Table 4.
Associations between urinary chemicals and unrested during the day in adults
| No unrested (n = 2639, 47.5%) | Unrested during the day (n = 2914, 52.5%) | OR (95% CI) | P value | |
|---|---|---|---|---|
| Phenol (n = 1486, ng/mL) | ||||
| 4-Tert-octylphenol | 0.2 ± 0.3 | 0.2 ± 0.1 | 1.93 (1.02–3.67) | 0.044 |
| Polyfluoroalkyl compounds (n = 1592, μg/mL) | ||||
| Perfluorooctanoic acid | 4.6 ± 3.3 | 4.5 ± 3.6 | 1.01 (0.84–1.22) | 0.902 |
| Perfluorooctane sulfonic acid | 22.4 ± 19.5 | 20.7 ± 16.9 | 1.09 (0.93–1.28) | 0.278 |
| Perfluorohexane sulfonic acid | 2.5 ± 2.9 | 2.5 ± 3.2 | 1.03 (0.94–1.14) | 0.467 |
| 2-(N-ethyl-PFOSA) acetate | 0.2 ± 0.1 | 0.2 ± 0.3 | 1.29 (0.82–2.00) | 0.248 |
| 2-(N-methyl-PFOSA) acetate | 0.6 ± 0.7 | 0.6 ± 0.7 | 1.24 (1.02–1.51) | 0.035 |
| Perfluorodecanoic acid | 0.5 ± 0.9 | 0.5 ± 0.6 | 1.10 (0.92–1.30) | 0.265 |
| Perfluorobutane sulfonic acid | 0.1 ± 0.1 | 0.1 ± 0.2 | 1.42 (1.02–1.98) | 0.041 |
| Perfluoroheptanoic acid | 0.3 ± 0.3 | 0.4 ± 0.5 | 1.00 (0.77–1.31) | 0.974 |
| Perfluorononanoic acid | 1.4 ± 1.3 | 1.4 ± 1.2 | 1.14 (0.95–1.38) | 0.148 |
| Perfluorooctane sulfonamide | 0.1 ± 0.1 | 0.1 ± 0.2 | 1.15 (0.93–1.43) | 0.176 |
| Perfluoroundecanoic acid | 0.3 ± 0.7 | 0.3 ± 0.4 | 1.08 (0.85–1.36) | 0.502 |
| Perfluorododecanoic acid | 0.1 ± 0.04 | 0.2 ± 0.1 | 2.11 (0.79–5.62) | 0.126 |
Adjusted for age, sex, body mass index, ratio of family income to poverty, serum cotinine (smoking status), vitamin D level, physical activity level, urinary creatinine and sub-sample weighting