Table 2.
Sociodemographic characteristics of cocaine-exposed and unexposed groups
| Exposed (n = 74) | Unexposed (n = 93) | t, F or χ2 test (df) | |
|---|---|---|---|
| Maternal age M (SD) | 28.0(5.0) | 23.0(5.5) | t(159) = 6.1*** |
| Parity M (SD) | 2.7(1.8) | 1.6(1.0) | t(164) = 4.9*** |
| Prenatal visits M (SD) | 3.9(4.5) | 7.4(3.2) | t(157) = 5.7*** |
| Marital Status (%) | χ2(5) = 7.0 | ||
| Married | 10 | 13 | |
| Single | 76 | 82 | |
| Divorced | 4 | 1 | |
| Separated | 9 | 2 | |
| Widowed | 0 | 0 | |
| Other (Common Law, Unsure) | 1 | 2 | |
| Maternal Ethnicity (%) | χ2(3) = 4.0 | ||
| Black | 99 | 92 | |
| White | 1 | 6 | |
| Hispanic | 0 | 1 | |
| Other(Mixed/Oriental) | 0 | 1 | |
| Maternal Education (%) | χ2(2) = 4.7 | ||
| Less than High School | 36 | 30 | |
| High School | 45 | 40 | |
| College | 19 | 30 | |
| Yearly Income (%) | χ2(2) = 4.9 | ||
| $0–$10,000 | 89 | 78 | |
| $10,000–$20,000 | 9 | 20 | |
| Greater than $20,000 | 2 | 2 | |
| Work Status (%) | χ2(2) = 5.2 | ||
| Full time | 7 | 11 | |
| Part time/at home | 11 | 15 | |
| Unemployed | 82 | 74 | |
| No of People living in Home M(SD) | 4.3(2.4) | 4.2(1.7) | t(150) = 0.17 |
| Newborn’s Gender (% Female) | 47 | 44 | χ2(1) = 0.1 |
| Infant M(SD) | |||
| Gest. age (weeks) | 37.7(2.2) | 38.9(1.8) | t(159) = 4.0*** |
| 5 Minute APGAR | 8.7(1.2) | 8.8(0.7) | t(144) = 0.6 |
| Head Circ.a (cm) | 32.9(0.2) | 33.4(0.2) | F(1, 148) = 2.7 |
| Birth Weighta (grams) | 2978(58) | 3109(50) | F(1, 152) = 2.8 |
| Birth Lengtha (cm) | 47.7(0.3) | 48.8(0.2) | F(1, 148) = 6.6* |
a
Gestational age covaried;
*
p < .05
**
p < .01
***
p < .001.