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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Neurotoxicol Teratol. 2018 Aug 4;69:39–48. doi: 10.1016/j.ntt.2018.07.003

Table 1.

Descriptive Statistics and correlations among mediator and outcome variables

1 2. 3 4 5 6 7 8 9
1. Breastfeeding Duration (days)
X
2. Maternal Agg. Disposition Preg.
-.13* X
3. Maternal Warmth/ Sensitivity 9 mos
.29*** -.19* X
4. Maternal Affective Dysregulation 9 mos
-.16* .37*** -.17* X
5. Average Cigarettes Per Day 2 to 24 mos
-.10 .25*** .06 .07 X
6. Average Joints Per Day 2 to 24 mos
-.05 .19** -.15* .08 .17** X
7. Externalizing Behavior 24 mos
-.13+ .21** -.24** .31*** .02 .16* X
8. Externalizing Behavior 36 mos
-.23** .18* -.09 .18* -.03 .10 .51*** X
9. Maternal Demographic Risk
-.10 .11 -.27*** -.11 -.11+ .06 .01 .03 X
Mean
50.75 2.71 4.07 14.17 4.32 0.29 2.84 2.23 0.49
Standard Deviation 104.44 0.71 0.61 11.25 4.95 .82 2.14 2.07 0.25

Note.

+

p < .10

*

p < .05

**

p < .01

***

p < .001.

Agg = Aggressive; Preg = Pregnancy; Mos = months