Table 3.
Correlation Coefficients Among Study Variables
| Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. IPT, 0-24 months | -- | ||||||||||||
| 2. IPT, 24-64 months | .59*** | -- | |||||||||||
| 3. Child gendera | −.10 | −.03 | -- | ||||||||||
| 4. Child race/ethnicityb | .14 | .09 | −.05 | -- | |||||||||
| 5. SES, prenatal | −.20** | −.17 | −.07 | −.15* | -- | ||||||||
| 6. SES, 42 months | −.16* | −.25** | −.08 | −.04 | .67*** | -- | |||||||
| 7. SES, 96 months | −.21** | −.27** | .03 | −.12 | .55*** | .69*** | -- | ||||||
| 8. Maternal IQ (WAIS) | −.17* | −.26** | −.09 | −.15* | .47*** | .54*** | .50*** | -- | |||||
| 9. Birth complications | −.07 | −.08 | −.05 | .00 | .14* | .13 | .12 | −.03 | -- | ||||
| 10. Child birthweight | −.02 | .03 | .03 | −.03 | −.10 | −.06 | −.03 | .09 | −.24** | -- | |||
| 11. HOME, 30 months | −.37*** | −.34*** | .03 | −.37*** | .24*** | .29*** | .39*** | .30*** | .05 | −.07 | -- | ||
| 12. BMD, 24 months | −.31*** | −.19** | .19** | −.18** | .19** | .20** | .28*** | .27*** | −.06 | .21** | .35*** | -- | |
| 13. WPPSI, 64 months | −38*** | −.26*** | .15* | −.16* | .35*** | .40*** | .38*** | .46*** | .05 | .16* | .37*** | .55*** | -- |
| 14. WISC-R, 96 months | −.30*** | −.27*** | .04 | −.17* | .27*** | .29*** | .41*** | .47*** | .02 | .20** | .33*** | .52*** | .72*** |
Notes. BMD = Bayley Mental Development Scale; HOME = Home Observation for Measurement of the Environment composite summary scale; IPT = interpersonal trauma exposure; IQ = intelligence quotient; SES = socioeconomic status; WAIS = Wechsler Adult Intelligence Scale; WISC-R = Wechsler Intelligence Scale for Children-Revised; WPPSI = Wechsler Preschool and Primary Scale of Intelligence.
a
Male children were coded “1”; female children were coded “2.”
b
White, Non-Hispanic children were coded “1”; racial/ethnic minority children were coded “2.”
*
p < 0.05.
**
p < 0.01.
***
p < 0.001.