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Invariance of SCL-90-R dimensions of symptom distress in patients with peri partum pelvic pain (PPPP) syndrome.

AbstractOBJECTIVES:
There are no studies available that have examined the factorial invariance of dimensions underlying the Symptom Checklist-90-Revised (SCL-90-R) across at least three distinct samples. In the following study, we wished to determine whether a dimensional model comprising eight primary factors previously identified in psychiatric out-patients, phobics and the general population (Arrindell & Ettema, 2003) could be extended to a homogeneous sample of pain patients comprising females suffering from peri partum pelvic pain (PPPP) syndrome (N = 413). The internal consistency and discriminant validity of the dimensions were also examined.
METHOD:
The SCL-90-R and measures of disability, pain-related fear, pain intensity and fatigue were administered to the participants. The multiple group method was used to determine factorial invariance. Pearson correlations were determined between the SCL-90-R and aforementioned measures.
RESULTS:
The factorial invariance of an 8-dimensional model of primary factors underlying the SCL-90-R, namely, agoraphobia, anxiety, depression, somatization, cognitive-performance deficits, interpersonal sensitivity-mistrust, acting-out hostility and sleep difficulties, was extended with success to the present sample of PPPP patients. In spite of substantial correlations between the internally consistent SCL-90-R symptom dimensions, some evidence of discriminant validity was reported in that specific subscales showed different patterns of correlations with measures of disability, pain-related fear, pain intensity and fatigue.
CONCLUSIONS:
The 8-dimensional system based on the work of Arrindell and Ettema (2003) was invariant across psychiatric patients, phobics, the general population and pain patients. The invariance of the SCL-90-R hostility dimensions may have implications for a re-formulation of Watson and Clark's tripartite model of general distress, specific anxiety and specific depression.
AuthorsW A Arrindell, Dick P H Barelds, Irene C M Janssen, Femke M Buwalda, Jan van der Ende
JournalThe British journal of clinical psychology (Br J Clin Psychol) Vol. 45 Issue Pt 3 Pg. 377-91 (Sep 2006) ISSN: 0144-6657 [Print] England
PMID17147103 (Publication Type: Journal Article)
Topics
  • Adult
  • Agoraphobia (diagnosis, psychology, rehabilitation)
  • Anxiety (diagnosis, psychology)
  • Anxiety Disorders (diagnosis, psychology, rehabilitation)
  • Back Pain (diagnosis, psychology, rehabilitation)
  • Depressive Disorder (diagnosis, psychology, rehabilitation)
  • Disability Evaluation
  • Fatigue (diagnosis, psychology, rehabilitation)
  • Fear
  • Female
  • Humans
  • Middle Aged
  • Pain Clinics
  • Pain Measurement (statistics & numerical data)
  • Pelvic Pain (diagnosis, psychology, rehabilitation)
  • Personality Inventory (statistics & numerical data)
  • Psychometrics
  • Puerperal Disorders (diagnosis, psychology, rehabilitation)
  • Reproducibility of Results
  • Sick Role
  • Somatoform Disorders (diagnosis, psychology, rehabilitation)
  • Statistics as Topic
  • Syndrome

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