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Table 6 Multiple regression analysis (regression coefficient and 95% CI) of age, BMI, smoking, alcohol drinking, CB exposure and serum cytokines a

From: Reduced pulmonary function and increased pro-inflammatory cytokines in nanoscale carbon black-exposed workers

Parameters

IL-1β

IL-6

IL-8

MIP-1β

TNF-α

MCP-1

Age

−0.015 (−0.039 - 0.008)

−0.027 (−0.055 - 0.001)

0.001 (−0.017 - 0.018)

−0.036 (−0.055 - -0.018)**

−0.041 (−0.071 - -0.012)**

0.017 (0.001 - 0.033)*

BMI

−0.008 (−0.044 - 0.028)

0.012 (−0.033 - 0.056)

0.032 (0.004 - 0.060)*

0.015 (−0.014 - 0.044)

0.016 (−0.030 - 0.062)

−0.031 (−0.058 - -0.003)*

Smoking

−0.050 (−0.336 - 0.236)

−0.003 (−0.342 - 0.336)

0.161 (−0.050 - 0.373)

−0.075 (−0.297 - 0.147)

0.093 (−0.263 - 0.449)

0.042 (−0.150 - 0.234)

Drinking

−0.048 (−0.432 - 0.336)

−0.030 (−0.483 - 0.423)

0.102 (−0.181 - 0.384)

−0.062 (−0.366 - 0.243)

−0.109 (−0.588 - 0.369)

0.100 (−0.166 - 0.366)

CB exposure

0.680 (0.412 - 0.949)**

1.924 (1.604 - 2.245)**

0.659 (0.459 - 0.860)**

1.301 (1.091 - 1.512)**

1.772 (1.436 - 2.109)**

−0.015 (−0.095 - 0.065)

  1. aLn-transformed. *P < 0.05, and **P < 0.01.