Table 5.
Spearman correlation coefficients (r) for time-weighted average (TWA) air (ng/m3) and hand wipe post (μg/sample) samples, and specific gravity-adjusted OPE urinary post-shift concentration (ng/mL).
| SG-Adjusted | DPhP | BDCPP | BCPP | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||||||
| Air TPhP | Hand TPhP | Air TDCPP | Hand TDCPP | Air TCPP | Hand TCPP | ||||||||||
|
| |||||||||||||||
| Industry | N | Coeff. | P-value§ | Coeff. | P-value§ | N | Coeff. | P-value§ | Coeff. | P-value§ | N | Coeff. | P-value§ | Coeff. | P-value§ |
| Chemical Mfg. | 5 | 0.700 | 0.188 | 0.200 | 0.747 | 10 | 0.479 | 0.162 | 0.794 | 0.006 | 10 | 0.576 | 0.082 | 0.697 | 0.025 |
| Electronic Scrap | 19 | 0.063 | 0.797 | 0.279 | 0.248 | 19 | −0.079 | 0.748 | 0.300 | 0.211 | 19 | 0.032 | 0.898 | 0.393 | 0.096 |
| Foam Mfg. | 0 | 11 | −0.418 | 0.201 | 0.219 | 0.517 | 11 | 0.164 | 0.631 | −0.100 | 0.770 | ||||
| Gymnastics | 9 | 0.400 | 0.286 | 0.917 | <.001 | 9 | −0.033 | 0.932 | 0.717 | 0.030 | 9 | 0.117 | 0.765 | −0.542 | 0.131 |
| Nail Salon | 12* | −0.308 | 0.331 | 0.245 | 0.467 | 0 | 0 | ||||||||
| Roofing | 0 | 10 | 0.176 | 0.627 | 0.248 | 0.489 | 10 | 0.127 | 0.726 | 0.879 | <.001 | ||||
| Spray Poly. | 21† | −0.362 | 0.107 | 0.464 | 0.294 | 29‡ | 0.220 | 0.251 | 0.250 | 0.369 | 29 | 0.227 | 0.237 | 0.170 | 0.378 |
| Overall | 66 | 0.179 | 0.151 | 0.410 | 0.003 | 88 | 0.360 | <.001 | 0.661 | <.001 | 88 | 0.892 | <.001 | 0.828 | <.001 |
N=12, except for hand wipe post TPhP where N=11.
N=21, except for hand wipe post TPhP where N = 7.
N=29, except for hand wipe post TDCPP where N=15.
Red p-values are significantly different from correlation coefficient equal to zero.