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Table 4 Association of the below-reference values ª of sperm concentration, sperm motility and semen volume with dichotomised of As levels (n = 96) b

From: Environmental exposure to arsenic may reduce human semen quality: associations derived from a Chinese cross-sectional study

 

Sperm Concentration (n = 13)

Sperm Motility (n = 24)

Semen Volume (n = 13)

No.

Adjusted OR (95% CI)

No.

Adjusted OR (95% CI)

No.

Adjusted OR (95% CI)

AsB

      

1

10

1.0

11

1.0

10

1.0

2

3

0.3 (0.07-1.5)

13

1.4 (0.5-4.0)

3

2.0 (0.5-9.0)

P-value

 

0.16

 

0.48

 

0.34

DMA

      

1

3

1.0

12

1.0

7

1.0

2

10

7.2 (1.4-37.1)

12

1.1 (0.4-2.8)

6

0.9 (0.3-3.1)

P-value

 

0.02

 

0.89

 

0.89

MMA

      

1

9

1.0

13

1.0

8

1.0

2

4

0.3 (0.07-1.3)

10

0.8 (0.3-2.2)

5

0.7 (0.2-2.5)

P-value

 

0.10

 

0.66

 

0.58

Asi

      

1

8

1.0

12

1.0

6

1.0

2

5

0.6 (0.1-2.2)

12

1.1 (0.4-2.8)

7

1.4 (0.4-4.8)

P-value

 

0.41

 

0.87

 

0.59

%DMA

      

1

3

1.0

14

1.0

6

1.0

2

10

7.0 (1.4-34.6)

10

0.6 (0.2-1.5)

7

1.1 (0.3-3.6)

P-value

 

0.02

 

0.28

 

0.92

%MMA

      

1

7

1.0

10

1.0

8

1.0

2

6

0.6 (0.2-2.6)

14

1.7 (0.7-4.6)

5

0.6 (0.2-2.3)

P-value

 

0.51

 

0.27

 

0.50

%Asi

      

1

9

1.0

10

1.0

5

1.0

2

4

0.3 (0.08-1.3)

14

1.7 (0.6-4.3)

8

1.8 (0.5-6.3)

P-value

 

0.12

 

0.29

 

0.35

PMI

      

1

7

1.0

11

1.0

8

1.0

2

7

0.5 (0.1-2.3)

13

1.2 (0.5-3.3)

5

0.7 (0.2-2.3)

p

 

0.40

 

0.68

 

0.51

SMI

      

1

5

1.0

14

1.0

5

1.0

2

8

3.0 (0.7-13.5)

10

0.6 (0.2-1.6)

8

3.0 (0.7-13.5)

P-value

 

0.15

 

0.31

 

0.15

  1. a Comparison group is at or above reference value for sperm concentration (≥20×106/mL), motility (≥50% motile), and semen volume (≥2 mL).
  2. b Adjusted for age (continuous), BMI (continuous), abstinence time (5 categories: 2, 3, 4, 5, and ≥6 days), smoking habit (non-smoker and smoker), drinking habit (non-drinker and drinker).
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Environmental Health

ISSN: 1476-069X