From: The effect of age on DNA methylation in whole blood among Bangladeshi men and women
 | Males (N = 189) | Females (N = 211) |  | ||
---|---|---|---|---|---|
 | N | % | N | % | P value* |
Age | Â | Â | Â | Â | 0.0099* |
 <35 | 36 | 19.0 | 50 | 23.7 |  |
 ≥35-<45 | 61 | 32.3 | 53 | 25.1 |  |
 ≥45-<55 | 67 | 35.4 | 57 | 27.0 |  |
 ≥55 | 25 | 13.2 | 51 | 24.2 |  |
BMI | Â | Â | Â | Â | 0.2527* |
 <18.5 | 65 | 34.4 | 87 | 41.2 |  |
 ≥18.5-<24.5 | 99 | 52.4 | 106 | 50.2 |  |
 ≥24.5 | 25 | 13.2 | 18 | 8.5 |  |
Smoking |  |  |  |  | < 0.0001* |
 Never | 7 | 3.7 | 102 | 48.3 |  |
 Ever | 182 | 96.3 | 109 | 51.7 |  |
Urinary Total Arsenic Concentration (μg/g) |  |  |  |  | 0.0004* |
 <15 | 62 | 32.8 | 36 | 17.1 |  |
 ≥15 - < 37.5 | 48 | 25.4 | 54 | 25.6 |  |
 ≥37.5 - < 104.2 | 46 | 24.3 | 54 | 25.6 |  |
 ≥104.2 | 33 | 17.5 | 67 | 31.8 |  |
 | mean | range | mean | range | P value* |
Average Blood Cell Percentages (estimated by MethylSpectrum) | |||||
 CD8T | 0.22 | 0.07–0.38 | 0.2 | 0.05–0.42 | 0.0437* |
 CD4T | 0.07 | 0–0.25 | 0.05 | 0–0.23 | 0.0016* |
 NK | 0.02 | 0–0.09 | 0.03 | 0–0.09 | < 0.0001* |
 Bcell | 0.08 | 0.03–0.20 | 0.08 | 0.02–0.15 | 0.8230* |
 Mono | 0.07 | 0–0.14 | 0.08 | 0–0.15 | 0.0046* |
 Gran | 0.48 | 0.34–0.63 | 0.49 | 0.31–0.70 | 0.0909* |