Table 5.
Associations between the sum of frequencies of PCP use and urinary concentrations of phthalate metabolites.
| Variable | Phthalate metabolite concentration (µg/L) | Crude | Model 1* | Model 2† | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Estimates (β) | SE | p− value | Estimates (β) | SE | p− value | Estimates (β) | SE | p− value | ||
| Sum of frequencies of PCP use | MEHHP | 2.794 | 0.032 | < 0.001 | 1.889 | 0.152 | < 0.001 | 2.287 | 0.314 | < 0.001 |
| MEOHP | 2.462 | 0.034 | < 0.001 | 1.577 | 0.159 | < 0.001 | 1.963 | 0.333 | < 0.001 | |
| MECPP | 3.274 | 0.030 | < 0.001 | 2.567 | 0.139 | < 0.001 | 3.489 | 0.295 | < 0.001 | |
| ∑DEHP | 4.073 | 0.029 | < 0.001 | 3.232 | 0.134 | < 0.001 | 3.920 | 0.285 | < 0.001 | |
| MnBP | 3.230 | 0.042 | < 0.001 | 2.635 | 0.195 | < 0.001 | 2.712 | 0.409 | < 0.001 | |
| MBzP | 0.994 | 0.039 | < 0.001 | 0.129 | 0.183 | 0.480 | 1.071 | 0.388 | 0.006 | |
| MCOP | − 0.037 | 0.027 | 0.162 | 0.207 | 0.125 | 0.099 | 0.557 | 0.270 | 0.039 | |
| MCNP | − 0.892 | 0.024 | < 0.001 | − 0.735 | 0.114 | < 0.001 | − 0.461 | 0.242 | 0.057 | |
| MCPP | 0.040 | 0.023 | 0.076 | 0.079 | 0.107 | 0.462 | 0.320 | 0.224 | 0.153 | |
*Model 1 adjusted for age, sex, and BMI.
†Model 2 adjusted for Model 1 + smoking status, alcohol consumption status, history of pregnancy, household monthly income, and PCP use within the last 2 days.
SE: standard error, ∑DEHP: sum of MEHHP, MEOHP, and MECPP concentrations.
BMI body mass index, DEHP di-(2-ethylhexyl) phthalate, MBzP monobenzyl phthalate, MCNP monocarboxy-isononly phthalate, MCOP monocarboxyoctyl phthalate, MCPP mono-(3-carboxypropyl) phthalate, MECPP mono-(2-ethyl-5-carboxypentyl) phthalate, MEHHP mono-(2-ethyl-5-hydroxyhexyl) phthalate, MEOHP mono-(2-ethyl-5-oxohexyl) phthalate, MnBP mono-n-butyl phthalate, PCP personal care product.