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Table 6 The association between parabens and parameters of ovarian reserve- categorical variable

From: Parameters of ovarian reserve in relation to urinary concentrations of parabens

  AFCAMHFSHE2
Categoriescoef95%CIpcoef95%CIpcoef95%CIpcoef95%CIp
MPCont.− 0.02− 0.06;0.010.14− 0.05− 0.10;0.0010.06− 0.01− 0.03;0.010.51− 0.01− 0.05;0.020.52
Q20.03− 0.13;0.180.720.15−0.09;0.400.220.05− 0.05;0.150.340.03− 0.15;0.200.76
Q3−0.11− 0.27;0.040.16− 0.11− 0.36;0.130.37− 0.08− 0.19;0.030.140.05− 0.12;0.230.55
Q4−0.05− 0.21;0.110.54−0.16− 0.41;0.090.20− 0.04− 0.14;0.070.50− 0.08− 0.25;0.100.39
P for trend0.520.210.500.40
EPCont.−0.004− 0.03;0.020.77− 0.03− 0.07;0.020.220.002− 0.02;0.020.81− 0.03− 0.06;0.050.09
Q2−0.01−0.17;0.150.95−0.15− 0.41;0.100.24− 0.09−0.20;0.020.120.04−0.14;0.220.66
Q30.03−0.13;0.180.760.02−0.23;0.260.910.01−0.09;0.120.79−0.01−0.24;0.110.45
Q4−0.02−0.18;0.140.83−0.18− 0.43;0.070.16− 0.05−0.15;0.060.39−0.14− 0.32;0.040.12
P for trend0.840.200.390.29
PPCont.−0.02−0.13;-0.010.04−0.03−0.07;0.020.220.030.02;0.120.028−0.03−0.06;-0.0010.04
Q2−0.06−0.22;0.040.14−0.09− 0.35;0.160.490.02−0.08;0.010.09−0.12− 0.29;0.050.18
Q3−0.03−0.20;-0.020.048−0.01− 0.3;0.250.960.050.03;0.180.026−0.11−0.20;-0.010.03
Q4−0.03−0.18;-0.030.05−0.08− 0.33;0.170.540.02−0.08;0.030.07−0.13− 0.31;0.040.13
P for trend0.040.360.030.04
iBuPCont.0.02−0.05;0.090.61−0.003−0.11;0.100.95−0.02− 0.07;0.020.31− 0.02−0.10;0.060.62
>LOD0.1−0.07;0.270.240.03−0.24;0.300.84−0.01−0.11;0.100.96−0.13− 0.31;0.040.14
BPCont.0.004−0.04;0.050.84−0.05−0.12;0.010.11−0.01− 0.04;0.020.490.005−0.04;0.050.83
Q2−0.04−0.19;0.120.64−0.02− 0.26;0.220.87− 0.03−0.13;0.070.58−0.13− 0.30;0.040.14
Q30.07−0.08;0.220.350.02−0.23;0.260.89−0.09−0.19;0.010.080.05−0.12;0.220.56
Q40.01−0.14;0.160.89−0.20−0.45;0.040.11−0.01− 0.11;0.100.90− 0.08−0.25;0.090.37
P for trend0.890.120.900.36
  1. Model adjusted for: age (years), BMI (kg/m2), smoking (Yes/No) and initial infertility diagnosis. Parabens exposure in the model was based on the first urine sample
  2. MP methyl-paraben, EP ethyl-paraben, PP propyl-paraben, BP butyl-paraben, iBuP izobuthyl-paraben
  3. Reference groups 1. In case >LOD reference is <LOD; 2. In case Q2, Q3, Q4 reference is Q1; Cont.-continuous variable
  4. Q1- ≤ 25 percentyl; Q2- (25–50] percentyl; Q3-(50–75] percentyl; Q4- > 75 percentyl