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Table 1 Sample Characteristics by Race and Ethnicity (n = 11,272)

From: Using quantile regression to investigate racial disparities in medication non-adherence

  Race/Ethnicity Category
Variable All NHW NHB Other
Age (years mean, sd) 66 (11.6) 68 (10.7) 64 (12.3) 66 (11.7)
Male 97.3 97.8 96.6 97.2
Female 2.7 2.2 3.4 2.8
Married 65.2 67.2 58.3 68.8
Divorced 28.6 28.1 31.6 26.3
Never Married 6.2 4.7 10.1 4.8
Unemployed 48.2 48.8 53.0 42.0
Retired 30.8 32.7 25.4 33.1
Employed 20.8 18.4 21.6 24.5
Cancer 5.0 5.2 7.5 2.1
CHD 13.9 20.0 12.4 4.6
CHF 8.0 10.0 9.3 3.1
Hypertension 25.7 29.2 33.8 10.7
Stroke 3.0 4.1 3.1 1.0
HbA1c 8+ 11.6 10.0 15.5 10.3
HbA1c (% mean, sd) 7 (0.9) 7 (0.9) 7 (1) 7 (0.9)
Bipolar Disorder 1.9 2.2 2.5 0.6
Generalized Anxiety Disorder 2.2 3.1 1.9 0.7
Major Depressive Disorder 7.8 8.8 10.5 3.0
Post Traumatic Stress Disorder 5.1 4.6 7.9 3.0
Psychotic Disorder 2.4 1.7 4.9 1.1
Substance Use Disorder 14.4 14.7 21.4 6.4
Dead 16.4 19.0 16.5 11.7
MPR (mean, sd) 90.4 (0.2) 91.2 (0.2) 88.7 (0.3) 90.7 (0.3)
MPR (median, IQR) 97.1 (13) 97.1 (11) 95.0 (16) 100 (11.9)
  1. NHW-non-Hispanic white; NHB-non-Hispanic black;
  2. CHD-coronary heart disease; CHF-congestive heart failure;
  3. HbA1c-glycosolated hemoglobin (%);
  4. MPR-medication possession ratio
  5. MPR values are reported in percentages.