Variable | Reference group | Aluminium exposed groups | p Value for mean differences | |||||
---|---|---|---|---|---|---|---|---|
Mild steel welders (n=39) | Smelters (n=119) | Flake powder (n=16) | Welders (n=38) | |||||
Frequency: | ||||||||
Dominant hand | 2.86 (0.52) | 2.81 (0.72) | 3.10 (0.72) | 2.69 (0.62) | NS | |||
Non-dominant hand | 2.67 (0.44) | 2.50 (0.55) | 2.89 (0.60) | 2.49 (0.53) | NS | |||
Amplitude: | ||||||||
Dominant hand | 97.2 (15.8) | 97.1 (17.5) | 98.8 (14.7) | 104.6 (15.6) | p<0.05 | |||
Non-dominant hand | 101.0 (15.17) | 103.0 19.7) | 98.9 (11.1) | 106.5 (16.6) | NS |