Table 1.
Sample characteristics as a function of first trimester cocaine exposure
| No cocaine use 1st trimester |
Cocaine use 1st
trimester |
p valuea | |
|---|---|---|---|
| n = 133 | N = 92 | ||
| First trimester maternal characteristics | |||
| African American (%) | 42.1 | 55.4 | <.05 |
| Age (yrs) (mean, SD) | 24.1 (5.0) | 26.5 (5.0) | < .001 |
| Education (yrs) (mean, SD) |
12.1 (1.4) | 11.9 (1.2) | ns |
| Family income ($/mo) (mean, SD) |
782 (614) | 568 (683) | < .05 |
| Single (%) | 70 | 89 | < .001 |
| Cigarettes/day (mean, SD) |
5.7 (8.9) | 10.7 (9.0) | <.001 |
| Drinks/day (mean, SD) |
0.3 (0.6) | 2.3 (3.0) | <.001 |
| Joints/day (mean, SD) | 0.06 (0.2) | 0.5 (1.3) | <.001 |
| Other illicit drugs (except cocaine) (%) |
2.3 | 9.8 | <.05 |
| 21-year caregiver characteristics | |||
| Education (yrs) (mean, SD) |
13.0 (1.7) | 13.2 (1.9) | ns |
| Family income ($/mo) (mean, SD) |
2927 (2155) | 2138 (2176) | < .05 |
| Single (%) | 59 | 70 | ns |
| Cigarettes/day (mean, SD) |
5.5 (9.1) | 6.4 (7.4) | ns |
| Drinks/day (mean, SD) |
0.7 (2.4) | 1.8 (3.5) | < .05 |
| Illicit drugs (cocaine, marijuana) (%) |
10.2 | 24.4 | < .01 |
| 21-year offspring characteristics | |||
| Age (yrs) (mean, SD) | 21.3 (0.7) | 21.3 (0.6) | ns |
| Male (%) | 48.1 | 46.7 | ns |
| African American (%) | 47.4 | 63.0 | < .05 |
| Education (yrs) (mean, SD) |
12.8 (1.5) | 12.6 (1.4) | ns |
| Working (% yes) | 56.4 | 59.8 | ns |
| Attend school (% yes) | 40.6 | 43.5 | ns |
| Personal income ($/mo) (mean, SD) |
661 (739) | 914 (1213) | ns |
| Receive public assistance (% yes) |
15.8 | 12.0 | ns |
| Live with partner (%) | 19.6 | 19.6 | ns |
| ≥ 1 child (%) | 22.6 | 28.3 | ns |
a
Based on t-test or Mann-Whitney for continuous variables and on Chi-square test for dichotomous variables.