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dc.contributor.authorScharaga, Elyssa A.
dc.date.accessioned2018-07-12T17:42:09Z
dc.date.available2018-07-12T17:42:09Z
dc.date.issued2015
dc.identifier.citationSource: Dissertation Abstracts International, Volume: 77-03(E), Section: B.;Advisors: Roee Holtzer.
dc.identifier.urihttps://yulib002.mc.yu.edu/login?url=http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqm&rft_dat=xri:pqdiss:3664453
dc.identifier.urihttps://hdl.handle.net/20.500.12202/1562
dc.description.abstractObjective: To examine the separate roles that pain severity and pain-related interference play in moderating dual-task performance costs on primary gait and secondary cognitive interference tasks in a walking while talking dual-task in community-dwelling older adults. Participants and Methods: A cross-sectional sample of 330 non-demented community-dwellers (age 65 -- 95 years, 56% females) completed a self-report measure, the Pain Scale in the Medical Outcomes Study Functioning and Well-Being Profile. Participants' gait speed was calculated for normal walk (NW) and walking while talking (WWT) on an instrumented walkway. Cognitive performance was measured by percent accuracy in a serial 7's subtraction task in both tasks in single and WWT conditions. Results: Of the 64% of older adults who reported mild to severe pain in the past month, 77% reported pain-interference in at least one aspect of their social, emotional, and/or physical functioning. Participants with pain interference had significantly reduced gait speed in NW compared to participants experiencing pain without interference and participants without pain, [F(2,330) = 4.49,p = .012]. An adjusted linear mixed effects model revealed participants with pain interference demonstrated less dual-task cost in velocity compared to those without pain, (beta = -5.38; 95% CI= -10.45 to -0.22,p = .041). Participants with severe pain had significantly reduced gait speed in NW compared to older adults without pain and mild pain, F(3,330) = 5.6.0, p = .001]. When comparing older adults with severe pain directly to those without pain, a significant moderating effect on gait speed was also observed, (beta = -8.83; 95% CI= -17.58 to - .0.09, p < .05). Conclusion: Results suggest that a cognitively demanding interference task (e.g., serial 7 subtractions) may disrupt processing of pain signals that typically interfere with gait when assessed under single task conditions. Pain interference and severity resulted in reduced dual-task costs in gait speed. Cognitive interference tasks might be used as a distraction to facilitate more efficient locomotion in older adults with pain under attention demanding conditions.
dc.publisherProQuest Dissertations & Theses
dc.subjectBehavioral sciences.
dc.subjectAging.
dc.subjectHealth sciences.
dc.titleThe Effect of Pain When Older Adults Walk and Talk
dc.typeDissertation


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