Table 4 Multifactor analysis of the effects of low-concentration BTX exposure on blood pressure and oxidative stress biomarkers among occupational workers [β (95% CI)]

From: Mediating effect of oxidative stress on blood pressure elevation in workers exposed to low concentrations of benzene, toluene, and xylene (BTX)

Variable

Control group

Exposure group

P

SBP

1 (contrast)

0.346 (− 1.328, 2.079)

0.685

DBP

1 (contrast)

1.363 (0.088, 2.639)

0.036

SOD

1 (contrast)

− 0.037 (− 0.060, -0.013)

0.002

MDA

1 (contrast)

0.066 (0.022, 0.110)

0.003

  1. The adjusting factors were sex (male/female), age (≤ 35 years/>35 years), work tenure (≤ 5 years/>5 years), BMI (underweight/normal/overweight/obese), smoking status (no/yes), alcohol use (no/yes), working model (regular shift/shift work), and occupational stress (no/yes). SBP systolic blood pressure, DBP diastolic blood pressure, BMI body mass index.
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