Table 4.

Parameter estimates for univariate growth models controlling for gender and grade cohort

	β	b (SE)	[95% CI]	p
Positive Affect
Means
Intercept	7.37	42.52 (1.30)	[39.98, 45.07]	<.001
Linear Slope	.75	2.35 (.86)	[.66, 4.04]	.006
Variances
Intercept	.98	32.52 (5.74)	[21.28, 43.76]	<.001
Linear Slope	.92	9.13 (2.87)	[3.50, 14.76]	.001
Covariances
Intercept with Slope	−.32	−5.48 (2.30)	[−11.94, .99]	.097
Parent Relationship Quality
Means
Intercept	7.11	29.30 (.80)	[27.73, 30.88]	<.001
Linear Slope	−.94	−1.87 (.51)	[−2.86, −.87]	<.001
Variances
Intercept	.91	15.40 (2.08)	[11.33, 19.47]	<.001
Linear Slope	.99	3.95 (1.04)	[1.92, 5.98]	<.001
Covariances
Intercept with Slope	−.26	−2.03 (1.16)	[−4.31, .24]	.079
Peer Relationship Quality
Means
Intercept	3.78	17.65 (.94)	[15.80, 19.50]	<.001
Linear Slope	−.40	−.82 (.60)	[−1.98, .35]	.172
Variances
Intercept	.92	19.93 (2.91)	[14.23, 25.64]	<.001
Linear Slope	.99	4.17 (1.41)	[1.40, 6.94]	.003
Covariances
Intercept with Slope	−.37	−3.39 (1.67)	[−6.66, −.12]	.042

Note. 95% CI = 95% confidence interval of the unstandardized effect size