Association Between the Korean Healthy Eating Index (KHEI) and Healthcare Costs Among Adults: The Korea National Health and Nutrition Examination Survey (KNHANES) 2016 and 2021.

Nutrients · 2025 · PMC12251669 · PMID 40647341

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hedged sentence

0.0610

closest p · 1.2× alpha

0.0610

boldest claim

The sentences

did not reach statistical significancep = 0.061so close (0.05 < p ≤ 0.1)

In sensitivity analyses treating KHEI as a continuous variable, higher KHEI scores were associated with significantly lower inpatient costs (β = −0.002; 95% CI: −0.004 to −0.001; p = 0.003) and total medical costs (β = −0.003; 95% CI: −0.004 to −0.001; p = 0.001), whereas the association with outpatient costs did not reach statistical significance ( p = 0.061).

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