Mothers living with HIV (MLH) are at high risk for acute and chronic stress, given challenges related to their HIV status, ethnicity, economic and urban living conditions. Biomarkers combined into a composite index show promise in quantifying psychosocial stress in healthy people, but have not yet been examined among MLH. According, we examined potential biomarker correlates of stress [cortisol and catecholamines from home-collected urine and basic health indicators (blood pressure, height and weight, waist-to-hip ratio) measured during an interview] among 100 poor African American and Latina mothers MLH and demographic-matched control mothers without HIV (n = 50). Participants had been enrolled in a randomized controlled trial about 18 months earlier and had either received (MLH-I) or were awaiting (MLH-W) the psychosocial intervention. Participation was high, biomarkers were correctly collected for 93% of cases, and a complete composite biomarker index (CBI) calculated for 133 mothers (mean age = 42). As predicted, MLH had a significantly higher CBI than controls, but there was no CBI difference across ethnicity or intervention group. CBI predicted CD4 counts independently after controlling for age, years since diagnosis, prior CD4 counts, medication adherence, and depression symptoms. The study demonstrates acceptability, feasibility and potential utility of community-based biomarker collections in evaluating individual differences in psychosocial stress.
Animal and human studies demonstrate an association between smaller hippocampal volume and stress. A composite index of peripheral biomarkers used to objectively quantify human psychosocial stress has demonstrated utility, but has not yet been linked to hippocampal volume in putative 'high stress' groups. Structural magnetic resonance imaging exams and a composite of biomarkers representing cardiovascular, atherosclerosis, hypothylamic-pituitary-adrenal axis, glucose metabolism, and sympathetic nervous system activity were assessed in 30 healthy women with histories of stress precipitated by their child's diagnosis of a life-threatening illness. Hippocampal volume was significantly predicted by age, time since stressor onset, and the composite. An objective biomarker index may improve temporal tracking of brain changes in relation to stress-related psychological symptoms, with implications for basic and clinical research.
The National CLAS Standards are intended to advance health equity, improve quality, and help eliminate health care disparities by establishing a blueprint for health and health care organizations to: Principal Standard: 1. Provide effective, equitable, understandable, and respectful quality care and services that are responsive to diverse cultural health beliefs and practices, preferred languages, health literacy, and other communication needs. Governance, Leadership, and Workforce: 2. Advance and sustain organizational governance and leadership that promotes CLAS and health equity through policy, practices, and allocated resources. 3. Recruit, promote, and support a culturally and linguistically diverse governance, leadership, and workforce that are responsive to the population in the service area. 4. Educate and train governance, leadership, and workforce in culturally and linguistically appropriate policies and practices on an ongoing basis. Communication and Language Assistance: 5. Offer language assistance to individuals who have limited English proficiency and/or other communication needs, at no cost to them, to facilitate timely access to all health care and services. 6. Inform all individuals of the availability of language assistance services clearly and in their preferred language, verbally and in writing. 7. Ensure the competence of individuals providing language assistance, recognizing that the use of untrained individuals and/or minors as interpreters should be avoided. 8. Provide easy-to-understand print and multimedia materials and signage in the languages commonly used by the populations in the service area. Engagement, Continuous Improvement, and Accountability: 9. Establish culturally and linguistically appropriate goals, policies, and management accountability, and infuse them throughout the organization's planning and operations. 10. Conduct ongoing assessments of the organization's CLAS-related activities and integrate CLASrelated measures into measurement and continuous quality improvement activities. 11. Collect and maintain accurate and reliable demographic data to monitor and evaluate the impact of CLAS on health equity and outcomes and to inform service delivery.
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