Pain behavior predictors among Fibromyalgia (FM) patients

This study was designed to assess the reliability and validity of a

Pain Behavior Observation method with fibromyalgia syndrome

(FS) subjects and to determine the factors which predict pain

behavior among FS subjects. Fifty-eight female FS subjects

participated in the videotaped Pain Behavior Observation

method. Subjects also completed the McGill Pain Questionnaire

(MPQ), the Arthritis Impact Measurement Scale (AIMS), and the

Symptoms Checklist-90-Revised (SCL-90-R). Pain behavior totals

were derived using the Pain Behavior Observation method of

McDaniel et al. (1986). Results indicated that the scoring

method of Keefe and Block (1982) developed for use with back

pain patients was more generalizable to this FS sample. Total

pain behavior score using the Keefe and Block scoring method

was correlated with self-report pain. Interrater reliability

ranged from 0.9 to 0.99. Hierarchical multiple regression

analyses revealed that age and physical disability predicted

the total pain behaviors.

The Pain Behavior Observation method appears a valid pain

measurement technique independent of depression among FS

patients. Directions for future research are discussed.

Baumstark KE, Buckelew SP, Sher KJ, Beck N, Buescher KL, Hewett J,

Crews TM

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