From: Perfluoroalkyl substances and time to pregnancy in couples from Greenland, Poland and Ukraine
PFOA | PFOS | PFHxS | PFNA | ||
---|---|---|---|---|---|
Greenland | N | FR (95% CI) | FR (95% CI) | FR (95% CI) | FR (95% CI) |
Low | 150 | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
Medium | 149 | 0.95 (0.72, 1.26) | 0.80 (0.60, 1.05) | 1.05 (0.79, 1.38) | 0.76 (0.58, 1.00) |
High | 149 | 0.87 (0.65, 1.18) | 0.80 (0.60, 1.05) | 0.90 (0.68, 1.19) | 0.71 (0.54, 0.94) |
Continuous log-scale | 448 | 0.97 (0.73, 1.27) | 0.83 (0.64, 1.07) | 0.97 (0.78, 1.20) | 0.72 (0.58, 0.89) |
Poland | |||||
Low | 68 | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
Medium | 68 | 0.94 (0.62, 1.42) | 0.87 (0.57, 1.33) | 0.86 (0.57, 1.30) | 0.94 (0.62, 1.41) |
High | 67 | 1.08 (0.71, 1.64) | 0.90 (0.60, 1.37) | 0.94 (0.62, 1.42) | 1.31 (0.87, 1.98) |
Continuous log-scale | 203 | 1.21 (0.79, 1.84) | 0.94 (0.58, 1.50) | 0.90 (0.65, 1.24) | 1.35 (0.93, 1.95) |
Ukraine | |||||
Low | 96 | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
Medium | 96 | 1.12 (0.78, 1.59) | 0.89 (0.62, 1.27) | 0.85 (0.59, 1.23) | 0.79 (0.55, 1.12) |
High | 95 | 1.04 (0.72, 1.51) | 0.93 (0.64, 1.34) | 1.11 (0.78, 1.58) | 0.88 (0.62, 1.26) |
Continuous log-scale | 287 | 1.20 (0.87, 1.67) | 1.06 (0.78, 1.45) | 1.05 (0.84, 1.31) | 0.74 (0.53, 1.04) |
Pooled sample | |||||
Continuous log-scale | 938 | 1.04 (0.87, 1.25) | 0.90 (0.76, 1.07) | 0.97 (0.85, 1.11) | 0.80 (0.69, 0.94) |