Table 2.
Descriptive Statistics and Zero-Order Correlations for Study Variables
| Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||||||||||
| 1. Prenatal cocaine exposure (1 = yes) | |||||||||||||||||||
| 2. Prenatal average cigarettes/week | .33** | ||||||||||||||||||
| 3. Prenatal average drinks/week | .21** | .34** | |||||||||||||||||
| 4. Maternal education | −.11 | −.23** | −.21** | ||||||||||||||||
| 5. Early Life Adversity (1M to ESA) | .15* | .24** | .10 | −.12 | |||||||||||||||
| 6. Infant cortisol reactivity (7M) | .11 | −.04 | .09 | .03 | −.01 | ||||||||||||||
| 7. Pubertal development | .06 | −.09 | −.09 | .10 | −.06 | .07 | |||||||||||||
| 8. Child sex | .02 | −.09 | −.15* | .02 | −.06 | .01 | .55** | ||||||||||||
| 9. Caregiver harshness (7M to ESA) | .18* | .08 | .09 | −.27** | .18** | .04 | −.04 | −.08 | |||||||||||
| 10. Caregiver sensitivity (7m to ESA) | −.11 | .01 | −.14* | .16* | −.02 | .02 | .02 | .06 | −.57** | ||||||||||
| 11. Time 1 cortisol (EA) | .00 | −.08 | −.15 | .07 | −.03 | −.03 | .19* | .13 | −.02 | −.19* | |||||||||
| 12. Time 2 cortisol (EA) | .00 | −.03 | −.05 | .09 | −.12 | .04 | .24** | .12 | −.15 | −.12 | .81** | ||||||||
| 13. Time 3 cortisol (EA) | −.03 | .06 | −.07 | .09 | −.07 | .11 | .21* | .08 | −.07 | −.05 | .57** | .79** | |||||||
| 14. Time 4 cortisol (EA) | −.08 | −.02 | −.10 | .03 | −.02 | .04 | .21* | .16 | .04 | −.09 | .64** | .75** | .84** | ||||||
| 15. Time 1 stress ratings (EA) | .06 | .04 | .25** | −.24** | −.01 | −.01 | .02 | −.05 | .05 | .04 | .04 | .02 | −.08 | −.05 | |||||
| 16. Time 2 stress ratings (EA) | .07 | .16 | .10 | −.05 | −.04 | .05 | .24** | .21* | .10 | .04 | .05 | .15 | .19* | .18* | .24** | ||||
| 17. Time 3 stress ratings (EA) | .02 | .13 | −.04 | −.05 | .03 | −.05 | .11 | .13 | −.04 | .03 | −.04 | −.04 | .03 | .02 | .07 | .60** | |||
| 18. Time 4 stress ratings (EA) | .02 | .21* | .33** | −.18* | −.06 | .13 | −.02 | −.13 | .16 | .03 | −.06 | −.02 | .06 | .02 | .27** | .34** | .22* | ||
| 19. Time 5 stress ratings (EA) | −.06 | −.02 | .07 | .04 | .06 | .04 | .00 | −.01 | .02 | .08 | −.02 | −.02 | .02 | .04 | .33** | .27** | .02 | .19* | |
|
| |||||||||||||||||||
| M | 0.54 | 26.30 | 2.09 | 11.80 | 0.00 | 0.10 | 2.50 | 1.51 | 2.49 | 3.93 | 0.13 | 0.15 | 0.18 | 0.15 | 2.05 | 6.85 | 6.91 | 1.97 | 1.93 |
| SD | 0.50 | 38.38 | 8.45 | 1.91 | 1.01 | 0.29 | 0.59 | 0.50 | 0.56 | 0.67 | 0.11 | 0.14 | 0.16 | 0.12 | 1.59 | 2.74 | 2.89 | 1.39 | 1.29 |
Note. Prenatal cocaine exposure: cocaine group =1, control = 0. Prenatal tobacco exposure = Average cigarettes/week during pregnancy. Prenatal alcohol exposure = Average standard drinks/week during pregnancy. M = Month. ESA = early school age. EA = Early adolescence. ELA = Early life adversity.
*
p < .05
**
p < .01