Affect balance style, experimental pain sensitivity, and pain-related responses
The Clinical Journal of Pain, 05/16/2012Sibille KT et al.
Findings from the study suggest that among healthy adults, trait affect patterns are associated with ischemic experimental pain sensitivity and other pain–related measures.
Participants (n=372) completed quantitative sensory testing, pain–related questionnaires, and the Positive and Negative Affect Scale.
ABS groups were categorized as Healthy (high PA, low NA), Low (low PA, low NA), Depressive (low PA, high NA), and Reactive (high PA, high NA).
Z–scores were computed for 3 experimental pain measures: ischemic, pressure, and heat.
ABS groups significantly differed on ischemic pain sensitivity and pain–related measures.
Specifically, the Healthy group demonstrated lower ischemic pain sensitivity compared with the Reactive group (P=0.02); the Depressive and Reactive groups endorsed higher somatic symptoms compared with the Healthy group (P<0.02); the Low and Depressive groups reported more physical stimuli sensitivity than the Healthy group (P<0.02); and the Reactive group indicated more passive coping strategies then the Low and Healthy groups (P=0.001).
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