Table 1.
Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | M (SD) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1. (ln) Cort 7 mo. | — | −1.84 (0.77) | |||||||||||||||
2. (ln) Cort 15 mo. | .04 | — | −1.95 (0.84) | ||||||||||||||
3. (ln) Cort 24 mo. | .11** | .16** | — | −2.05 (0.80) | |||||||||||||
4. C Risk 6–24 mo. | .11** | .15** | .16** | — | 0.02 (0.60) | ||||||||||||
5. CC CHours 7 mo. | −.01 | .03 | .06 | −.03 | — | 20.18 (20.94) | |||||||||||
6. CC CHours 15 mo. | .01 | −.02 | .08* | −.08** | .59** | — | 20.58 (19.52) | ||||||||||
7. CC CHours 24 mo. | .02 | −.04 | .03 | −.13** | .46** | .61** | — | 19.92 (20.20) | |||||||||
8. CC Qual 7 mo. | −.13** | −.05 | .03 | −.21** | −.10** | −.13** | −.10** | — | 1.97 (0.52) | ||||||||
9. CC Qual15 mo. | −.12** | −.04 | −01 | −.23** | −.05 | −.10** | −.09* | .75** | — | 2.18 (0.45) | |||||||
10. CC Qual 24 mo. | −.09* | −.04 | −.00 | −.23** | −.03 | −.06 | −.08* | .69** | .70** | — | 2.06 (0.45) | ||||||
11. CenterCare 7 mo. | .03 | .01 | −.06 | −.04 | .36** | .26** | .23** | −.25** | −.18** | −.20** | — | 0.22 | |||||
12. CenterCare 15 mo. | .02 | .02 | .00 | −.06* | .26** | .46** | .33** | −.28** | −.21** | −.22** | .61** | — | 0.26 | ||||
13. CenterCare 24 mo. | .01 | .03 | −.04 | −.08** | .24** | .35** | .49** | −.21** | −.14** | −.27** | .47** | .65** | — | 0.27 | |||
14. CC PeerNum 7 mo. | .03 | −.01 | −.16** | .03 | .08 | .07 | .11* | −.35** | −.27** | −.24** | .66** | .50** | .39** | — | 3.23 (2.73) | ||
15. CC PeerNum 15 mo. | −.03 | .06 | −.12* | −.01 | .01 | .11* | .10* | −.26** | −.28** | −.20** | .42** | .71** | .46** | .53** | — | 4.35 (3.67) | |
16. CC PeerNum 24 mo. | −.04 | .07 | −.09 | −.08 | .01 | .07 | .08 | −.28** | −.20** | −.34** | .39** | .45** | .64** | .43** | .55** | — | 5.98 (4.92) |
Note. ln = natural logarithm; Cort = cortisol; mo. = months; C Risk = cumulative risk; CC Hours = weekly child care hours, CC Qual = child care quality, CenterCare = attends center-based care = 1; CC PeerNum = number of peers in child care.
p < .05.
p < . 01.