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The Forced Swim Test as a Model of Depressive-like Behavior
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Irregularity in Daily Activities Predicts Depression via Reduced Perceived Control: A Daily Diary Study.

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  • 1Department of Psychology, Sungkyunkwan University, Seoul, South Korea.

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Summary
This summary is machine-generated.

Irregular daily routines increase depression risk by reducing perceived control. This psychological factor, not just sleep quality, significantly impacts mental health outcomes related to social rhythm disruption.

Keywords:
mental healthregular lifestyleroutinizationsense of controlsocial rhythm

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Area of Science:

  • Psychology
  • Mental Health
  • Behavioral Science

Background:

  • Disruptions in social rhythms (daily activities like meals, work, social interactions) are linked to psychological distress, notably depression.
  • While circadian rhythm factors (e.g., sleep quality) are implicated, psychological pathways warrant further investigation.

Purpose of the Study:

  • To investigate perceived control as a psychological mediator between social rhythm irregularity and depression.
  • To examine this mediation at both between-person and within-person levels.

Main Methods:

  • A 14-day daily diary study involving 124 participants.
  • Multilevel mediation analysis was used to assess the roles of social rhythm irregularity, perceived control, and depressive symptoms.

Main Results:

  • At the between-person level, lower perceived control mediated the link between social rhythm irregularity and higher depressive symptoms, independent of sleep quality.
  • At the within-person level, daily perceived control fully mediated the association between daily social rhythm irregularity and end-of-day depressive affect.

Conclusions:

  • Perceived control is a significant psychological mediator in the relationship between social rhythm irregularity and depression.
  • Findings highlight the need to consider psychological mechanisms alongside circadian factors for understanding mental health impacts of irregular routines.