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Childhood socioeconomic position and cognitive function in adulthood
G A Kaplan1, G Turrell, J W Lynch
1Department of Epidemiology, School of Public Health, The University of Michigan, Ann Arbor 48109-2029, USA. gkaplan@umich.edu
International Journal of Epidemiology
|May 23, 2001
Summary
Childhood socioeconomic status significantly impacts adult cognitive function, independent of education. Parental socioeconomic position, particularly mother's education, is linked to better cognitive performance, potentially reducing dementia risk.
Area of Science:
- Neuroscience
- Public Health
- Sociology
Background:
- Limited education is linked to higher dementia risk and poorer cognitive function.
- Childhood socioeconomic environment's impact on adult cognition requires further investigation.
Purpose of the Study:
- To determine if childhood socioeconomic environment affects cognitive functioning in middle age.
- To explore the relationship between parental socioeconomic position and cognitive abilities in adulthood.
Main Methods:
- Population-based study of 496 Finnish men aged 58-64.
- Assessed parental socioeconomic position (SEP), respondent's education, and neuropsychological test performance.
- Cognitive function measured using Trail Making Test, Selective Reminding Test, Verbal Fluency Test, Visual Reproduction Test, and Mini Mental State Exam.
Main Results:
- A graded association exists between parental SEP and cognitive function, even after adjusting for education.
- Individuals from disadvantaged backgrounds performed worse on cognitive tests.
- Mother's education was independently associated with cognitive function across multiple tests, while father's occupation showed a weaker association.
Conclusions:
- Higher childhood socioeconomic status and educational attainment are linked to better adult cognitive function.
- Maternal education plays a significant role in offspring's cognitive development and later-life ability.
- Improving socioeconomic circumstances and education may enhance cognitive function and lower dementia risk.