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Estimated metabolic equivalents (METs) (average ± SD) by the Duke Activity Status Index (DASI) at baseline through 5 years of follow-up by household income <$20,000, $20,000–$49,999, $50,000–$99,999, and ≥$100,000, respectively. The line of best-fit between baseline and through 5 years of follow-up was fit with a polynomial function.
