J. David Cassidy

Learn More
Introduction There are substantial differences in the number of disability benefits for occupational low back pain (LBP) among countries. There are also large cross country differences in disability policies. According to the Organization for Economic Cooperation and Development (OECD) there are two principal policy approaches: countries which have an(More)
BACKGROUND Traffic collisions often result in a wide range of symptoms included in the umbrella term whiplash-associated disorders. Mid-back pain (MBP) is one of these symptoms. The incidence and prognosis of different traffic injuries and their related conditions (e.g. neck pain, low back pain, depression or others) has been investigated previously;(More)
BACKGROUND AND OBJECTIVE Despite being common early in life and affecting individuals' quality of life to the same degree as neck and low back pain, research into epidemiological aspects of mid-back pain (MBP) has been scarce. The purpose of our systematic review was therefore to describe the incidence and prognosis of MBP in the general population. The(More)
Introduction This research explored the experience of clinicians during the transition from working as an interdisciplinary team to providing a transdisciplinary model of care in a functional restoration program (FRP) for clients with chronic disabling musculoskeletal pain. Methods This qualitative study used a grounded theory approach to data collection(More)
Although whiplash is a common cause of disability, there is usually no demonstrable pathology and this leaves scope for moral hazard in claims for loss of earnings. Using weekly data about temporary disability, prescription drug purchases and the use of health services during 1996-2007, we examine the effects of a Danish 2002 reform that extended the period(More)
The secretariat of the Bone and Joint Decade Task Force on Neck Pain and Associated Disorders welcomes the interest of Drs. Dreyfuss and Baker in our findings regarding radiofrequency neurotomy [1]. We are happy to elaborate why we found the two studies cited in their letter scientifically inadmissible to the best evidence synthesis. Firstly, we noted that(More)
  • 1