• Carlos Suso-Ribera, Sullivan Michael J L MJL Department of Psychology, McGill University, Montreal, Canada., and Santiago Suso-Vergara.
• Department of Basic and Clinical Psychology and Psychobiology, Jaume I University, Castellón de la Plana, Spain.
• Pain Res Manag. 2018 Jan 1; 2018: 7927656.

BackgroundPast decades have seen a surge of studies investigating the role of spouses in chronic illness. The present study explored an interpersonal model of health-related quality of life in chronic pain settings. Spouse personality was tested as a moderator of pain intensity-to-health associations in patients with chronic pain.MethodsThis is a cross-sectional study. Participants were 185 noncancer chronic pain patients and their spouses. Patients were mostly females (58.4%). Mean age was approximately 56 years for patients and spouses. Patients completed a measure of pain intensity, health-related quality of life, and personality. Spouses also reported on their personality characteristics. Spouse personality was used as the moderator in the relationship between patients' pain intensity and health status. Patient personality was used as a covariate in the moderation analyses.ResultsSpouse neuroticism moderated the relationship between pain intensity and physical health status, while spouse introversion moderated the pain-to-mental health association.ConclusionsResults support the idea that the relationship between a chronic stressor, namely, chronic pain, and health-related quality of life may be complex and contextually determined by spousal characteristics. Clinical implications are discussed in the context of couples.

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