Table 2 Distribution of mean γH2AX foci/cell ± SD according to age of the donor and personal habits
Characteristics | n | Mean Age in years ± SD | Mean dose in mGy/y ± SD | Total no. of Cells scored (no. of γH2AX foci observed) | Mean γH2AX foci/ cell ± SD | Number of cells with | ||||
|---|---|---|---|---|---|---|---|---|---|---|
1 γH2AX focus (%) | 2 γH2AX foci (%) | 3 γH2AX foci (%) | 4 γH2AX foci (%) | 5 γH2AX foci (%) | ||||||
Age years ≤ 29 |  31 | 26.0 ± 3.6 | 6.37 ± 5.53 | 8366 (789) | 0.098 ± 0.042 | 578 (6.91) | 79 (0.94) | 13 (0.16) | 1 (0.01) | 2 (0.02) |
 30–34 | 39 | 31.7 ± 1.4 | 6.87 ± 5.97 | 10,182 (790) | 0.078 ± 0.037 | 647 (6.35) | 47 (0.46) | 12 (0.12) | 2 (0.02) | 1 (0.01) |
 35–39 | 45 | 36.9 ± 1.5 | 7.08 ± 6.91 | 11,838 (977) | 0.084 ± 0.042 | 787 (6.65) | 63 (0.53) | 11 (0.09) | 4 (0.03) | 3 (0.03) |
 40–44 | 36 | 42.0 ± 1.5 | 9.22 ± 9.08 | 9241 (892) | 0.099 ± 0.058 | 730 (7.9) | 59 (0.64) | 12 (0.13) | 2 (0.02) | 0 (0) |
 45–49 | 29 | 46.8 ± 1.3 | 12.65 ± 9.73 | 7410 (694) | 0.097 ± 0.06 | 541 (7.3) | 47 (0.63) | 14 (0.19) | 3 (0.04) | 1 (0.01) |
 ≥ 50 | 20 | 52.0 ± 2.8 | 7.76 ± 9.87 | 5186 (592) | 0.114 ± 0.033 | 436 (8.41) | 54 (1.04) | 12 (0.23) | 3 (0.06) | 0 (0) |
Smoking - No | 122 | 37.5 ± 8.6 | 7.8 ± 7.35 | 32,256 (2911) | 0.092 ± 0.047 | 2288 (7.09) | 213 (0.66) | 41 (0.13) | 11 (0.03) | 6 (0.02) |
Smoking - Yes | 78 | 38.9 ± 7.7 | 8.8 ± 8.85 | 19,967 (1823) | 0.093 ± 0.048 | 1431 (7.17) | 136 (0.68) | 33 (0.17) | 4 (0.02) | 1 (0.01) |
Drinking No | 56 | 38.2 ± 9.4 | 7.77 ± 8.6 | 15,124 (1403) | 0.096 ± 0.052 | 1062 (7.02) | 109 (0.72) | 25 (0.17) | 7 (0.05) | 4 (0.03) |
Drinking - Yes | 144 | 38.0 ± 7.9 | 8.35 ± 7.72 | 37,099 (3331) | 0.091 ± 0.045 | 2657 (7.16) | 240 (0.65) | 49 (0.13) | 8 (0.02) | 3 (0.01) |
Total | 200 | 38.1 ± 8.3 | 8.19 ± 7.96 | 52,223 (4734) | 0.092 ± 0.047 | 3719 (7.12) | 349 (0.67) | 74 (0.14) | 15 (0.03) | 7 (0.01) |