Haplotype analysis of COMT and CWP
↵* Wald test.
↵† Adjusted for centre.
APS, average pain sensitivity; COMT, catechol-O-methyltransferase; CWP, chronic widespread pain; EMAS, European Male Ageing Study; EPIFUND, Epidemiology of Functional Disorders study; HPS, high pain sensitivity; LPS, low pain sensitivity.