Inclusion Criteria:

• Must live in the United States
• Must understand and write English
• Must have access to a computer with e-mail and expect to have this access for at least 3 years
• Must be 18 years old
• Must have seen a doctor for back pain at least once in the past year

Exclusion Criteria:

• Pregnancy
• Back surgery in the past 6 months
• Expectation of having back surgery in the next 6 months
• Back pain due to a car accident or other major injury within the last 6 months
• Back pain or sciatica due to systemic disease (inflammatory rheumatic diseases, tumor, or other)
• Major physical or mental health condition for which one is currently being treated that severely limits daily activities
• Terminal illness
• Receiving disability or workers compensation insurance payments for back pain or sciatica
• Presently involved in legal proceedings because of back pain or sciatica
• Difficulty with bladder or bowel control that began with back pain or sciatica
• No visits to a doctor in the past year for back pain or sciatica
• Numbness in crotch area that began with back pain or sciatica
• Age under 18