. 2021 Aug;33(3):922–936. doi: 10.1017/S0954579420000231

Table 4.

Multilevel growth model parameters for externalizing problems

	Unconditional growth model		Conditional effect of preadoptive risk		Conditional effect of parental warmth		Conditional effect of Preadoptive Risk × Parental Warmth
Initial status	Coeff.	95% CI	Coeff.	95% CI	Coeff.	95% CI	Coeff.	95% CI
Intercept	–0.81**	[–1.30, –0.33]	–0.81*	[–1.47, –0.15	–0.47	[–1.13, 0.20]	–0.36	[–1.14, 0.43]
Preadoptive risk			0.75**	[0.21, 1.29]	0.61*	[0.08, 1.13]	0.47	[–0.30, 1.24]
Female			0.09	[–0.27, 0.45]	0.03	[–0.31, 0.36]	0.03	[–0.31, 0.36]
Adoptive parent SES			0.08	[–0.09, 0.25]	0.13	[–0.03, 0.29]	0.12	[–0.05, 0.29]
Adoptive parental warmth					–0.62**	[–0.98, –0.26]	–0.57**	[–0.94, –0.21]
Preadoptive Risk × Adoptive Parental Warmth							0.15	[–0.12, 0.42]
Rate of change	Coeff.	95% CI	Coeff.	95% CI	Coeff.	95% CI	Coeff.	95% CI
Age	0.34**	[0.13, 0.56]	0.41*	[0.09, 0.73]	0.40*	[0.08, 0.72]	0.38	[0.02, 0.73]
Age²	–0.03**	[–0.05, –0.01]	–0.04⁺	[–0.09, 0.01]	–0.04⁺	[–0.09, 0.01]	–0.04	[–0.09, 0.02]
Age × Preadoptive risk			–0.34**	[–0.58, –0.11]	–0.32**	[–0.55, –0.09]	–0.36	[–0.59, –0.12]
Age² × Preadoptive risk			0.03**	[0.00, 0.06]	0.03⁺	[0.002, 0.06]	0.03⁺	[–0.002, 0.06]
Variance	Coeff.	95% CI	Coeff.	95% CI	Coeff.	95% CI	Coeff.	95% CI
Lev.1 – Within children	0.45	[0.34, 0.59]	0.42	[0.32, 0.55]	0.42	[0.32, 0.55]	0.41	[0.31, 0.54]
Lev.2 – Intercept	0.34	[0.16, 0.69]	0.36	[0.18, 0.73]	0.26	[0.11, 0.59]	0.26	[0.12, 0.60]
Lev.2 – Rate of change	0.004	[0.00, 0.04]	0.003	[0.00, 0.09]	0.005	[0.00, 0.03]	0.004	[0.00, 0.03]
Lev.2 – Covariance	NA		NA		NA
	Wald χ² (df)	p χ²	Wald χ² (df)	p χ²	Wald χ² (df)	p χ²	Wald χ² (df)	p χ²
	10.62 (2)	.0049	21.10 (7)	.0036	34.27 (8)	<.0001	36.38 (10)	.0001

Note: SES, socioeconomic status. ⁺p < .10. *p < .05. **p < .01.