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. Author manuscript; available in PMC: 2010 Jul 20.
Published in final edited form as: Health Econ. 2009 Jun;18(6):645–663. doi: 10.1002/hec.1394

Table 1.

Sociodemographic and Clinical Characteristics of TRIAD Participants (N=11,927)

Characteristic Percent+ or Mean (SD)
Female (0.01% missing) 53%
Race/Ethnicity (7.73% missing)
    Latino 16%
    African-American 17%
    White 42%
    Asian/Pacific Islander 16%
    Other 9%
Age Group (0.00% missing)
    18 to 44 12%
    45 to 64 49%
    65 to 74 26%
    75 and above 13%
Education (3.40% missing)
    < High School 23%
    High School Graduate 30%
    Some College 28%
    ≥ 4 Years of College 18%
Annual Income (13.16% missing)
    <$15,000 29%
    $15,000 to $39,999 32%
    $40,000 to $74,999 24%
    >$75,000 15%
Insurance (7.31% missing)
    Has (secondary) Medicare insurance 24%
    Has (secondary) public insurance (Medicaid, VA, or “other”) 10%
    Has (secondary) private insurance 4%
Diabetes Medications (0.00% missing)
    Insulin 18%
    Insulin plus oral medications 12%
    Oral medications only 62%
    No medications 8%
Body Mass Index (3.48% missing)
    Very obese 12%
    Obese 41%
    Overweight 32%
    Normal 16%
Self-Assessed Health (0.94% missing)
    Excellent or very good 22%
    Good 40%
    Fair or poor 38%
Years Since Diabetes Diagnosis (6.25% missing) 11.98 (SD= 10.28)
Physical Component Score (9.23% missing) 43.30 (SD= 7.11)
Mental Component Score (9.23% missing) 44.84 (SD= 6.65)
Foot symptoms (16.03% missing)* 4.93 (SD=2.48)
Whether had amputation (11.24% missing)* 2%
+

Percentages calculated among those with non-missing data only

*

Included in foot care regressions only

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