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Table 1 Baseline Characteristic, 2005–2010 NHANES

From: Incremental decreases in quality-adjusted life years (QALY) associated with higher levels of depressive symptoms for U.S. Adults aged 65 years and older

  Number Percenta S.E.
Total 3,680 100.0% -
Age: mean (SD) 3,680 73.3 (5.7)
 65–74 1,979 57.6% 1.3%
 75+ 1,701 42.4% 1.3%
Sex
 Men 1,866 44.6% 0.8%
 Women 1,814 55.4% 0.8%
Race
 Non-Hispanic whites 2,338 83.5% 1.5%
 Non-Hispanic blacks 615 8.0% 0.9%
 Hispanics 635 5.8% 0.9%
 Other 92 2.6% 0.5%
Income
 <138% FPLb 500 8.9% 0.6%
 ≥138% FPL 2,877 91.1% 0.6%
Education
 ≤High school 2,269 54.7% 2.0%
 >High school 1,404 45.3% 2.0%
Married or with partner
 Yes 2,071 60.7% 1.3%
 Noc 1,609 39.3% 1.3%
Co-morbidities
 0 or 1 1,139 35.7% 1.6%
 2 or more 2,341 64.3% 1.6%
PHQ-9 Score
 0–4 2,863 82.1% 0.8%
 5–9 494 13.8% 0.6%
 10–14 122 3.2% 0.3%
 15–19 43 0.8% 0.1%
 20–27 8 0.2% 0.1%
  1. a Weighted percent, accounted for sampling design, noncoverage, and nonresponse
  2. b Federal Poverty Level, where 138% FPL is the Medicaid income eligibility limit
  3. c Divorced, separated, never married, widowed