Table 2.

Conditional multilevel growth models of depression and anxiety symptoms.

	Depression			Anxiety
	Effect Estimate (SE)	Variance of Random Effect	Covariance of Random Effects	Effect Estimate (SE)	Variance of Random Effect	Covariance of Random Effects
Intercept	8.63(0.5)*	25.80*	-.02	17.10(0.9)*	75.33*	0.07
Time (Slope)	0.91(0.6)	1.21*	–	0.99(0.9)	2.71*	–
Time (Curvature)	-0.38(0.2)	–	–	-0.43(0.3)	–	–
	Main Effect Estimate (SE)	Slope Interaction Estimate (SE)	Curvature Interaction Estimate (SE)	Main Effect Estimate (SE)	Slope Interaction Estimate (SE)	Curvature Interaction Estimate (SE)
Time Invariant Covariates
Age	-0.24(0.2)	-0.83(0.2)*	0.30(0.1)*	-1.36(0.3)*	-0.10(0.3)	0.12(0.1)
Female	0.89(0.7)*	0.34(0.8)	-0.12(0.3)	3.70(1.1)*	-0.34(1.1)	-0.10(0.4)
Pre-pandemic Depression	0.53(0.1)*	-0.01(0.1)	0.00(0.0)	1.72(0.1)	0.09(0.1)	-0.04(0.0)
Pre-pandemic Anxiety	0.07(0.0)*	0.04(0.0)	-0.01(0.0)	0.57(0.1)*	0.00(0.1)	0.00(0.0)
Mean Life Changes	0.15(0.2)	0.49(0.3)	-0.18(0.1)	0.07(0.4)	0.31(0.4)	-0.09(0.1)
Mean Infection Concerns	0.32(0.3)	0.06(0.3)	-0.05(0.1)	0.80(0.4)	0.38(0.4)	-0.18(0.2)
Mean School Concerns	1.88(0.3)*	0.50(0.4)	-0.21(0.2)	1.82(0.6)*	-0.07(0.6)	0.11(0.2)
Mean Home Confinement Concerns	1.05(0.4)*	-0.03(0.4)	-0.04 (0.2)	0.32(0.6)	0.34(0.6)	-0.06(0.2)
Mean Basic Needs Concerns	0.88(0.6)	-0.37(0.6)	0.21(0.2)	2.17(0.9)*	-0.37(0.9)	0.09(0.4)
Time Varying Covariates
Life Changes	-0.13(0.1)			0.10(0.2)
Infection Concerns	0.18(0.1)			0.41(0.2)*
School Concerns	0.60(0.2)*			0.21(0.2)
Home Confinement Concerns	0.44(0.2)*			0.31(0.3)
Basic Needs Concerns	-0.16(0.2)			0.02(0.3)

Note: SE = standard error; Time is coded as months since April 1^st, 2020; significant effects are bolded*.