ECDs | Type | No. of studies | Effect size, pooled OR (95% CI) | Heterogeneity | Publication bias | ||
---|---|---|---|---|---|---|---|
P value | I2 value, % | Egger P value | Begg P value | ||||
PCBs | Cohort | 5 | 0.99 (0.91–1.09) | 0.394 | 5.0 | 0.539 | 0.933 |
Non-cohort | 3 | 1.60 (1.23–2.09) | 0.000 | 68.2 | 0.790 | 0.631 | |
PBDEs | Cohort | 2 | 1.12 (1.00–1.26) | 0.006 | 57.8 | 0.221 | 0.15 |
Non-cohort | 2 | 2.21 (1.83–2.68) | 0.993 | 0.0 | 0.639 | 0.721 | |
PAEs | Cohort | 5 | 1.08 (1.02–1.15) | 0.391 | 0.0 | 0.666 | 0.597 |
Non-cohort | 2 | 2.17 (1.45–3.26) | 0.353 | 0.0 | 0.609 | 0.368 | |
PFASs | Cohort | 8 | 1.06 (1.00–1.12) | 0.574 | 0.0 | 0.848 | 0.395 |
Non-cohort | 3 | 1.22 (1.04–1.44) | 0.010 | 59.1 | 0.263 | 0.621 |