Skip to main content
. 2016 Feb 17;13(2):224. doi: 10.3390/ijerph13020224

Table 3.

Associations between semen parameters and urinary TCS level corrected by creatinine concentration (TCS_Cre) in each TCS_Cre tertile level.

Semen Parameter TCS_Cre a
1st Tertile (<0.66 ng·mg−1) 2nd Tertile (0.66–2.33 ng·mg−1) 3rd Tertile (≥2.33 ng·mg−1) Total N = 471
Adjusted-β b Coefficient (95% CI) p-Value Adjusted-β b Coefficient (95% CI) p-Value Adjusted-β b Coefficient (95% CI) p-Value Adjusted-β b Coefficient (95% CI) p-Value
Sperm volume (mL) −0.16 (−0.63, 0.32) 0.51 −0.28 (−1.07, 0.52) 0.50 −0.24 (−0.50, 0.03) 0.08 −0.20 (−0.43, 0.02) 0.07
Concentration a (106 mL−1) −0.21 (−0.41, −0.01) 0.04 0.15 (−0.19, 0.49) 0.40 0.04 (−0.09, 0.16) 0.58 −0.01 (−0.11, 0.08) 0.77
Total sperm count a (106) −0.25 (−0.48, −0.02) 0.04 0.03 (−0.32, 0.39) 0.85 −0.06 (−0.19, 0.08) 0.40 −0.09 (−0.20, 0.01) 0.09
Sperm motility
Percentage of forward moving (%) −0.99 (−4.74, 2.76) 0.60 0.66 (−6.42, 7.74) 0.86 −1.55 (−3.94, 0.84) 0.20 −1.19 (−3.11, 0.72) 0.22
Number of forward moving (106) a −0.35 (−0.68,−0.03) 0.04 −0.18 (−0.72, 0.35) 0.50 −0.12 (−0.28, 0.04) 0.16 −0.17 (−0.32,−0.02) 0.02
Sperm morphology
Percentage of normal (%) −1.64 (−3.05,−0.23) 0.02 2.76 (0.25, 5.28) 0.03 −0.13 (−0.96, 0.70) 0.76 −0.39 (−1.09, 0.32) 0.28
Number of normal (106) a −0.48 (−0.80,−0.16) <0.01 0.25 (−0.24, 0.74) 0.31 −0.06 (−0.23, 0.12) 0.54 −0.14 (−0.28, 0.01) 0.06
VAP (average path Velocity μm·s−1) −0.24 (−1.03, 0.56) 0.56 0.36 (−1.02, 1.75) 0.61 0.02 (−0.46, 0.51) 0.93 0.03 (−0.36, 0.42) 0.88

a Natural logarithm transformed; b Coefficient was adjusted for age, BMI, abstinence period, education, income, current smoking, drinking and exposure to other chemicals or heavy metals.