Negative life events and depression: a moderated mediation model of mobile phone addiction and chronotype among medical undergraduate students in North China - Summary - MDSpire
To examine the associations between negative life events (NLEs) and depression in medical undergraduate students, assessing the indirect effect of mobile phone addiction and the moderating effect of chronotype.
Approach:
Study Design: Cross-sectional study with a stratified random sampling method involving 1,616 medical students in North China.
Data Collection: Participants completed four self-reported questionnaires: PHQ-9, MEQ-5, a self-designed measure of NLEs, and a self-designed measure of mobile phone addiction.
Key Findings:
Significant associations were found between depression and three dimensions of NLEs: study pressure, relationship setbacks, and employment pressure (P < 0.001).
NLEs had a significant indirect association with depression through mobile phone addiction.
Chronotype significantly moderated the indirect effect of mobile phone addiction on the relationship between NLEs and depression (P < 0.001).
Limitations:
The study's cross-sectional design limits causal inferences.
