Psychological predictors of change in the number of musculoskeletal pain sites among Norwegian employees: a prospective study.
Jan Olav ChristensenSissel JohansenStein KnardahlPublished in: BMC musculoskeletal disorders (2017)
Several psychological and physiological factors predicted change in the number of pain sites. There is a need for further investigations to identify possible mechanisms by which psychological and behavioral factors propagate the spread of pain.