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Table 2 Parameters affecting the indoor concentrations of air pollutants

From: Indoor concentrations of VOCs in beauty salons; association with cosmetic practices and health risk assessment

  Parameter Coefficient Std. coefficient Std. Error P-value R2
Benzene Constant 3.786 1.163 0.387
Dying 0.620 0.622 0.184 0.003
Toluene Constant 4.768 2.146 0.204
Dying 0.729 0.452 0.339 0.046
Ethylbenzene
Xylene Constant 13.027 2.356 0.222
Hair styling 0.772 0.471 0.341 0.036
Formaldehyde Constant −2.232 4.265 0.415
Nail 1.639 0.549 0.556 0.009
Hair styling 0.892 0.386 0.431 0.054
Acetaldehyde