Skip to main content
. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Occup Environ Med. 2014 Sep 4;71(12):842–847. doi: 10.1136/oemed-2014-102315

Table 3.

Correlation of AChE and BChE proportion change measurements

Subset of cohort N Correlation coefficients* 95% CI
Entire cohort 215 −0.14 −0.27, −0.01
≥10% BChE depression 70 −0.11 −0.33, 0.13
≥10% AChE depression 34 −0.24 −0.54, 0.10
≥15% BChE depression 39 −0.28 −0.55, 0.04
≥15% AChE depression 17 −0.19 −0.61, 0.32
Handled only chlorpyrifos 92 −0.15 −0.34, 0.06
Handled OP within past 7 days 132 −0.10 −0.27, 0.07
Handled only chlorpyrifos within past 7 days 59 −0.16 −0.40, 0.10
Top tertile of exposure score 56 −0.20 −0.44, 0.07
*

Presented Pearson correlation coefficients have been z-transformed, but are identical to the untransformed Pearson correlation coefficients to the tenths decimal place.