Table 7.
Comparing maternal and child characteristics of participants included (n=161) and excluded (n=229) in the examination of prenatal POPs and reading ability at age 8 years, HOME Studya
| Included | Excluded | |||||
|---|---|---|---|---|---|---|
| n | (%) | n | (%) | |||
| Maternal age, years | ||||||
| <25 | 41 | (25.5) | 55 | (24.1) | ||
| 25-34 | 97 | (60.3) | 134 | (58.8) | ||
| >35 | 23 | (14.3) | 39 | (17.1) | ||
| Race/ethnicity | ||||||
| Non-Hispanic White | 96 | (59.6) | 141 | (63.2) | ||
| Non-Hispanic Black and Others | 65 | (40.4) | 82 | (36.8) | ||
| Education | ||||||
| High school or less | 41 | (25.5) | 59 | (26.5) | ||
| Some college or 2 year degree | 46 | (28.6) | 47 | (21.1) | ||
| Bachelor’s | 51 | (31.7) | 59 | (26.5) | ||
| Graduate or professional | 23 | (14.3) | 58 | (26.0) | ||
| Parity | ||||||
| Nulliparous | 69 | (42.9) | 102 | (45.1) | ||
| Primiparous | 47 | (29.2) | 77 | (34.1) | ||
| Multiparous | 45 | (28.0) | 47 | (20.8) | ||
| Mode of Delivery | ||||||
| Vaginal | 121 | (75.2) | 157 | (68.9) | ||
| Cesarean | 40 | (24.8) | 71 | (31.1) | ||
| Breastfeeding current child | ||||||
| No | 29 | (18.0) | 42 | (19.8) | ||
| Yes | 132 | (82.0) | 170 | (80.2) | ||
| Maternal Vitamin Use | ||||||
| Daily | 129 | (80.1) | 165 | (74.0) | ||
| <Daily | 22 | (13.7) | 41 | (18.4) | ||
| Never | 10 | (6.2) | 17 | (7.6) | ||
| Maternal alcohol consumption | ||||||
| Never | 91 | (56.5) | 125 | (56.1) | ||
| <1 per month | 47 | (29.2) | 68 | (30.5) | ||
| >1 per month | 23 | (14.3) | 30 | (13.5) | ||
| Maternal Smoking | ||||||
| None | 140 | (87.0) | 181 | (79.4) | ||
| ETS | 12 | (7.5) | 23 | (10.1) | ||
| Active | 9 | (5.6) | 24 | (10.5) | ||
| Maternal BMI | ||||||
| Underweight/Normal | 61 | (37.9) | 104 | (45.6) | ||
| Overweight | 59 | (36.7) | 69 | (30.3) | ||
| Obese | 41 | (25.5) | 55 | (24.1) | ||
| Child Sex | ||||||
| Male | 68 | (42.2) | 114 | (49.8) | ||
| Female | 93 | (57.8) | 115 | (50.2) | ||
| Marital Status | ||||||
| Married | 119 | (73.9) | 185 | (83.0) | ||
| Not Married | 42 | (26.1) | 38 | (17.0) | ||
| Mean (SD) | Mean (SD) | |||||
| Maternal Blood | ||||||
| Leadb | 0.7 (0.3) | 0.8 (0.4) | ||||
| Maternal Serum | ||||||
| DDT | 3.1 (3.9) | 4.0 (8.1) | ||||
| DDE | 95.8 (188.3) | 118.9 (207.4) | ||||
| BDE-28 | 1.7 (2.0) | 1.7 (3.0) | ||||
| BDE-47 | 35.2 (49.3) | 38.8 (103.4) | ||||
| BDE-99 | 8.4 (11.9) | 11.3 (37.6) | ||||
| BDE-100 | 7.3 (11.6) | 8.5 (18.0) | ||||
| BDE-153 | 10.6 (19.9) | 11.4 (19.2) | ||||
| CB-74 | 3.2 (1.9) | 3.5 (2.0) | ||||
| CB-99 | 3.3 (2.3) | 3.3 (2.4) | ||||
| CB-118 | 6.0 (5.3) | 6.5 (5.9) | ||||
| CB-138/158 | 9.7 (8.2) | 10.5 (8.9) | ||||
| CB-153 | 13.5 (13.0) | 14.9 (13.6) | ||||
| CB-180 | 8.4 (9.9) | 8.9 (7.7) | ||||
| ΣPCBs | 53.4 (45.1) | 52.6 (39.4) | ||||
| PFOA | 6.1 (3.8) | 6.2 (3.7) | ||||
| PFOS | 13.9 (7.9) | 15.0 (7.4) | ||||
| PFHxS | 1.7 (1.4) | 2.3 (3.4) | ||||
| PFNA | 1.0 (0.4) | 1.0 (0.4) | ||||
| Maternal IQb | 105.1 (14.7) | 108.4 (14.3) | ||||
Units: lead (μg/dL); OCPs, PBDEs and PCBs (ng/g lipid); PFAS (ng/mL)
a
Percentages may not add to 100% due to rounding.
b
p < 0.05