Table 1.
Distribution of TDCPP and TPP in house dust, and participant age, BMI, hormone levels, and semen quality parameters.
| Selected percentiles |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | n | Mean | Minimum | 10th | 25th | 50th | 75th | 90th | Maximum |
| OP | |||||||||
| TDCPP (ng/g dust) | 50 | 1,880a | < 107b | 202 | 937 | 1,752 | 2,959 | 20,415 | 56,090 |
| TPP (ng/g dust) | 50 | 7,400a | < 173b | 760 | 3,100 | 5,470 | 9,830 | 208,200 | 1,798,100 |
| Age (years) | 50 | 36.5 | 28 | 31 | 33 | 37 | 40 | 42 | 46 |
| BMI (kg/m2) | 50 | 26.8 | 20.3 | 21.6 | 23.0 | 25.9 | 29.7 | 33.0 | 42.4 |
| Hormone | |||||||||
| Free T4 (ng/dL) | 38 | 1.07 | 0.88 | 0.97 | 1.02 | 1.07 | 1.13 | 1.19 | 1.23 |
| Total T3 (ng/mL) | 38 | 0.92 | 0.74 | 0.76 | 0.80 | 0.93 | 1.02 | 1.10 | 1.23 |
| TSH (μIU/mL) | 38 | 1.43a | 0.45 | 0.64 | 1.04 | 1.34 | 1.91 | 3.07 | 4.95 |
| FSH (IU/L) | 38 | 9.1a | 3.1 | 4.3 | 6.5 | 8.8 | 13.1 | 18.0 | 29.5 |
| LH (IU/L) | 38 | 9.2a | 3.7 | 5.2 | 6.6 | 9.7 | 11.7 | 16.1 | 20.4 |
| Inhibin B (pg/mL) | 38 | 209 | 67.6 | 115 | 142 | 177 | 241 | 308 | 702 |
| Testosterone (ng/dL) | 38 | 391 | 148 | 235 | 325 | 402 | 470 | 515 | 633 |
| SHBG (nmol/mL) | 38 | 24.4a | 7.4 | 9.7 | 18.9 | 26.0 | 35.9 | 44.0 | 60.5 |
| FAI | 38 | 53.0a | 19.5 | 32.6 | 42.1 | 49.9 | 69.4 | 92.9 | 143 |
| Estradiol (pg/mL) | 38 | 20.5 | < 20.0b | < 20.0b | < 20.0b | 21.5 | 28.0 | 38.0 | 48.0 |
| Prolactin (ng/mL) | 38 | 11.8a | 5.1 | 5.7 | 9.2 | 11.0 | 15.2 | 25.9 | 33.6 |
| Sperm concentration (106/mL) | 50 | 70.5a | 4.3 | 21.2 | 37.6 | 78.8 | 148 | 219 | 301 |
| Sperm motility (% motile) | 50 | 49.7 | 12 | 22 | 38 | 51 | 64 | 76 | 81 |
| Sperm morphology (% normal) | 50 | 6.9 | 0 | 2 | 4 | 7 | 10 | 14 | 17 |
a
Geometric mean.
b
LOD for TDCPP = 107 ng/g, for TPP = 173 ng/g, and for estradiol = 20 pg/mL.