Table 1 Comparison of the basic situation of the three groups of workers.
From: Knockdown of LncRNA MEG3 promotes damage of vascular endothelial cells induced by vibration
Variables | Control (n = 50) | non-VWF (n = 50) | VWF (n = 50) | F/χ2 | P |
|---|---|---|---|---|---|
Age, y | 34.50 ± 5.75 | 35.92 ± 6.16 | 39.86 ± 6.70 | 9.979 a |  < 0.001 |
Length of service, y | 10.70 ± 6.21 | 6.98 ± 6.84 | 11.92 ± 5.39 | 16.949 a |  < 0.001 |
Smoking, n (%) | 21(29.6) | 24(33.8) | 26(36.6) | 1.016 b | 0.048 |
Drinking, n (%) | 32(36.0) | 26(29.2) | 31(34.8) | 1.713 b | 0.079 |
Hand symptoms, n (%) | 3(4.1) | 23(31.1) | 48(64.9) | 81.348 b |  < 0.001 |