Table 1.
Descriptive Statistics and Correlations among Study Variables.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Child sex | |||||||||||||||||
| 2. State | −.11* | ||||||||||||||||
| 3. Ethnicity | −.01 | .55** | |||||||||||||||
| 4. Income | −.04 | .16** | .34** | ||||||||||||||
| 5. CS | −.03 | .25** | .37** | .38** | |||||||||||||
| 6. ER T1 | −.04 | .04 | −.02 | .06 | −.02 | ||||||||||||
| 7. ER T2 | −.01 | .17** | .12* | .06 | .03 | .13* | |||||||||||
| 8. ER T3 | .06 | −.08 | .07 | .04 | .04 | .04 | .16** | ||||||||||
| 9. PR T1 | −.11 | −.30** | −.16* | −.11 | −.02 | −.01 | −.07 | .05 | |||||||||
| 10. PR T2 | −.08 | −.16* | −.10 | −.09 | −.03 | .02 | .06 | .14 | .26** | ||||||||
| 11. PR T3 | .00 | −.14* | −.19** | −.08 | −.10 | .03 | .09 | .12 | .37** | .36** | |||||||
| 12. AR T1 | .01 | −.17** | −.03 | .04 | .04 | .11* | −.07 | .11 | .06 | .23** | .08 | ||||||
| 13. AR T2 | .00 | −.13* | −.11* | .09 | .04 | .08 | −.01 | .15* | .09 | .18* | .03 | .29** | |||||
| 14. AR T3 | .15** | −.26** | .00 | .04 | .09 | .02 | .00 | .30** | .16* | .00 | .08 | .19** | .31** | ||||
| 15. EF T4 | .10 | .16** | .22** | .15* | .20** | −.10 | .08 | .05 | −.08 | −.02 | −.05 | −.07 | .05 | .14* | |||
| 16. BP T4 | −.08 | −.18** | −.19** | −.34** | −.34** | −.06 | −.11 | −.12* | .13 | .05 | −.05 | −.02 | −.15** | −.14* | −.13* | ||
| 17. Com T4 | .09 | .00 | .02 | −.04 | .15** | −.02 | .01 | −.06 | .10 | .09 | −.03 | .16** | .16** | .14* | .06 | −.10 | |
| N | 360 | 360 | 360 | 360 | 360 | 328 | 314 | 291 | 196 | 208 | 237 | 360 | 351 | 350 | 288 | 329 | 322 |
| Minimum | 1 | 0 | 0 | 0.00 | −2.25 | −10.86 | −7.00 | −6.69 | −6.46 | −7.95 | −5.20 | 4.50 | 4.00 | 4.50 | −1.98 | 0.00 | 1.00 |
| Maximum | 2 | 1 | 1 | 7.72 | 1.65 | 10.44 | 5.40 | 6.42 | 4.71 | 7.30 | 4.93 | 23.25 | 23.50 | 23.25 | 1.18 | 1.40 | 5.00 |
| Mean | 1.51 | 0.44 | 0.63 | 1.72 | −0.08 | 0.37 | 0.02 | 0.18 | 0.00 | 0.00 | 0.00 | 17.62 | 17.69 | 17.54 | −0.46 | 0.60 | 3.96 |
| SD | 0.50 | 0.50 | 0.48 | 1.44 | 0.80 | 2.26 | 2.12 | 2.31 | 1.75 | 1.79 | 1.86 | 2.63 | 3.00 | 3.39 | 0.54 | 0.28 | 0.81 |
Note. CS = caregiver sensitivity. ER = emotion regulation. PR = physiological regulation. AR = attention regulation. EF = executive functions. BP = behavioral problems. Com = Compliance. T1 = 6 months. T2 = 15 months. T3 = 24 months. T4 = 36 months. Child sex: 1= Boy, 2 = Girl. State: 0 = North Carolina, 1 = Pennsylvania. Ethnicity: 0 = Black, 1 = Other races.
*
p < .05
**
p < .01 (two-tailed).