Socio-economic differences in body mass index: the contribution of genetic factors
Authors' conclusion
Better understanding of the interplay between genes and environment provides insight into the mechanisms explaining SEP differences in BMI.
Study context
- Population
- Participants of Finnish health surveys 1992–2017 with measured weight and height, PGS-BMI and register-linked educational attainment, occupation-based social class and personal income; 53% women53% women
- Participants
- 33,523 participants
- Exposure
- Lower vs higher socioeconomic position
- Outcome
- BMI differences by socioeconomic position and the contribution of polygenic risk scores of BMI
Methodological detailspooled Finnish health surveys 1992–2017, linked administrative register data, polygenic risk scores
- Pooled Finnish health surveys 1992–2017
- Linked administrative register data
- Polygenic risk scores
Main finding
As reported in the abstract
Adjusted BMI difference, basic vs tertiary education
Men: basic vs tertiary educated, adjusted body mass index (BMI) difference
1.4 kg/m²
95% CI 1.2; 1.6
Women: basic vs tertiary educated, adjusted BMI difference
2.5 kg/m²
95% CI 2.3; 2.8
Observational data: associations, not effects.
Original publication
Socio-economic differences in body mass index: the contribution of genetic factors. Int J Obes (Lond). Published 10 January 2024. doi:10.
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