Table 1.
Characteristics of the sample (mean ± SD or %).
| Subjects in the analysis (n = 215) | Subjects not includeda (n = 246) | |||||
|---|---|---|---|---|---|---|
| Variable | Value | n | ||||
| Cord 32P adductsb | 2.45 ± 2.43 | 2.32 ± 2.31 | 246 | |||
| Prenatal ETSc | 36.28 | 34.15 | 246 | |||
| Femaled | 59.53 | 47.56 | 246 | |||
| Gestational agee | 39.68 ± 1.49 | 39.67 ± 1.34 | 246 | |||
| Maternal demoralization scoref | 1.19 ± 0.62 | 1.16 ± 0.67 | 219 | |||
| Maternal educationg | 11.84 ± 2.18 | 11.85 ± 2.27 | 246 | |||
| Maternal TONI scoreh | 20.77 ± 8.70 | 19.89 ± 8.50 | 144 | |||
| Home environmenti | 39.98 ± 6.26 | 38.62 ± 6.52 | 129 | |||
| Ethnicity (AA%)d,j | 44.65 | 30.08 | 246 | |||
| Heating seasonk | 53.95 | 59.57 | 235 | |||
| aSome subjects were not included because of missing CBCL or information on at least one covariate. bThe 32P-postlabeling assay was used to measure adducts. Units are adducts/108 nucleotides. cPrenatal ETS exposure in the home. dSignificantly different between the two groups based on Pearson’s chi-square test. eGestational age in weeks. fMaternal demoralization during pregnancy. gMaternal education in years of school. hNonverbal intelligence measured by the TONI. iHOME Inventory as a measure of the home caretaking environment. jPercentage African American; the remainder are Dominican. kThird trimester in heating season. | ||||||