Please select the eligibility criteria that correspond to the clinical trial below.
Title: Health Education vs. Health Education Plus Physical Therapy for Low Back Pain Patients
Brief Summary: The primary purpose of this study is to assess the effectiveness of a brief educational program and of an additional program in physical therapy, for the treatment of low back pain in Primary Care of the Spanish National Health Service. This is a controlled, cluster randomized community trial.


Options:
A: Inclusion Criteria:

* Back/neck pain with or without headache for at least two weeks and at least three times per week
* Resident of Stockholm County
* Literate in Swedish
* Willing and able to comply with study requirements

Exclusion Criteria:

* Specific pathology and severe causes of back/neck pain such as malignant disease, vertebral fractures and severe or progressive neurological symptoms.
B: Inclusion Criteria:

* Consultation for low back pain, with or without referred or radiated pain; no signs of systemic disease or criteria for surgery.

Exclusion Criteria:

* Inability to fill out the questionnaires (blindness, dementia, illiteracy; total habitual prostration;
* Diagnosis of rheumatologic inflammatory disease, fibromyalgia or cancer in last 5 years;
* Suspicion of fibromyalgia.
C: Inclusion Criteria:

1. Low Back Pain lasting more than 12 weeks with or with out pain radiating into the leg(s)
2. Age 18 - 60 years

Exclusion Criteria:

1. Serious spinal pathology

   1. Malignancy
   2. Osteoporosis,
   3. Fresh vertebral fracture
   4. Newly operation on the back
   5. Stenosis of the lumbar spine
   6. Unstable spondylolistesis
   7. Infections in the back
2. Neurological dysfunction of the thoracic or abdominal muscles
3. Pregnancy/breastfeeding
4. Mental illness
5. Health conditions which prohibit intensive training.
6. Languish problems/ dyslexia
D: Inclusion Criteria:

* Low back pain as the main symptom for at least one year.
* Structured physiotherapy or chiropractic treatment for at least 6 months without (significant) effect.
* Oswestry Disability Index score of 30% points or more
* Degenerative changes in the intervertebral disc in one or both of the two lowest levels of the lumbar spine (L4/L5 and/or L5/S1). (Degenerative changes are classified based on MR findings according to the following criteria: At least 40% reduction of disc height, Modic changes type I and/or II, "High intensity zone" in the disc, Morphological changes classified as changes in signal intensity in the disc. To classify the disc as degenerative the first criteria alone or at least two of the other criteria must be present. The MR series are evaluated by two independent observers.)

Exclusion Criteria:

* Generalized chronic pain syndrome (widespread myofascial pain)
* Degeneration established in more than two levels. To be classified as a normal disc, the disc height must not be reduced more than 40% and all other criteria of degenerative disc disease aforementioned must be absent. The classification of a normal disc is performed by two independent observers. If disagreement, the pictures will be classified by a third observer and the outcome decided by simple majority.
* Symptoms of spinal stenosis
* Disc protrusion or recess stenosis with nerve root affection
* Spondylolysis
* Isthmic spondylolisthesis
* Arthritis
* Former fracture of L1 - S1
* Ongoing psychiatric or somatic disease that excludes either one or both treatment alternatives
* Does not understand Norwegian language, spoken or in writing
* Drug abuse
* Osteoporosis
* Congenital or acquired deformity

Answer: B