Table 2

Association between incidence of carpal tunnel syndrome and work skill level (25–64-year age group).

Incidence per 1000 (95% CI)
Un-and semi-skilled labourSkilled labour and higher
1987
 Male0.9 (0.2 to 1.6)1.0 (0.5 to 1.6)
 Female4.2 (2.3 to 5.8)2.6 (1.5 to 3.8)
2001
 Male1.4 (0.9 to 2.0)1.4 (1.0 to 1.7)
 Female5.4 (4.4 to 6.4)3.5 (2.9 to 4.1)