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Prevalence of Extreme Trait Sensory Profiles and Personality Types in Nonspecific Chronic Low Back Pain with Predominant Central Sensitization: Secondary Analysis of an International Observational…

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Title
Prevalence of Extreme Trait Sensory Profiles and Personality Types in Nonspecific Chronic Low Back Pain with Predominant Central Sensitization: Secondary Analysis of an International Observational Study.
Published in
Pain physician, May 2019
Pubmed ID
Authors

Clark, Jacqui R, Nijs, Jo, Smart, Keith, Holmes, Paul, Yeowell, Gillian, Goodwin, Peter C

Abstract

Individuals with nonspecific chronic low back pain (NSCLBP) and central sensitization (CS) exhibit sensory hypersensitivity that may be related to pre-existing trait characteristics. Sensory profiles and trait anxiety-related characteristics have sensory sensitivity in common with CS. The objectives of this study were 1) to observe the prevalence of 4 personality types and extreme scores of 4 trait sensory profiles in people with NSCLBP and predominant CS; and 2) to compare these between 2 subgroups based on high and low self-reported CS symptoms. An international cross-sectional observational study was undertaken. Adults (n = 165; mean age = 45 ± 12 standard deviation) were recruited from physiotherapy clinics across 3 countries and 2 continents. The inclusion criteria were: NSCLBP, aged 18-64 years, with clinically identified predominant CS pain, without specific pathology. The outcome measures were: Central Sensitization Inventory (CSI), Adolescent/Adult Sensory Profile, State/Trait Anxiety Inventory, and Marlowe Crowne Social Desirability Scale. Descriptive and comparative statistics were used. CSI scores ranged from 19-79 (mean = 50). There was a high prevalence of extreme 1) trait sensory hyper- and, unexpectedly, hyposensitivity profile scores (P < 0.001) and Defensive High Anxious personality type (P < 0.01) in the high-CSI (CSI>= 40; 78%) subgroup, and 2) trait sensory hyposensitivity profile scores (P < 0.01) and Repressor personality type (P < 0.01) in the low-CSI subgroup (CSI < 40; 22%). Self-report measures only were used; limited demographics. To our knowledge, these results are the first to demonstrate extreme trait sensory profiles and personality types in people with NSCLBP and predominant CS. A subgroup who reports low levels of CS symptoms may have a hyposensitive sensory profile and Repressor personality type. Further study is required to investigate the extent to which these trait characteristics may predict CS symptoms in people with NSCLBP. Central sensitization, nonspecific chronic low back pain, prevalence of extreme trait characteristics, sensory profiles, trait anxiety-related personality types.

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Mendeley readers

The data shown below were compiled from readership statistics for 12 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 12 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 42%
Unspecified 3 25%
Researcher 1 8%
Student > Postgraduate 1 8%
Other 1 8%
Other 0 0%
Unknown 1 8%
Readers by discipline Count As %
Medicine and Dentistry 4 33%
Nursing and Health Professions 3 25%
Unspecified 3 25%
Psychology 1 8%
Unknown 1 8%