Table 3 Linear regression of SJL in relation to parameters of oxidative damage and antioxidant defense, adjusted for age, working hours and shift.

From: Night workers have lower levels of antioxidant defenses and higher levels of oxidative stress damage when compared to day workers

 

Alla

Nightb

Dayb

β

p-value

R2

β

p-value

R2

β

p-value

R2

TBARS

−0.01

0.360

0.13

0.01

0.919

0.01

−0.03

0.013*

0.16

Carbonyls

0.01

0.877

0.01

−0.01

0.983

0.07

−0.05

0.380

0.03

H202

0.62

0.394

0.15

0.28

0.775

0.07

2.56

0.185

0.07

Nitrite

0.01

0.953

0.25

−0.01

0.958

0.08

0.02

0.898

0.20

FRAP

0.01

0.901

0.32

−0.01

0.863

0.08

0.02

0.578

0.20

CAT

−0.16

0.403

0.21

−0.18

0.331

0.06

0.84

0.269

0.04

SOD

−1.33

0.658

0.40

−0.77

0.638

0.06

−6.51

0.656

0.07

GPx

−0.34

0.186

0.10

−0.36

0.136

0.01

−1.02

0.337

0.03

  1. Abbreviations: SJL, Social Jetlag; TBARS, thiobarbituric acid reactive substances; H202, oxygen peroxide; FRAP, ferric reducing antioxidant power (total antioxidant capacity); CAT: catalase; SOD, superoxide dismutase; GPx, glutathione peroxidase. aAdjusted for age and shift. bAdjusted for age and working hours.
  2. *p < 0.05 indicates statistically significant adjustments.
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