Table 3.
The relationship between level of PCB 138, 153, 180, sum, and 118 in different quartiles and blood glucose status (divided into 2 groups considering HBA1c = 5.7% as cut-off), considering the first quartile as the reference group (unadjusted ORs)
| Variables | Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 |
|---|---|---|---|---|
| PCB138 N (HbA1c ≥ 5.7%) | 47 (19) | 31 (18) | 30 (21) | 32 (19) |
| OR (CI) | 1.0 (Ref) | 2.04 (0.81–5.12) | 3.44 (1.30–9.11) | 2.15 (0.86–5.38) |
| P value | – | 0.13 | 0.01* | 0.10 |
| PCB153 N (HbA1c ≥ 5.7%) | 34 (12) | 36 (22) | 35 (23) | 35 (20) |
| OR (CI) | 1.0 (Ref) | 2.88 (1.09–7.61) | 3.51 (1.30–9.46) | 2.44 (0.93–6.45) |
| P value | – | 0.03* | 0.01* | 0.07 |
| PCB180 N (HbA1c ≥ 5.7%) | 51 (23) | 30 (18) | 29 (14) | 30 (22) |
| OR (CI) | 1.0 (Ref) | 1.83 (0.73–4.56) | 1.14 (0.46–2.83) | 3.35 (1.26–8.91) |
| P value | – | 0.19 | 0.78 | 0.01* |
| PCB suma N (HbA1c ≥ 5.7%) | 36 (15) | 34 (20) | 35 (20) | 35 (22) |
| OR (CI) | 1.0 (Ref) | 2 (0.77–5.18) | 1.87 (0.73–4.79) | 2.37 (0.91–6.15) |
| P value | – | 0.15 | 0.19 | 0.07 |
| PCB118 N (HbA1c ≥ 5.7%) | 104 (57) | 12 (6) | 12 (7) | 12 (7) |
| OR (CI) | 1.0 (Ref) | 0.82 (0.25–2.73) | 1.15 (0.34–3.87) | 1.15 (0.34–3.87) |
| P value | – | 0.75 | 0.82 | 0.82 |