Table 1 Participant characteristics (n = 136)
From: An epigenome-wide association study of insulin resistance in African Americans
| Â | Mean (SD) |
|---|---|
Demographics | |
 Age (years) | 41.6 (10.0) |
Health-related behavior factors | |
 Smoking, n (%) | |
  Never | 9 (6.6) |
  Current | 100 (73.5) |
  Former | 27 (19.9) |
 Alcohol consumption, n (%) | |
  No | 28 (20.6) |
  Yes | 108 (79.4) |
 Body Mass Index (BMI), kg/m2 | 27.2 (6.1) |
 Obesity (BMI ≥ 30), n (%) | 40 (29.4) |
Blood samples | |
 Fasting glucose (mmol/L) | 4.8 (0.6) |
 Insulin (pmol) | 80.5 (44.6) |
 HOMA-IR | 1.19 (1.13) |
Immune cells (%) | |
 CD4 + cells | 18.0 (6.4) |
 CD8 + cells | 8.7 (7.1) |
 Natural killer cells | 6.1 (4.5) |
 B cells | 7.9 (3.6) |
 Monocytes | 9.4 (3.1) |
 Granulocytes | 49.9 (11.5) |