Back Pain Functional Scale

 

Original Editor - Sinead Greenan

Top Contributors - Sinead Greenan and Claire Knott  

Objective

The Back Pain Functional Scale is a self-report measure that evaluates functional ability in people with back pain.

Intended Population

People suffering from back pain

Method of Use

The BPFS consists of 12 items:

  1. Usual work, housework, or school activities
  2. Usual hobbies, recreational, or sporting activities
  3. Performance of heavy activities around your home
  4. Bending or stooping
  5. Putting on your shoes or socks
  6. Lifting a box of groceries from the floor
  7. Sleeping
  8. Standing for 1 hour
  9. Walking 1 mile
  10. Going up or down 2 flights of stairs (about 20 steps)
  11. Sitting for 1 hour
  12. Driving for 1 hour


Responses Points
Unable to perform activity 0
Extreme difficulty 1
Quite a bit of difficulty 2
Moderate difficulty 3
A little bit of difficulty 4
No difficulty 5


Total Score = Sum of points from all 12 measures

Adjusted Total Score = Total Score / 60

Interpretation:

  • Minimum Score: 0
  • Maximum Score: 60
  • Maximum Adjusted Score: 1 (100%)
  • The higher the score the greater the patient's functional ability


Total Score (Adjusted) Interpretation
0 (0%) unable to perform any activity
60 (100%) no difficulty in any activity

Reference

Evidence

Reliability

Test-retest Reliability

Back Pain:
(Stratford et al, 2000, Back Pain) [1]

  • Excellent test-retest reliability (ICC = 0.88 (95% CI: 0.77, 0.94))

(Stratford and Binkley, 2000, Back Pain) [2]

  • Excellent test-retest reliability (ICC = 0.82)

Interrater/Intrarater Reliability

Not established

Internal Consistency

Back Pain:
(Stratford et al, 2000, Back Pain) [1]

  • Excellent internal consistency (ICC = 0.93 (95% CI: 0.90 - 0.96))

(Stratford and Binkley, 2000, Back Pain) [2]

  • Excellent internal consistency (ICC = 0.93)

Validity

Not established

Responsiveness

Not established

Miscellaneous

Links

Back Pain Functional Scale (PDF)

Recent Related Research (from Pubmed)

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References

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  1. 1.0 1.1 Stratford, P. W., Binkley, J. M., et al. "Development and initial validation of the back pain functional scale." Spine 2000 25(16): 2095-2102.
  2. 2.0 2.1 Stratford, P. W. and Binkley, J. M. "A comparison study of the back pain functional scale and Roland Morris Questionnaire. North American Orthopaedic Rehabilitation Research Network." J Rheumatol 2000 27(8): 1928-1936.