Skip to main content
. 2011 Mar 4;119(7):958–963. doi: 10.1289/ehp.1103421

Table 1.

Characteristics of RYMS participants (n = 126).

Table 1. Characteristics of RYMS participants (n = 126).
Variable Mean ± SD, or percent Median (IQR)
Age (years) 19.7 ± 1.0 19.4 (18.8–20.3)
BMI (kg/m2) 24.6 ± 3.5 24.2 (22.5–25.8)
Abstinence time (hr) 92.7 ± 78.3 70.7 (61.4–98.6)
Time to start semen analysis (min) 14.0 ± 7.1 10.0 (10.0–15.0)
Testicular volume (mL) 28.7 ± 4.9 26.9 (26.3–33.8)
AGD
AGDAS (mm) 51.3 ± 14.5 51.7 (43.1–61.1)
AGDAP (mm) 128 ± 13.0 126 (118–135)
Semen parameters
Seminal volume (mL) 3.3 ± 1.6 3.1 (2.1–4.3)
Sperm concentration (106/mL) 72.6 ± 66.5 53.5 (19.8–99.3)
Percent motile sperm (A + B)a 57.4 ± 15.5 60.3 (49.3–69.0)
Percent normal morphology (strict)b 8.4 ± 4.6 8.5 (5.0–12.4)
Total sperm count (106) 241 ± 269 157 (66.6–321)
Total motile count (106)a 143 ± 155 98.7 (30.5–197)
Ethnicity (%)
Caucasian 81.0
African-American 5.6
Other 13.4
Current smokers (%) 27.0
Varicocele present (%) 11.9
Abbreviations: IQR, interquartile range. aOne man with long time to analysis was excluded from motility analyses (n = 125). bTwo men with no morphology analysis were excluded (n = 124).