Long-term trends in central obesity in England: an age-period-cohort approach
Authors' conclusion
Central obesity measures, particularly WHtR, could provide a more consistent reflection of age-related increases in obesity risk. The linear increase in high-risk with age for central obesity measures aligns better with known age-related increases in obesity-related comorbidities. Age plays a significant role in driving obesity trends meaning an aging population could leading to further increases in the prevalence of obesity.
Study context
- Population
- Individuals aged 11–89 years, born in 1919–2008, Health Survey for England (2005–2021)
- Participants
- 120,024 individuals
- Outcome
- Age, period and cohort effects on high-risk waist circumference (WC), waist-to-hip ratio (WHR), WHtR and BMI
Methodological detailsage-period-cohort study, logistic regression with grouped variables
- Age-period-cohort study
- Logistic regression with grouped variables
Main finding
As reported in the abstract
High-risk waist-to-height ratio (WHtR), age 85-89 vs 18-19 years, females: OR
4.91 (1.95-12.39) (95% CI)
High-risk WHtR, age 85-89 vs 18-19 years, males: OR
6.15 (2.24-16.89) (95% CI)
High-risk WHtR, period 2019-2021 vs 2005-2006, females: OR
1.41 (1.16-1.72) (95% CI)
High-risk WHtR, period 2019-2021 vs 2005-2006, males: OR
1.25 (1.01-1.55) (95% CI)
Observational data: associations, not effects.
Original publication
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