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Table 1 Characteristics of the study population men (n = 75)

From: Environmental exposure to pyrethroids and sperm sex chromosome disomy: a cross-sectional study

Variable

Mean ± SD

Age

35.3 ± 5.1

BMI (kg/m2)

27.9 ± 4.8

Semen concentration (in millions/mL)

110.1 ± 104.8

Semen motility (%)

54.2 ± 22.2

Semen morphology (% normal)

8.5 ± 3.8

Race (n = 2 missing)

N (%)

White

66 (90.4)

Black

2 (2.7)

Other

5 (6.9)

Hispanic ethnicity

 

No

72 (96.0)

Yes

3 (4.0)

Semen concentration

 

<20 million/mL

8 (11.0)

Semen morphology

 

<4% normal

5 (7.0)

Semen motility

 

<50% motile

32 (42.7)

Abstinence time

 

< = 2 days

19 (25.3)

3-4 days

36 (48.0)

> = 5 days

20 (26.7)

Smoking (n = 2 missing)

 

No

56 (76.7)

Current smoker

3 (4.1)

Former smoker

14 (19.2)

  1. SD = Standard deviation.
  2. BMI-Body Mass Index.