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US Adult Obesity vs US Cereal Yield
US Adult Obesity and US Cereal Yield correlate at r = +0.95 over 45 years (1980–2024), p < 0.0001. With the time trend removed, r = -0.04. Likely spurious (shared time trend).
Verdict: Likely spurious (shared time trend). Both series mostly just trend over time. After removing that trend the correlation collapses to -0.04 — the relationship is probably coincidental, not causal.
- Pearson r
- +0.95
- p-value
- < 0.0001
- Years compared (n)
- 45 (1980–2024)
- 95% confidence interval
- 0.91 to 0.97
- Correlation with the time trend removed
- -0.04
Sources
- US Adult Obesity (% of adults): Our World in Data. US Adult Obesity (Our World in Data: Obesity among adults, BMI >= 30 kg/m2 (crude estimate) (%) - Sex: both sexes - Age group: 18+ years of age).
- US Cereal Yield (kg per hectare): World Bank. US Cereal Yield (World Bank indicator AG.YLD.CREL.KG).
Related pairs
- US Adult Obesity vs US Population (r = +1.00)
- US Median Age vs US Adult Obesity (r = +0.99)
- US Marriage Rate vs US Adult Obesity (r = -0.98)
- US Adult Obesity vs US Resident Patent Applications (r = +0.98)
- US Adult Obesity vs US Mobile Subscriptions (r = +0.98)
- US Adult Obesity vs US Internet Users (r = +0.98)
Correlation does not imply causation. How the verdict is worked out.