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US Egg Consumption per Person vs US Adult Obesity

US Egg Consumption per Person and US Adult Obesity correlate at r = +0.37 over 44 years (1980–2023), p = 0.013. With the time trend removed, r = -0.30. Direction flips without the trend.

Verdict: Direction flips without the trend. The raw correlation is 0.37, but once each series' time trend is removed it becomes -0.30. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.

Pearson r
+0.37
p-value
0.013
Years compared (n)
44 (1980–2023)
95% confidence interval
0.09 to 0.60
Correlation with the time trend removed
-0.30

Sources

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