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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Dev Psychobiol. 2018 Jun 21;60(6):739–747. doi: 10.1002/dev.21747

Table 1.

Zero-order Bivariate Correlations Between Model Predictors

1 2 3 4 5 6 7 8
1. Sex (male = 0) -
2. Maternal Education −.14 -
3. Child Age in Months .02 .05 -
4. Attention Problems −.35** −.05 −.02 -
5. Rejecting Child-rearing Attitudes −.23 −.06 .01 .29* -
6. Child’s Baseline RSA .10 −.26* .18 −.04 .05 -
7. Child’s Δ RSA .01 −.16 .02 −.03 −.14 .38** -
8. Aggressive Behaviors −.39** .10 −.10 .41** .45** .03 −.04 -

N 88 88 88 74 70 84 84 74
Mean - 3.1 50.9 2.7 2.5 6.2 −0.1 8.9
Standard Deviation - 1.1 1.3 2.2 0.6 1.1 0.6 5.1

Min. – Max. - 1 – 6 49 – 54 0 – 9 1 – 4 3 – 9 −2 – 2 1 – 22

Notes: p ≤ .05*, p ≤ .01**