Table 2. H3K4me3 in nickel smelting and office workers with different lengths of service (nmol/mg prot).
Groups | working years (20 individuals per group) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
0–4.99 | 5–9.99 | 10–14.99 | 15–19.99 | 20–24.99 | 25–19.99 | 30+ | Total | rs | P | |
Smelting | 37.71±1.13 | 44.26±1.22 | 36.23±1.11 | 45.15±1.58 | 49.90±1.09 | 42.52±2.01 | 52.98±1.52 | 47.24±20.85 | 0.267 | 0.001* |
Office | 13.60±1.54 | 16.28±1.31 | 20.09±1.60 | 20.70±1.51 | 23.34±1.36 | 25.79±1.28 | 31.19±1.11 | 22.65±8.81 | 0.608 | 0.000* |
t’ | 10.320 | 11.372 | 6.514 | 5.015 | 12.995 | 3.167 | 4.427 | 12.859 | ||
P | 0.000* | 0.000* | 0.000* | 0.000* | 0.000* | 0.000* | 0.000* | 0.000* |
Note: *P < 0.05 was here considered statistically significant.