Table 1.
Characteristics of the Mothers Enrolled in a Cincinnati-Based Pregnancy Cohort (The HOME Study) Between 2003 and 2006
| Maternal Characteristic | Full Sample (n = 327) |
Participants Not Included (n = 62) |
||||||
|---|---|---|---|---|---|---|---|---|
| No. | % | Geometric Mean | 95% CI | No. | % | Geometric Mean | 95% CI | |
| Age at delivery, yearsa | 30 (5.7) | 26 (5.6) | ||||||
| Race | ||||||||
| Caucasian, non-Hispanic | 221 | 68 | 16 | 28 | ||||
| African American, non-Hispanic | 85 | 26 | 36 | 65 | ||||
| Other | 21 | 6 | 3 | 5 | ||||
| Marital status | ||||||||
| Married | 229 | 70 | 19 | 33 | ||||
| Not married, living with someone | 41 | 13 | 15 | 26 | ||||
| Not married, living alone | 57 | 17 | 23 | 40 | ||||
| Household income, $b | 55,000 (27,000, 85,000) | 22,000 (12000, 56,000) | ||||||
| Home score at 12 months onlya | 39 (5.1) | 38 (3.0) | ||||||
| Employed | 269 | 82 | 41 | 72 | ||||
| Education | ||||||||
| High school or less or GED | 65 | 20 | 30 | 53 | ||||
| Some college or college graduate | 189 | 58 | 19 | 33 | ||||
| Graduate or professional school | 73 | 22 | 8 | 14 | ||||
| IQ, scorea | 107 (14.4) | 97 (12) | ||||||
| Moderate-to-severe depression | ||||||||
| At baseline and 4 weeks | 80 | 24 | 26 | 45 | ||||
| Postnatal (1, 2, and 3 years) | ||||||||
| Ever | 66 | 20 | ||||||
| Alcohol use during pregnancy | ||||||||
| Never drank alcohol during pregnancy | 176 | 54 | 40 | 70 | ||||
| Drank <1 alcoholic drink/month | 106 | 32 | 9 | 16 | ||||
| Drank ≥1 alcoholic drink/month | 45 | 14 | 8 | 14 | ||||
| Marijuana use during pregnancy | 16 | 5 | 14 | 22 | ||||
| Blood lead, µg/dL | 0.80 | 0.77, 0.84 | 0.88 | 0.80, 0.97 | ||||
| Serum cotinine, ng/mL | 0.084 | 0.064, 0.111 | 0.95 | 0.43, 2.09 | ||||
| Total DE, nmol/g creatinine | 9.3 | 7.8, 11.0 | 9.3 | 6.2, 13.9 | ||||
| Total DM, nmol/g creatinine | 45.9 | 39.3, 53.6 | 39.1 | 27.5, 55.5 | ||||
| Total DAP, nmol/g creatinine | 73.7 | 64.5, 84.3 | 60.7 | 44.8, 82.0 | ||||
Abbreviations: CI, confidence interval; DAP, dialkylphosphate; DE, diethylphosphate; DM, dimethylphosphate; GED, general equivalency diploma; Home score, Home Observation for Measurement of the Environment score; HOME Study, Health Outcomes and Measures of the Environment Study; IQ, intelligence quotient; SD, standard deviation.
a Values are expressed as the mean (SD).
b Values are expressed as the median (25th, 75th percentiles).