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US Agriculture Value Added vs US Health Expenditure

US Agriculture Value Added and US Health Expenditure correlate at r = -0.45 over 22 years (2000–2021), p = 0.034. With the time trend removed, r = +0.07. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.034) and the association survives trend removal (detrended r = 0.07). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.45
p-value
0.034
Years compared (n)
22 (2000–2021)
95% confidence interval
-0.73 to -0.04
Correlation with the time trend removed
+0.07

Sources

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Correlation does not imply causation. How the verdict is worked out.