Table 3.

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

	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

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.

*p < 0.05 indicates statistically significant adjustments.