{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T09:16:15Z","timestamp":1774343775649,"version":"3.50.1"},"reference-count":54,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,2,25]],"date-time":"2026-02-25T00:00:00Z","timestamp":1771977600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,2,25]],"date-time":"2026-02-25T00:00:00Z","timestamp":1771977600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Pain"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>This study aimed to understand the associations between stress intensity, characteristics that trigger a physiological stress responses (Sense of lack of control, social evaluative Threat, Unpredictability, Novelty; STUN) and the experience of momentary pain intensity and its variability among adults living with chronic low back pain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Participants (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009181) completed electronic diaries three times daily for 7\u2009days that measured pain and stress intensity (Numeric Rating Scale\u201011) and the extent to which stressors were attributable to the STUN characteristics. Data was analysed using a Mixed\u2010Effects Location Scale Model.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A 1\u2010point increase in between\u2010subject (BS) stress intensity was associated with a 0.70 point (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001) increase in pain intensity. For every 1\u2010point increase in BS and within\u2010subject (WS) perceived lack of control, pain intensity increased respectively by 0.128 and 0.040 point (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01). A 1\u2010point increase in WS novelty was associated with a 0.05\u2010point decrease in pain intensity (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). There was more homogeneity in pain scores across participants at higher levels of WS stress intensity, WS perceived lack of control (\u03b2\u2009=\u2009\u22120.032) and BS perceived novelty (\u03b2\u2009=\u2009\u22120.243) (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). Participants' own pain intensity ratings were not more or less consistent or erratic as a function of their stress levels.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Stress intensity is associated with pain intensity and with BS variance in pain ratings. STUN characteristics were inconsistently associated with pain variance, but lack of perceived control and novelty might be associated with pain intensity. Future research should clarify the role of STUN characteristics, above stress intensity, in pain intensity and pain variability.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Significance Statement<\/jats:title>\n                    <jats:p>This study advances understanding of stress\u2013pain dynamics by applying the integrative STUN framework to chronic low back pain. Findings reveal that perceived lack of control amplifies pain, whereas novel experiences reduce it. By identifying specific stress characteristics influencing pain variability, this work highlights innovative intervention targets, emphasising the potential of fostering novelty and re\u2010evaluating control perceptions in chronic pain management.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ejp.70240","type":"journal-article","created":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T12:37:48Z","timestamp":1772973468000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Stress Characteristics and Their Associations With Pain Intensity: An Ecological Momentary Assessment Study"],"prefix":"10.1002","volume":"30","author":[{"given":"Karen","family":"Ghoussoub","sequence":"first","affiliation":[{"name":"Centre de Recherche du Centre Hospitalier de l'Universit\u00e9 de Montr\u00e9al (CRCHUM)  Montr\u00e9al Canada"},{"name":"Department of Psychology, Faculty of Arts and Sciences Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mael","family":"Gagnon\u2010Mailhot","sequence":"additional","affiliation":[{"name":"Centre de Recherche du Centre Hospitalier de l'Universit\u00e9 de Montr\u00e9al (CRCHUM)  Montr\u00e9al Canada"},{"name":"Department of Psychology, Faculty of Arts and Sciences Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c9lise","family":"Develay","sequence":"additional","affiliation":[{"name":"Centre de Recherche du Centre Hospitalier de l'Universit\u00e9 de Montr\u00e9al (CRCHUM)  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pierre","family":"Rainville","sequence":"additional","affiliation":[{"name":"Department of Stomatology, Faculty of Dental Medicine Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Canada"},{"name":"Centre de Recherche de l'Institut Universitaire de G\u00e9riatrie de Montr\u00e9al (CRIUGM)  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sonia","family":"Lupien","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Addictology Faculty of Medicine, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lise","family":"Dassieu","sequence":"additional","affiliation":[{"name":"Centre de Recherche du CIUSSS\u2010du\u2010Nord\u2010de\u2010l'\u00eele\u2010de\u2010Montr\u00e9al  Montr\u00e9al Canada"},{"name":"School of Social Work Universit\u00e9 du Qu\u00e9bec \u00e0 Montr\u00e9al  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mathieu","family":"Roy","sequence":"additional","affiliation":[{"name":"Department of Psychology Faculty of Science, McGill University  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c9tienne","family":"Vachon\u2010Presseau","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry McGill University  Montr\u00e9al Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7742-2717","authenticated-orcid":false,"given":"M. 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