Table 1 Summary of groups

1. Chiropractors

N = 7

3 male, 4 female

Average experience of treating

Spinal patients = 5.2 years

Average spinal workload = 98.57% of total workload

2. General Practitioners

N = 8

6 male, 2 female

Average years in practice = 20.63 years

3. Osteopaths

N = 8

7 male, 1 female

Average experience of treating

Spinal patients = 10.88 years

Average spinal workload = 97.5% of total workload

4. Physiotherapists

N = 8

4 male, 4 female

Average experience of treating

Spinal patients = 22.75 years

Average spinal workload = 81.25% of total workload

5. Women

N = 7

C2DE, aged 20-39

No history of back pain

6. Men

N = 7

C2DE, aged 20-39

With a history of back pain

7. Women

N = 7

ABC1, aged 40-60

With a history of back pain

8. Men

N = 7

ABC1, aged 20-39

No history of back pain

9. Men

N = 7

C2DE, aged 40-60

With a history of back pain