Table 8.

Prevalence (%) of symptoms among the examined carpenters (N = 193), non-examined carpenters at the same companies, but working at other sites from the ones that were examined (N = 202), and at other companies (N = 297) (all men)

	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

^aData missing from 14 subjects

^bData missing from 5 subjects

^cData missing from 68 subjects

^dData missing from 52 subjects