The Birth Cohorts Difference in Depression

Area of Science:

• Psychology
• Sociology
• Public Health

Background:

• Adolescent mental health is influenced by generational factors, known as cohort effects.
• Understanding variations in depressive symptoms across different birth cohorts is crucial for targeted interventions.
• Previous research has not fully elucidated the specific cohort effects on adolescent depression in South Korea.

Purpose of the Study:

• To investigate changes in depressive symptoms among adolescents from 8th to 10th grade.
• To compare the depressive symptom trajectories between the 1997 and 2000 birth cohorts.
• To identify the presence and impact of cohort effects on adolescent depression.

Main Methods:

• Utilized latent growth curve modeling and multi-group analysis.
• Analyzed data from the Korean Children and Youth Panel Survey.
• Compared depressive symptom trajectories of 2,070 students (2000-birth cohort) and 2,278 students (1997-birth cohort).

Main Results:

• A significant cohort effect was observed in adolescent depression levels.
• The 2000-birth cohort exhibited significantly lower initial depression levels (17.75) compared to the 1997-birth cohort (19.49).
• Both age and cohort effects influence adolescent depression.

Conclusions:

• Adolescent depression is shaped by both developmental (age) and generational (cohort) factors.
• Potential societal events, such as the 2012 mental health screening and the 2014 Sewol Ferry Disaster, may have influenced the observed cohort effect.
• Further research is needed to explore these influences and inform mental health strategies for adolescents.