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Table 3 Multiple linear regression analyses for the associations between urine bisphenol A (BPA) concentration (ng/mL) and body mass index (BMI, Kg/m 2 ) among study participants

From: Association between bisphenol A exposure and body mass index in Chinese school children: a cross-sectional study

Group Crude analysisa Adjusted model 1b Adjusted model 2c
  ß d (95% CI) ß (95% CI) ß (95% CI)
All 0.019 (0.002, 0.035) 0.018 (0.004, 0.032) 0.017 (0.002, 0.032)
  P = 0.027 P = 0.011 P = 0.026
Age (years)
  8-11 0.010 (-0.010, 0.030) 0.020 (0.001, 0.038) 0.017 (-0.002, 0.037)
  P = 0.330 P = 0.041 P = 0.081
  12-15 0.013 (-0.012, 0.039) 0.020 (-0.003, 0.044) 0.019 (-0.005, 0.044)
  P = 0.306 P = 0.088 P = 0.118
Sex    
  Female 0.021 (-0.001, 0.043) 0.020 (0.002, 0.038) 0.015 (-0.004, 0.034)
  P = 0.065 P = 0.028 P = 0.115
  Male 0.017 (-0.008, 0.042) 0.016 (-0.007, 0.038) 0.018 (-0.005, 0.041)
  P = 0.188 P = 0.164 P = 0.123
  1. Abbreviation: CI (confidence interval).
  2. aIncluded a variable of urine BPA corrected for specific gravity.
  3. bNot corrected urine BPA concentrations by specific gravity and included the covariables of age and sex.
  4. cCorrected urine BPA concentrations by specific gravity and included the covariables of age and sex.
  5. dRegression coefficient.
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Environmental Health

ISSN: 1476-069X