in truck drivers and office workers

From: Inhalable particulate matter and mitochondrial DNA copy number in highly exposed individuals in Beijing, China: a repeated-measure study

 

Office workers(obs=120)

Truck drivers(obs=120)

p-value

 

Mean ± SD

Mean ± SD

 

Unadjusted

1.05 ± 0.22

1.04 ± 0.22

0.73

Adjusted a

1.09 ± 0.25

1.05 ± 0.24

0.40

  1. a Adjusted for age, sex, BMI, pack-years, smoking status (never, former, current), and work hours per week.