Table 4.
Geometric mean of glycaemia according to tertiles of lipid-adjusted polychlorinated biphenyls in 474 subjects without diabetes.
| Tertiles of lipid-adjusted PCB concentration (ng/g lipid) | Geometric mean of glycaemia | One-way ANOVA on log-transformed data P values | Multi-way ANOVA* on log-transformed data P values |
|---|---|---|---|
| Total | 86.7 | ||
| Total PCBs | |||
| ≤433.7 | 84.2 | 0.0009 | 0.17 |
| 433.7-996.7 | 88.8 | ||
| >996.7 | 88.0 | ||
| PCB 153 | |||
| ≤135.8 | 84.3 | 0.001 | 0.75 |
| 135.8-282.0 | 88.0 | ||
| >282.0 | 88.8 | ||
| Immunotoxic PCBs (PCB138+153+180) | |||
| ≤374.4 | 84.3 | 0.001 | 0.80 |
| 374.4-752.2 | 87.9 | ||
| >752.2 | 88.8 | ||
| Pseudo-oestrogen PCBs (PCB28+52+153) | |||
| ≤135.8 | 84.3 | 0.001 | 0.75 |
| 135.8-282.0 | 88.0 | ||
| >282.0 | 88.8 | ||
| High chlorinated anti-oestrogenic PCBs (PCB170+180+194) | |||
| >203.4 | 84.2 | 0.009 | 0.18 |
| 2.03.4-488.9 | 88.9 | ||
| >488.9 | 87.2 | ||
| Phenobarbital inducer PCBs (PCB101+153+180+194) | |||
| ≤309.2 | 84.5 | 0.004 | 0.43 |
| 309.2-669.9 | 88.2 | ||
| >669.9 | 88.3 | ||
| TEQ DL-PCB | |||
| ≤0.03 | 85.1 | 0.01 | 0.14 |
| 0.03-0.09 | 86.8 | ||
| >0.09 | 89.3 | ||
*Fitted model included age, gender, education and body mass index. PBC, polychlorinated biphenyls; TEQ, total toxic equivalency