Purpose Chronic stress is likely a common experience among people with the language impairment of aphasia. Importantly, chronic stress reportedly alters the neural networks central to learning and memory—essential ingredients of aphasia rehabilitation. Before we can explore the influence of chronic stress on rehabilitation outcomes, we must be able to measure chronic stress in this population. The purpose of this study was to (a) modify a widely used measure of chronic stress (Perceived Stress Scale [PSS]; Cohen & Janicki-Deverts, 2012) to fit the communication needs of people with aphasia (PWA) and (b) validate the modified PSS (mPSS) with PWA. Method Following systematic modification of the PSS (with permission), 72 PWA completed the validation portion of the study. Each participant completed the mPSS, measures of depression, anxiety, and resilience, and provided a sample of the stress hormone cortisol extracted from the hair. Pearson's product–moment correlations were used to examine associations between mPSS scores and these measures. Approximately 30% of participants completed the mPSS 1 week later to establish test–retest reliability, analyzed using an interclass correlation coefficient. Results Significant positive correlations were evident between the reports of chronic stress and depression and anxiety. In addition, a significant inverse correlation was found between reports of chronic stress and resilience. The mPSS also showed evidence of test–retest reliability. No association was found between mPSS score and cortisol level. Conclusion Although questions remain about the biological correlates of chronic stress in people with poststroke aphasia, significant associations between chronic stress and several psychosocial variables provide evidence of validity of this emerging measure of chronic stress.
Background People with aphasia (PWA) report higher levels of stress in comparison to stroke survivors without aphasia. If untreated, chronic stress is known to have detrimental effects to the body and brain and can negatively impact health and well-being. According to extant literature, self- and proxy-report agreement on objective domains is higher than on subjective domains, like chronic stress. In addition, high levels of mutuality, also known as shared feelings between two people, have been strongly associated with low levels of stress in stroke survivors. Little is known, however, of the agreement between self-report and caregiver proxy-report on perceived chronic stress or mutuality in PWA. Purpose The proposed study sought to examine (a) the degree of agreement between caregiver proxy-report and PWA self-report on perceived stress and (b) the relationship between perceived stress and mutuality between PWA and their caregivers. Method The Modified Perceived Stress Scale and the Mutuality Scale were administered to 21 PWA/caregiver dyads. An independent-samples t test was conducted to determine if there were significant differences in perceived stress and mutuality as reported by PWA, their caregiver, and their caregiver's proxy-report. A Pearson correlation was performed to determine the level of agreement across questionnaires. Results There was a moderate correlation between the proxy-report and self-report for perceived stress. On average, proxy-reports for perceived stress were significantly higher than PWA self-reports. Overall, mutuality was high among the dyads. There was moderate agreement between caregiver's mutuality and proxy-report agreement on perceived stress. Lastly, our findings do not indicate that caregiver's perceived stress influenced their perception of the PWA's perceived stress. Conclusion The results of this study provide support for the use of proxy-derived information in perceived stress with the use of a mutuality scale.
Objective The purpose of this study was to examine the unique contribution of psychosocial factors, including perceived social support, depression, and resilience to communicative participation, among adult survivors of head and neck cancer (HNC). Study Design Cross-sectional. Setting University-based laboratory and speech clinic. Subjects and Methods Adult survivors of HNC who were at least 2 years posttreatment for HNC completed patient-reported outcome measures, including those related to communicative participation and psychosocial function. Multiple linear regression analysis was conducted to predict communicative participation. Self-rated speech severity, cognitive function, laryngectomy status, and time since diagnosis were entered first as a block of variables (block 1), and psychosocial factors were entered second (block 2). Results Eighty-eight adults who were on average 12.2 years post-HNC diagnosis participated. The final regression model predicted 58.2% of the variance in communicative participation (full model R = 0.58, P < .001). Self-rated speech severity, cognitive function, laryngectomy status, and time since diagnosis together significantly predicted 46.1% of the variance in block 1. Perceived social support, depression, resilience, and interactions significantly and uniquely predicted 12.1% of the additional variance in block 2. Conclusion For clinicians, psychosocial factors such as perceived depression warrant consideration when counseling patients with HNC about communication outcomes and when designing future studies related to rehabilitation.
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