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Table 1 Characteristics of the study population (n = 450)

From: Association of leukocyte DNA methylation changes with dietary folate and alcohol intake in the EPIC study

  Mean (SD) Min-Max
Age at blood collection (years) 52 (9) 26–73
Weight (kg) 66 (11) 40–103
Height (cm) 161 (7) 143–196
BMI (kg/m2) 26 (4) 16–43
Alcohol intake (g/day) 8 (12) 0–72
Blood folate level (nmol/L) 15 (10) 1–89
Dietary folate (μg/day) 270 (106) 91–1012
Cd8t (%) 7.5 (4) 0–23
Cd4t (%) 13.5 (5) 0–34
Natural killer (%) 6.7 (5) 0–27
B cells (%) 6.1 (2) 0–17
Monocytes (%) 5.7 (3) 0–17
Granulocytes (%) 60.8 (9) 27–85
  N %
Menopausal status
 Pre-menopause 186 41.3
 Post-menopause 264 58.7
Smoking status
 Never 250 55.6
 Former 93 20.7
 Smoker 104 23.1
 Missing 3 0.7
Physical activity index [58]
 Inactive 99 22.0
 Moderate inactive 187 41.5
 Moderate active 75 16.7
 Active 78 10.7
 Missing 11 2.4
  1. SD standard deviation, reported for continuous variables only