title: Individual factors associated with neck disability in patients with cervical radiculopathy scheduled for surgery: a study on physical impairments, psychosocial factors, and life style habits.
abstract: OBJECTIVE
  The influence of individual factors on patient-reported outcomes is important in the interpretation of disability and treatment effectiveness. The purpose of this study was to assess how physical impairments, psychosocial factors, and life style habits were associated with neck disability based on the Neck Disability Index (NDI), in patients with cervical radiculopathy scheduled for surgery.
  
  
  METHODS
  This cross-sectional study included 201 patients (105 men, 96 women; mean age 50 years). Data included self-reported measures and a clinical examination. Multiple linear regressions were performed to identify significant influencing factors.
  
  
  RESULTS
  Pain, physical impairments in the cervical active range of motion, low self-efficacy, depression, and sickness-related absences explained 73% of the variance in NDI scores (p < 0.001).
  
  
  CONCLUSIONS
  Assessments of physical impairments and psychosocial factors in patients with cervical radiculopathy could improve the description of neck disability and the interpretation of treatment outcomes in longitudinal studies.
authors.affiliation: Division of Physiotherapy, Department of Medical and Health Sciences, Faculty of Health Sciences, Linköping University, 58183, Linköping, Sweden, Johanna.Wibault@liu.se.
authors.forename: Johanna
authors.initials: J
authors.lastname: Wibault
authors.forename: Birgitta
authors.initials: B
authors.lastname: öberg
authors.forename: Åsa
authors.initials: Å
authors.lastname: Dedering
authors.forename: Håkan
authors.initials: H
authors.lastname: Löfgren
authors.forename: Peter
authors.initials: P
authors.lastname: Zsigmond
authors.forename: Liselott
authors.initials: L
authors.lastname: Persson
authors.forename: Anneli
authors.initials: A
authors.lastname: Peolsson
mesh_terms: D000328:Adult; D000368:Aged; D002574:Cervical Vertebrae; D003430:Cross-Sectional Studies; D003863:Depression / Q000453:epidemiology; D004185:Disability Evaluation; D006233:Persons with Disabilities; D005260:Female; D006801:Humans; D008019:Life Style; D008297:Male; D008875:Middle Aged; D019547:Neck Pain / Q000209:etiology*; D010147:Pain Measurement; D011843:Radiculopathy / Q000503:physiopathology*; D016896:Treatment Outcome; D055815:Young Adult