From: Adverse health manifestations in the hands of vibration exposed carpenters - a cross sectional study
Carpenters - examined | Carpenters - not examined - same companies | Carpenters - not examined - other companies | |
---|---|---|---|
N (%) | N (%) | N (%) | |
Age, mean (min.-max.) | 40 (17–65) | 46 (23–67) a | 45 (19–66) b |
Negative neural manifestations | |||
Impaired perception of touch | 15 | 25 | 25 |
Impaired perception of cold | 10 | 17 | 17 |
Impaired perception of warmth | 12 | 23 | 18 |
Tendency to drop things | 12 | 18 | 23 |
Difficulty buttoning clothes | 7 | 14 | 19 |
Impaired grip strength | 18 | 28 | 33 |
Positive neural manifestations | |||
Increased sensation of cold | 35 | 49 | 45 |
Numbness or tingling | 26 | 46 | 41 |
Cramp | 14 | 33 | 28 |
Shaking | 14 | 21 | 23 |
Hand sweat | 18 | 18 | 21 |
Provoked manifestations | |||
White fingers when cold or damp | 9 | 32c | 30d |
Pain when cold | 24 | 44 | 46 |
Musculoskeletal manifestations | |||
Hand/elbow pain | 31 | 50 | 53 |
Neck/shoulder pain | 35 | 61 | 57 |