. 2021 Mar 30;12:633523. doi: 10.3389/fpsyt.2021.633523

Table 2.

Hierarchical linear analysis of the studied constructs among Chinese adolescents during the pandemic.

	Anxiety		Depression		Perceived general health
	*B(SD)*	Δ R²	*B(SD)*	Δ R²	*B(SD)*	Δ R²
Control variable		0.02		0.03		0.01
Sex	1.04(0.37)^b		1.43(0.47)^b		−0.15(0.07)^a
Social status	−0.16(0.06)^b		−0.24(0.06)^c		0.001(0.01)
Predictors		0.52		0.51		0.05
Online learning satisfaction	−1.3(0.14)^c		−1.56(0.21)^c		0.12(0.03)^c
COVID-related stressors	0.76(0.19)^c		0.98(0.22)^c		−0.07(0.03)^a
Problem-based coping	−0.19(0.03)^c		−0.28(0.03)^c		0.02(0.005)^c
Emotion-based coping	0.24(0.04) ^c		0.34(0.04)^c		−0.01(0.01)
Problem-based coping^m	−0.31(0.14)^a		−0.16(0.16)		0.04(0.02)^a
Emotion-based coping^m	0.51(0.19)^b		0.93 (0.20)^c		−0.06(0.03)^a
Online learning satisfaction^m	−0.73(1.3)		−0.08(1.37)		−0.18(0.14)
Interaction terms		0.02		0.02		0.01
Stress × pc	−0.39(0.17)^a		−0.57(0.22)^b		0.05(0.03)
Stress × ec	0.55(0.16)^b		0.52(0.19)^b		−0.09(0.03)^b
Stress × learning	−0.32(0.19)		−0.36(0.18)^a		0.01(0.04)

p < 0.05,

p < 0.01,

p < 0.001.

The mean score of variables based on class; Δ R² the amount of total variance (both level 1 and level 2) in the dependent variable captured by added predictors in the model; stress, COVID-19-related stressors; PC, problem-based coping; EC, emotion-based coping; OLS, online learning satisfaction.