Table 1.
Description of Chemicals in Our Bodies analytic sample analyzing per- and poly-fluoroalkyl substances, and polybrominated diphenyl ethers and maternal and newborn telomere length
| Newborn Subsample (N = 292) | Maternal Subsample (N = 110) | Matched Maternal–Fetal Unit Pairs Subsample (N = 76) | |
|---|---|---|---|
| N (%) or Mean (SD) | N (%) or Mean (SD) | N (%) or Mean (SD) | |
| Maternal Age at Enrollment, years | |||
| Mean (SD) | 34 (5.0) | 33 (5.4) | 34 (5.1) |
| Gestational age at delivery | |||
| Mean (SD) | 39 (1.7) | 39 (1.5) | 39 (1.7) |
| Pre-pregnancy BMI (kg/m2) | |||
| Mean (SD) | 25 (5.1) | 26 (5.6) | 25 (5.2) |
| Maternal Education | |||
| Less than High School | 25 (9%) | 14 (13%) | 4 (5%) |
| High School Degree or Some College | 59 (20%) | 24 (22%) | 11 (14%) |
| College Degree | 81 (28%) | 34 (31%) | 28 (37%) |
| Graduate Degree | 127 (43%) | 38 (35%) | 33 (43%) |
| Maternal Race/Ethnicity | |||
| Non-Hispanic White | 126 (43%) | 46 (42%) | 40 (53%) |
| Non-Hispanic Black | 10 (3%) | 4 (4%) | 2 (3%) |
| Asian/Pacific Islander | 62 (21%) | 16 (15%) | 14 (18%) |
| Latina | 85 (29%) | 39 (35%) | 17 (22%) |
| Other | 9 (3%) | 5 (5%) | 3 (4%) |
| Parity | |||
| No Prior Births | 162 (55%) | 52 (47%) | 40 (53%) |
| One or More Prior Births | 130 (45%) | 58 (53%) | 36 (47%) |
Abbreviations: SD Standard deviation
Note: There are 326 pregnant participants, of which there are 76 matched maternal–fetal unit pairs