Table 1 Distribution of basic semen variables, SCSA results, fraction of Y-chromosome bearing sperms and potential confounders among 189 Swedish fishermen.

Exposure variables

MeHg (μg/L)

2.9

2.4

2.3

0.5–6.9

CB-153 (ng/g lipid)

240

190

190

62–640

Outcome variables

A+B motile (%)

57

21

62

17–85

Sperm concentration (10⁶/ml)

58

44

48

10–166

Total sperm count (× 10⁶)

184

160

134

23–500

DFI* (%)

19

12

15

6–39

HDS** (%)

10

7

8

4–25

Y-chromosomes (%)

51.2

1.74

51.1

48.7–54.6

Potential confounders

Age (years)

47

9

47

32–60

Abstinence time (days)

3.7

2.6

3.0

1–9

BMI (kg/m²)

27

3

27

22–32

Current smokers (%)

23

Sexually transmitted diseases (%) ***

14

Disorders in reproductive organs (%) ****

6

Season of sampling (%)

   Spring

34

   Summer

31

   Autumn

35

   Winter

0