US Adult Obesity vs US Health Expenditure

US Adult Obesity and US Health Expenditure correlate at r = +0.94 over 24 years (2000–2023), p < 0.0001. With the time trend removed, r = +0.64. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = 0.64). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r: +0.94
p-value: < 0.0001
Years compared (n): 24 (2000–2023)
95% confidence interval: 0.86 to 0.97
Correlation with the time trend removed: +0.64

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 Health Expenditure (% of GDP): World Bank. US Health Expenditure (World Bank indicator SH.XPD.CHEX.GD.ZS).

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.