Table 4 Analysis of temporal trends through linear regression.
All samples | ||||
|---|---|---|---|---|
Biomarker | β | 95 CI (%) | p | R2 |
3-PBA | 3.7 | 2.6, 4.7 | <0.01 | 0.05 |
DCCA | –0.1 | –1.0, –0.8 | 0.802 | 0.00 |
TCPy | 1.7 | 0.8, 2.6 | <0.01 | 0.01 |
CCC | –5.5 | –7.0, –4.1 | <0.01 | 0.05 |
MQ | 1.9 | –0.2, 4.1 | 0.06 | 0.00 |
OH-TBZ | –5.5 | –7.3, –3.6 | <0.01 | 0.03 |
OH-PYM | 11.9 | 9.3, 14.4 | <0.01 | 0.08 |
OH-TEB | 12.2 | 10.5, 14.5 | <0.01 | 0.18 |
ETU | –3.9 | –5.1, –2.7 | <0.01 | 0.04 |