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Table 5 Multiplicative change in organophosphate concentration (eβ) (specific-gravity corrected) with respect to potential exposure predictors

From: A case-control study of exposure to organophosphate flame retardants and risk of thyroid cancer in women

Potential Predictorsa BCIPP DPHP BDCIPP IPIPP BCIPHIPPP Sum
BMI (ref: Normal)
 Overweight 0.98 (0.62, 1.5) 1.4 (1.0, 1.9) 1.2 (0.87, 1.6)
 Obese 1.6 (1.0, 2.6) 1.7 (1.3, 2.4) 1.7 (1.2, 2.3)
Year (Ref: 2010)
 2011 0.32 (0.16, 0.64) 0.68 (0.49, 0.93)
 2012 0.27 (0.12, 0.61) 0.64 (0.43, 0.94)
 2013 0.57 (0.23, 1.5) 0.64 (0.42, 0.98)
Season (Ref: Winter)
 Spring 1.4 (0.80, 2.5) 1.5 (1.0, 1.9) 1.4 (0.99, 2.1)
 Summer 2.4 (1.3, 4.3) 1.7 (1.1, 2.5) 1.7 (1.1, 2.4)
 Fall 1.2 (0.69, 2.2) 1.6 (1.0, 2.3) 1.2 (0.83, 1.8)
Ever Alcohol (Ref: Never) 1.4 (1.0, 1.9)
Ever Smoker (Ref: never) 0.59 (0.40, 0.89)
  1. aThe following variables were not associated with any metabolite concentrations: education, below vs. above poverty level, or age at the level of p < 0.1