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Table 2 Weighted geometric means of urinary omethoate, bisphenol A and 3-OHBaP by sex and location among freshmen aged 17–19 years in China

From: Urinary levels of dimethoate, bisphenol A and benzo[a]pyrene in first-year students of Hohai University from different geographical regions

 

Total

Males

Females

Location

Geometric mean

95%

confidence interval

Geometric mean

95%

confidence interval

Geometric mean

95%

confidence interval

from

to

from

to

from

to

Urinary omethoate

 Total

μg/L (μg/g)

9.47 (10.80)

9.28 (10.58)

9.67 (11.02)

10.64 (11.11)

10.34 (10.76)

10.95 (11.46)

8.55‡(10.53)

8.35 (10.26)

8.74 (10.80)

 East China†

μg/L (μg/g)

9.38 (10.82)

9.13 (10.52)

9.65 (11.13)

10.84 (11.29)

10.38 (10.78)

11.31 (11.83)

8.49 (10.48)

8.24 (10.12)

8.75 (10.85)

 Northeast China

μg/L (μg/g)

9.76 (11.17)

8.00 (9.49)

11.91 (13.15)

11.65 (11.61)

7.50 (7.91)

18.11 (17.03)

8.38 (10.84)

7.32 (8.36)

9.58 (14.04)

 North China

μg/L (μg/g)

9.77 (10.98)

9.34 (10.50)

10.22 (11.49)

10.59 (10.79)

9.83 (10.00)

11.40 (11.63)

9.02 (11.16)

8.57 (10.57)

9.50 (11.79)

 South China

μg/L (μg/g)

9.96 (11.15)

9.47 (10.67)

10.48 (11.66)

10.48 (11.04)

9.95 (10.48)

11.03 (11.64)

9.14 (11.31)

8.41 (10.43)

9.93 (12.27)

 Northwest China

μg/L (μg/g)

9.81 (10.81)

8.92 (9.77)

10.79 (11.96)

10.95 (11.54)

9.71 (10.09)

12.34 (13.21)

8.43 (9.87)

7.44 (8.40)

9.55 (11.59)

 Southwest China

μg/L (μg/g)

8.49*(9.65*)

7.82 (8.91)

9.23 (10.45)

9.71 (10.26)

8.45 (8.81)

11.17 (11.95)

7.47 (9.10)

7.01 (8.55)

7.96 (9.67)

Urinary bisphenol A

 Total

μg/L (μg/g)

3.54 (4.04)

3.48 (3.96)

3.61 (4.12)

3.52 (3.68)

3.43 (3.68)

3.62 (3.79)

3.56 (4.39)

3.49 (4.28)

3.65 (4.50)

 East China†

μg/L (μg/g)

3.55 (4.09)

3.47 (3.98)

3.63 (4.21)

3.56 (3.75)

3.43 (3.59)

3.70 (3.91)

3.54 (4.36)

3.43 (4.22)

3.64 (4.52)

 Northeast China

μg/L (μg/g)

3.68 (4.21)

3.17 (3.47)

4.26 (4.11)

3.68 (3.67)

2.66 (2.77)

5.09 (4.86)

3.65 (4.70)

3.01 (3.38)

4.43 (6.53)

 North China

μg/L (μg/g)

3.65 (4.11)

3.51 (3.90)

3.80 (4.32)

3.54 (3.57)

3.32 (3.33)

3.78 (3.84)

3.75 (4.64)

3.57 (4.40)

3.95 (4.90)

 South China

μg/L (μg/g)

3.65 (4.08)

3.47 (3.87)

3.83 (4.31)

3.50 (3.66)

3.29 (3.44)

3.74 (3.88)

3.86 (4.78)

3.59 (4.45)

4.16 (5.13)

 Northwest China

μg/L (μg/g)

3.50 (3.85)

3.23 (3.51)

3.78 (4.23)

3.58 (3.77)

3.21 (3.33)

3.98 (4.26)

3.39 (3.97)

2.99 (3.36)

3.85 (4.69)

 Southwest China

μg/L (μg/g)

3.19*(3.62*)

2.98 (3.36)

3.40 (3.89)

3.22 (3.40)

2.85 (2.96)

3.63 (3.90)

3.16 (3.84)

2.94 (3.61)

3.39 (4.08)

Urinary 3-OHBaP

 Total

μg/L (μg/g)

0.34 (0.39)

0.33 (0.38)

0.35 (0.40)

0.38 (0.40)

0.37 (0.39)

0.39 (0.41)

0.31 (0.38)

0.30 (0.37)

0.32 (0.39)

 East China†

μg/L (μg/g)

0.34 (0.39)

0.33 (0.38)

0.35 (0.40)

0.38 (0.41)

0.37 (0.40)

0.39 (0.42)

0.31 (0.38)

0.30 (0.37)

0.32 (0.39)

 Northeast China

μg/L (μg/g)

0.35 (0.40)

0.30 (0.34)

0.41 (0.47)

0.39 (0.39)

0.30 (0.31)

0.52 (0.50)

0.32 (0.41)

0.27 (0.30)

0.39 (0.57)

 North China

μg/L (μg/g)

0.35 (0.40)

0.34 (0.38)

0.37 (0.41)

0.38 (0.39)

0.36 (0.36)

0.41 (0.42)

0.33 (0.40)

0.31 (0.38)

0.34 (0.43)

 South China

μg/L (μg/g)

0.36 (0.40)

0.34 (0.38)

0.38 (0.42)

0.38 (0.40)

0.35 (0.37)

0.41 (0.42)

0.33 (0.41)

0.31 (0.39)

0.36 (0.44)

 Northwest China

μg/L (μg/g)

0.34 (0.38)

0.31 (0.34)

0.38 (0.42)

0.39 (0.41)

0.35 (0.36)

0.43 (0.46)

0.29 (0.34)

0.25 (0.29)

0.33 (0.40)

 Southwest China

μg/L (μg/g)

0.31*(0.35*)

0.29 (0.33)

0.33 (0.37)

0.35 (0.37)

0.31 (0.32)

0.39 (0.42)

0.27 (0.33)

0.25 (0.31)

0.29 (0.35)

  1. Note. † reference category
  2. * significantly different from the estimate for the reference category (P < 0.05)
  3. The numbers in parentheses are creatinine standardized concentrations