| Group 1 (n = 5) (nonradicular) | Group 2 (n = 6) (true radiculopathy) | Group 3 (n = 9) (pseudoradiculopathy) | Group 4 (n = 4) (peripheral neuropathy) |
Social/economic status | Working middle class | Working middle class | Working middle class | Working middle class |
Ethnic composition & age range | White Caucasian, 36 - 55 years | White Caucasian, 28 - 31 years | White Caucasian, 26 - 58 years | White Caucasian, 30 - 50 years |
Occupational backgrounds represented | Construction, retail/grocery | Healthcare, office/clerical | Construction, retail/grocery | Sales, office work |