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In-school learning is associated with higher psychological distress and depressive symptoms compared to home-based online learning in adolescents, and poorer sleep quality is independently associated with worse mental health.

Q: Did in-school learning cause worse mental health than home-based learning?

No, the study is cross-sectional, so it can only show an association, not causation. In-school learning was associated with higher psychological distress, but other factors could explain this.

Q: Which sleep component was most strongly linked to mental health?

Subjective sleep quality had the strongest association (β=0.333, p<0.001), followed by sleep latency and sleep duration.

Q: What percentage of students had moderate to severe depressive symptoms?

23.4% of the 5,787 students scored in the moderate to severe range on the PHQ-9.

Q: Did the associations differ by gender or educational stage?

No, the associations between learning modality, sleep quality, and mental health did not differ substantially by gender or educational stage after adjusting for covariates.

A cross-sectional study of 5,787 Chinese adolescents (grades 7-12) found that in-school learning was associated with significantly higher psychological distress and depressive symptoms compared to home-based online learning (p<0.001). Poorer subjective sleep quality, longer sleep latency, and shorter sleep duration were independently associated with worse mental health, with subjective sleep quality showing the strongest association (β=0.333, p<0.001). 23.4% of students had moderate to severe depressive symptoms.

Last updated: Aug 21, 2026•0 RCTs•📖 Read as article →

Evidence Score

Evidence Score34/100

Human RCT☆☆☆☆☆

Meta-analysis☆☆☆☆☆

Mechanism★★★★★

Safety★★★★☆

Confidencelow

Study Evidence

Study 1. The impact of learning modalities and sleep quality on adolescent mental health: a cross-sectional study.

observational

Du L, Qiao K, Liu Q, Feng L, Zheng Y, Zhang R, Zhang L, Li W, Gong G · Frontiers in pediatrics (2026)

Participants: 5787

Duration: Cross-sectional (2020-2021)

Intervention: Learning modality (in-school vs. home-based online learning) and sleep quality (subjective sleep quality, sleep latency, sleep duration)

Outcome: Psychological distress (MMHI-60 total average scores) and depressive symptom severity (PHQ-9)

Effect Size: β=0.333 for subjective sleep quality; p<0.001 for learning modality comparison

Population: Adolescents in grades 7-12 from 14 schools in Gansu Province, China (n=5,787)

Result: A cross-sectional study of 5,787 Chinese adolescents (grades 7-12) found that in-school learning was associated with significantly higher psychological distress and depressive symptoms compared to home-based online learning (p<0.001). Poorer subjective sleep quality, longer sleep latency, and shorter sleep duration were independently associated with worse mental health, with subjective sleep quality showing the strongest association (β=0.333, p<0.001). 23.4% of students had moderate to severe depressive symptoms.

PubMed: 42558469 DOI: 10.3389/fped.2026.1854377

Mechanism Graph

In-school learning may increase stress due to academic pressures, social dynamics, or reduced flexibility compared to home-based learning.

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Poor sleep quality (subjective, latency, duration) may impair emotional regulation and cognitive function.

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These factors independently contribute to higher psychological distress and depressive symptoms.

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Result: In-school learning and poor sleep are associated with worse mental health outcomes.

Limitations

⚠Cross-sectional design prevents causal inference.
⚠Data collected in 2020-2021 during COVID-19 pandemic may not generalize to non-pandemic contexts.
⚠Reliance on self-reported questionnaires may introduce bias.
⚠Potential unmeasured confounders (e.g., family environment, socioeconomic status) not fully adjusted.

Frequently Asked Questions

Did in-school learning cause worse mental health than home-based learning?▼

No, the study is cross-sectional, so it can only show an association, not causation. In-school learning was associated with higher psychological distress, but other factors could explain this.

Which sleep component was most strongly linked to mental health?▼

Subjective sleep quality had the strongest association (β=0.333, p<0.001), followed by sleep latency and sleep duration.

What percentage of students had moderate to severe depressive symptoms?▼

23.4% of the 5,787 students scored in the moderate to severe range on the PHQ-9.

Did the associations differ by gender or educational stage?▼

No, the associations between learning modality, sleep quality, and mental health did not differ substantially by gender or educational stage after adjusting for covariates.

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References

1.Du L, Qiao K, Liu Q, Feng L, Zheng Y, Zhang R, Zhang L, Li W, Gong G. "The impact of learning modalities and sleep quality on adolescent mental health: a cross-sectional study.." Frontiers in pediatrics, 2026. PMID: 42558469 DOI: 10.3389/fped.2026.1854377

Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.