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Table 3 Outcome variables (median and 5–95% range) among 189 Swedish fishermen, depending on exposure to MeHg and CB-153.

From: Dietary exposure to methyl mercury and PCB and the associations with semen parameters among Swedish fishermen

 

MeHg/CB-153

 
 

Low/low (n = 56)

High/low (n = 34)

Low/High (n = 35)

High/high (n = 55)

RERI (95% CI)a

Exposure

     

MeHg (μg/L)

1.07 (0.33–2.10)

3.64 (2.46–7.03)

1.59 (0.35–2.19)

4.01 (2.35–11.10)

 

CB-153 (ng/g lipid)

115 (45–180)

126 (76–191)

241 (200–431)

317 (203–861)

 

Outcome

     

A+B motile (%)

65 (24–87)

59 (25–83)

59 (21–80)

57 (12–80)

0.23 (-1.21, 0.94)

Sperm concentration (10^6/ml)

46 (6–195)

48 (10–146)

55 (16–125)

49 (12–192)

-0.99 (-4.28, 0.67)

Total sperm count (× 10^6)

160 (14–591)

125 (26–342)

127 (15–500)

133 (29–473)

0.36 (-1.02, 1.11)

Semen volume (ml)

3.5 (0.9–5.8)

3.3 (0.8–6.2)

2.6 (0.9–7.3)

2.8 (1.1–6.8)

0.40 (-0.58. 0.94)

DFI (%)

13 (4–44)

15 (6–39)

16 (7–39)

20 (7–38)

0.32 (-2.47, 3.54)

HDS (%)

8 (4–24)

9 (4–22)

9 (3–29)

7 (4–26)

-0.74 (-4.02, 0.47)

Y-chromosome bearing sperms (%)

50.9 (48.2–54.6)

51.2 (49.3–54.1)

51.4 (49.9–53.6)

51.4 (48.8–53.9)

-1.54 (-8.99, 2.04)

  1. a Age adjusted RERI (relative excess risk due to interaction) with 95% confidence intervals estimated using the bootstrap percentile 1 method.
  2. Unless otherwise noted, no pairwise comparison reached statistical significance.