Skip to main content
. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Reprod Toxicol. 2009 Jan 24;27(2):155–160. doi: 10.1016/j.reprotox.2008.12.012

Table 3.

Adjusteda regression coefficients (95% confidence intervals) for change in hormone levels associated with SG-adjusted pyrethroid metabolite groups. N=161.

Metabolite Percentiles Adjusted Regression Coefficients (95% CI)
FSHb LHb Inhibin Bc Testosteroned SHBGb FAIb

3PBA
 <50th 0 0 0 0 0 0
 50th–75th 0.05 (−0.17, 0.28) −0.05 (−0.25, 0.15) −3.46 (−32.6, 25.7) 6.31 (−34.9, 47.5) 0.02 (−0.13, 0.16) 0.02 (−0.12, 0.15)
 >75th 0.38 (0.15, 0.60) 0.20 (−0.004, 0.41) −18.2 (−47.8, 11.4) −27.4 (−68.3, 14.6) 0.08 (−0.07, 0.23) −0.13 (−0.27, 0.02)
 p for trend 0.002 0.10 0.25 0.27 0.30 0.12

cis-DCCA
 <50th 0 0 0 0 0 0
 50th–75th 0.21 (−0.03, 0.44) 0.32 (0.12, 0.53) −15.2 (−45.2, 14.8) −6.67 (−49.7, 36.4) 0.05 (−0.10, 0.20) −0.04 (−0.19, 0.10)
 >75th 0.26 (0.02, 0.49) 0.22 (0.02, 0.43) −32.0 (−61.8, −2.16) −8.86 (−51.5, 33.8) −0.03 (−0.18, 0.12) 0.002 (−0.14, 0.15)
 p for trend 0.02 0.01 0.03 0.66 0.77 0.94

trans-DCCA
 <50th 0 0 0 0 0 0
 50th–75th 0.08 (−0.14, 0.31) 0.05 (−0.15, 0.26) −7.37 (−36.6, 21.8) −7.84 (−49.1, 33.5) −0.02 (−0.17, 0.13) 0.01 (−0.13, 0.14)
 >75th 0.28 (0.05, 0.51) 0.20 (−0.004, 0.41) −34.8 (−64.0, −5.64) −37.7 (−79.7, 4.29) 0.08 (−0.07, 0.23) −0.15 (−0.29, −0.01)
 p for trend 0.02 0.06 0.02 0.09* 0.34 0.05

cis- + trans-DCCA
 <50th 0 0 0 0 0 0
 50th–75th 0.09 (−0.14, 0.31) 0.05 (−0.15, 0.26) 0.43 (−28.6, 29.4) −9.37 (−51.1, 32.3) 0.04 (−0.10, 0.19) −0.03 (−0.17, 0.11)
 >75th 0.29 (0.06, 0.52) 0.24 (0.03, 0.44) −31.1 (−60.4, −1.70) −26.9 (−68.9, 15.2) 0.04 (−0.11, 0.19) −0.10 (−0.24, 0.04)
 p for trend 0.03 0.03 0.06 0.21 0.57 0.16

Sum Pyrethroids
 <50th 0 0 0 0 0 0
 50th–75th 0.04 (−0.19, 0.26) 0.06 (−0.15 (0.26) −8.70 (−37.8, 20.4) −35.5 (−76.5, 5.56) 0.05 (−0.09, 0.20) −0.09 (−0.22, 0.05)
 >75th 0.32 (0.10, 0.55) 0.19 (−0.02, 0.39) −23.7 (−53.3, 5.86) −41.4 (−83.1, 0.36) 0.09 (−0.06, 0.24) −0.16 (−0.30, −0.02)
 p for trend 0.009 0.08 0.12 0.03 0.21 0.02
a

Adjusted for age, BMI, smoking and time of day at blood draw. N=161.

b

Variable transformed by the natural logarithm.

c

additionally adjusted for season.

d

additionally adjusted for ln-transformed SHBG.

*

statistically significant trend in unadjusted (crude) model (p-value for trend < 0.05).