Background Studies have suggested that the symptoms of knee osteoarthritis (OA) are
rather weakly associated with radiographic findings and vice versa. Our objectives were to …

Objectives: To investigate the claim that 90% of episodes of low back pain that present to
general practice have resolved within one month. Design: Prospective study of all adults …

Study Design. A modified Delphi study conducted with 28 experts in back pain research from
12 countries. Objective. To identify standardized definitions of low back pain that could be …

Study Objectives: To investigate the incidence, persistence, and consequences of insomnia
and their associations with psychological health and pain. Design: A population based, …

Objectives: To quantify the relative contribution of premorbid and episode specific factors in
determining the long term persistence of disabling symptoms of low back pain. Design:…

Although pain is experienced at all ages, there is uncertainty about the pattern of its
occurrence in older people. We have investigated the prevalence of three aspects of self-reported …

The objective of the study was to examine the 1-year cumulative incidence of episodic neck
pain and to explore its associations with individual risk factors, including a history of previous …

Study Design: This report gives the results of a population-based cross-sectional mailed
questionnaire, with prospective follow-up of survey responders and nonresponders. Objective: …

STUDY OBJECTIVE: To investigate the association of sexual problems with social, physical,
and psychological problems. DESIGN: An anonymous postal questionnaire survey. …

Background: it is believed that the prevalence of back pain decreases around the middle of
the sixth decade. However, back pain is still among the most commonly reported symptoms …