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156140 https://hdl.handle.net/2286/R.I.48997 http://rightsstatements.org/vocab/InC/1.0/ All Rights Reserved 2018 75 pages : illustrations (one color) Masters Thesis Academic theses Text eng Thummala, Kirti Davis, Mary C. Zautra, Alex Okun, Morris Arizona State University Partial requirement for: M.A., Arizona State University, 2018 Includes bibliographical references (pages 45-57) Field of study: Psychology Prevailing models describing coping with chronic pain posit that it is a complex day-to-day process that can involve psychosocial factors, including cognitive appraisals about pain, interpersonal challenges such as distressed social relationships, and reduced engagement in enjoyable experiences. Few studies, however, have applied a process-oriented approach to elaborate the relations between key pain-related appraisals, social environmental factors, and self-efficacy, a key self-appraisal for successful adaptation to chronic pain. This study used within-day daily diary methodology to test the following hypotheses: (a) increases in morning pain catastrophizing predict decreases in end of day pain self-efficacy; (b) increases in perceived stressfulness of interpersonal relations occurring during the day exacerbate the negative effects of morning catastrophizing on end-of-day pain self-efficacy; and (c) increases in perceived enjoyment of interpersonal relations occurring during the day mitigate the negative effects of morning pain catastrophizing on end of day pain self-efficacy. Within-day measures, including morning pain catastrophizing, afternoon interpersonal stress and enjoyment ratings, and end-of-day pain self-efficacy, were collected for 21 days via an automated phone system from 223 participants with widespread chronic pain. The use of diary data allowed for examination of time-varying processes related to pain adaptation. Results of multilevel regression models indicated that, consistent with prediction, increases in morning pain catastrophizing and predicted decreases in end-of-day pain self-efficacy. Contrary to prediction, changes in midday interpersonal enjoyment and stress did not moderate the within-day catastrophizing-efficacy relation. Rather increases in midday enjoyment and stable individual differences in enjoyment predicted end-of-day efficacy. Overall, findings suggest a within-day relation between pain cognition and social context and subsequent self-efficacy, and highlight potential targets for intervention in chronic pain. Clinical Psychology Catastrophizing Chronic Pain Interpersonal Self-efficacy Social Chronic pain--Psychological aspects. Interpersonal relations--Health aspects. Interpersonal relations Do daily fluctuations in interpersonal experiences moderate the relation between catastrophizing and self-efficacy in individuals with chronic pain?