Network analysis of depressive and anxiety symptoms in adolescents during and after the COVID-19 outbreak peak

Jan 7, 2022Journal of affective disorders

How depression and anxiety symptoms are connected in teens during and after the COVID-19 peak

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Abstract

Depressed affect and Nervousness were the most central symptoms in adolescent anxiety and depression networks during and after the COVID-19 pandemic.

Connections between Relax-Nervousness-Depressed affect-Interpersonal problems were weaker in the second survey compared to the first.
Weaker connections also included Irritability-Somatic complaints between the two surveys.
Stronger connections in the second survey involved Somatic complaints with Nervousness and Depressed affect.
Irritability, Control worry, and Restlessness showed stronger interconnections in the second survey as well.
Depressed affect was identified as a key symptom bridging anxiety and depression networks.

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BACKGROUND: This study examined the extent to which the network structure of anxiety and depression among adolescents identified during the peak of the COVID-19 pandemic could be cross-validated in a sample of adolescents assessed after the COVID-19 peak.

METHODS: Two cross-sectional surveys were conducted between February 20 and 27, 2020 and between April 11 and 19, 2020, respectively. Depressive and anxiety symptoms were assessed using the 20-item Center for Epidemiological Studies-Depression and 7-item Generalized Anxiety Disorder, respectively. Anxiety-depression networks of the first and second assessments were estimated separately using a sparse Graphical Gaussian Model combined with the graphical least absolute shrinkage and selection operator method. A Network Comparison Test was conducted to assess differences between the two networks.

RESULTS: The most central symptoms in the first and second survey networks were Depressed affect and Nervousness. Compared with connections in the first survey network, connections in the second survey network analysis between Relax-Nervousness-Depressed affect-Interpersonal problems (diff, contrast: second survey-first survey. diff=-0.04, P = 0.04; diff=-0.03, P = 0.03; diff=-0.03, P = 0.04), and Irritability-Somatic complaints (diff=-0.04, P = 0.02) were weaker while connections of Somatic complaints-Nervousness (diff=0.05, P<0.001), Somatic complaints-Depressed affect (diff=0.03, P = 0.009), and Irritability-Control worry-Restlessness (diff=0.02, P = 0.03; diff=0.05, P = 0.02) were stronger.

CONCLUSIONS: Depressed affect emerged as a robust central symptom and bridge symptom across Anxiety-Depression networks. Considering the negative impact of depression and anxiety on daily life, timely interventions targeting depressed affect should be implemented to reduce the co-occurrence of anxious and depressive symptoms among adolescents during the COVID-19 pandemic.

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Network analysis of depressive and anxiety symptoms in adolescents during and after the COVID-19 outbreak peak

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