1
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Natale BN, Koffer RE, Fairlie SE, Dickman KD, Walsh CP, Marsland AL, Kamarck TW. Sex-specific associations between childhood trauma and adult systemic inflammation in daily life. Health Psychol 2024:2024-76214-001. [PMID: 38647448 DOI: 10.1037/hea0001382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
OBJECTIVE Childhood trauma may contribute to lifelong health through chronic systemic inflammation. However, associations between childhood trauma and inflammation are mixed, indicating that distinct types of childhood trauma may relate to inflammation differently. Moreover, most studies use a single assessment of inflammatory markers that may not reliably estimate stable interindividual differences. The current study is the first to examine relationships between childhood trauma and an ecologically valid measure of inflammation derived from repeated assessments of interleukin (IL)-6 in daily life. We also examine the possibility that glucocorticoid sensitivity and patterns of daily cortisol may contribute to observed associations. Finally, we explore whether biological sex moderates relationships between childhood trauma and IL-6. METHOD Participants were 283 healthy adults aged 40-64 (57% female, 23% Black, Indigenous, and People of Color) who completed the Childhood Trauma Questionnaire and self-collected dried blood spots at home on 4 days to measure IL-6. Measures of salivary cortisol and blood-based glucocorticoid sensitivity were also assessed. RESULTS Childhood trauma was not associated with IL-6 in the sample as a whole. However, exploratory analyses showed that childhood trauma related to IL-6 differently for males and females, such that total trauma and emotional neglect predicted higher IL-6 for males but not females. Results persisted after adjustment for covariates. There was no evidence for indirect effects via cortisol or glucocorticoid sensitivity. CONCLUSIONS Childhood trauma and, specifically, emotional neglect were associated with IL-6 in daily life among middle-aged males. Additional research is needed to elucidate biological and behavioral pathways underlying these associations. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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Affiliation(s)
| | - Rachel E Koffer
- Edson College of Nursing and Health Innovation, Arizona State University
| | | | | | - Catherine P Walsh
- Population Sciences in the Pacific Program, University of Hawaii Cancer Center, University of Hawaii at Manoa
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2
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Maxfield M, Beagley L, Peckham A, Guest MA, Giasson HL, Byrd DR, Mun CJ, Yu F, Ng TK, Pohl JS, Koffer RE, Andel R, Coon DW. Mirabella at Arizona State University: A Case Example in Innovation at a University-Based Retirement Community. Journal of Aging and Environment 2023. [DOI: 10.1080/26892618.2022.2158512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Molly Maxfield
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - Lindsey Beagley
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Mirabella at ASU, Arizona State University, Tempe, AZ, USA
| | - Allie Peckham
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - M. Aaron Guest
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - Hannah L. Giasson
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - DeAnnah R. Byrd
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - Chung Jung Mun
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Health Promotion and Disease Prevention, Edson College of Nursing and Health Innovation, Phoenix, AZ, USA
| | - Fang Yu
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - Ted K.S Ng
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - Janet S. Pohl
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - Rachel E. Koffer
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - Ross Andel
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
| | - David W. Coon
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
- Center for Innovation in Healthy and Resilient Aging, Arizona State University, Phoenix, AZ, USA
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3
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Jakubowski KP, Koffer RE, Matthews KA, Burnett-Bowie SAM, Derby CA, Yu EW, Green R, Thurston RC. Psychosocial impacts of the COVID-19 pandemic on women with trauma histories: Study of Women's Health Across the Nation (SWAN). J Trauma Stress 2023; 36:167-179. [PMID: 36463566 PMCID: PMC9877990 DOI: 10.1002/jts.22896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 09/23/2022] [Accepted: 09/30/2022] [Indexed: 12/07/2022]
Abstract
Older adults, particularly those with trauma histories, may be vulnerable to adverse psychosocial outcomes during the COVID-19 pandemic. We tested associations between prepandemic childhood abuse or intimate partner violence (IPV) and elevated depressive, anxiety, conflict, and sleep symptoms during the pandemic among aging women. Women (N = 582, age: 65-77 years) from three U.S. sites (Pittsburgh, Boston, Newark) of the longitudinal Study of Women's Health Across the Nation (SWAN) reported pandemic-related psychosocial impacts from June 2020-March 2021. Prepandemic childhood abuse; physical/emotional IPV; social functioning; physical comorbidities; and depressive, anxiety, and sleep symptoms were drawn from SWAN assessments between 2009 and 2017. There were no measures of prepandemic conflict. In total, 47.7% and 35.3% of women, respectively, reported childhood abuse or IPV. Using logistic regression models adjusted for age; race/ethnicity; education; site; prepandemic social functioning and physical comorbidities; and, in respective models, prepandemic depressive, anxiety, or sleep symptoms, childhood abuse predicted elevated anxiety symptoms, OR = 1.67, 95% CI [1.10, 2.54]; household conflict, OR = 2.19, 95% CI [1.32, 3.61]; and nonhousehold family conflict, OR = 2.14, 95% CI [1.29, 3.55]. IPV predicted elevated sleep problems, OR = 1.63, 95% CI [1.07, 2.46], and household conflict, OR = 1.96, 95% CI [1.20, 3.21]. No associations emerged for depressive symptoms after adjusting for prepandemic depression. Aging women with interpersonal trauma histories reported worse anxiety, sleep, and conflict during the COVID-19 pandemic than those without. Women's trauma histories and prepandemic symptoms are critical to understanding the psychosocial impacts of the pandemic.
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Affiliation(s)
- Karen P Jakubowski
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Rachel E Koffer
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, Arizona, USA
| | - Karen A Matthews
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Carol A Derby
- Department of Neurology, Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Elaine W Yu
- Endocrine Division, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Robin Green
- Department of Neurology, Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Rebecca C Thurston
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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4
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Koffer RE, Kamarck TW. A Longitudinal Study of Age-Based Change in Blood Pressure Reactivity and Negative Affect Reactivity to Natural Stressors. Psychosom Med 2022; 84:612-620. [PMID: 35412508 PMCID: PMC9219588 DOI: 10.1097/psy.0000000000001075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Aging is theoretically accompanied by emotional gains, but physiological self-regulatory losses. Emotional and physiological regulation can be operationalized as the extent of an increase in negative affect and blood pressure upon experiencing a stressor (i.e., reactivity). The direction of age-based changes in negative affect reactivity to stressors is uncertain. In addition, evidence for age-based increases in blood pressure reactivity to stressors is based largely on age-based differences observed in cross-sectional and laboratory-based studies. The present study is the first to examine long-term longitudinal changes in stress-related reactivity for both blood pressure and negative affect in the natural environment. METHODS A total of 375 healthy adults aged 50 to 70 years completed 6 days of hourly ambulatory blood pressure assessment and electronic diary reports of social conflict and task demand and control. Two hundred fifty-five participants repeated 3 days of assessment in a 6-year follow-up. With reactivity operationalized as the change in an outcome in association with momentary social conflict, task strain, or task demand (i.e., a model-derived slope parameter), multilevel models were used to assess aging-based change in blood pressure and negative affect reactivity over the course of the 6-year follow-up. RESULTS Aging is associated with increased diastolic blood pressure reactivity to social conflict and task demand (βsocial_conflict = 0.48, p = .007; βtask_demand = 0.19, p = .005), increases in negative affect reactivity to social conflict and task strain (βsocial_conflict = 0.10, p < .001; βtask_strain = 0.08, p = .016), and increases in systolic blood pressure reactivity to task-based stress (βtask_strain = 1.29, p = .007; βtask_demand = 0.23 p = .032). CONCLUSION Findings suggest age-based increases in affective and cardiovascular reactivity to natural stressors.
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Affiliation(s)
- Rachel E. Koffer
- Edson College of Nursing and Health Innovation, Arizona
State University
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5
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Chin BN, Dickman KD, Koffer RE, Cohen S, Hall MH, Kamarck TW. Sleep and Daily Social Experiences as Potential Mechanisms Linking Social Integration to Nocturnal Blood Pressure Dipping. Psychosom Med 2022; 84:368-373. [PMID: 35067650 PMCID: PMC8976736 DOI: 10.1097/psy.0000000000001045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Socially integrated individuals are at lower risk of cardiovascular disease morbidity and mortality compared with their more isolated counterparts. This association may be due, in part, to the effect of social integration on nocturnal blood pressure (BP) decline or "dipping," a physiological process associated with decreased disease risk. However, the pathways linking social integration with nocturnal BP dipping are unknown. We sought to replicate the association between social integration and BP dipping, and to test whether sleep characteristics (duration, regularity, continuity) and/or daily social interactions (frequency, valence) helped to explain the association. METHODS A total of 391 healthy midlife adults completed an actigraphy assessment protocol that measured sleep. During four actigraphy assessment days, participants also completed ambulatory BP monitoring and ecological momentary assessment protocols that measured BP and social interactions at regular intervals throughout the day. Social integration was assessed via a questionnaire. RESULTS Linear regression controlling for age, sex, race, education, and body mass index indicated that higher levels of social integration were associated with greater nocturnal BP dipping, as indicated by a smaller ratio of night/day mean arterial pressure (β = -0.11, p = .031). Analyses of indirect effects suggested that this association was explained, in part, by greater sleep regularity among more integrated individuals. We did not find evidence for other hypothesized indirect effects. CONCLUSIONS This was the first study to investigate sleep and social mechanisms underlying the link between social integration and nocturnal BP dipping. Because sleep regularity is modifiable, this pathway represents a potential intervention target to promote nocturnal BP dipping.
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Affiliation(s)
- Brian N Chin
- From the Department of Psychiatry (Chin, Koffer, Hall, Kamarck) and Department of Psychology (Dickman, Hall, Kamarck), University of Pittsburgh; and Department of Psychology (Cohen), Carnegie Mellon University, Pittsburgh, Pennsylvania
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6
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Koffer RE, Thurston RC, Bromberger JT, Matthews KA. Racial/Ethnic Differences in Women's Life Event Exposure Across Midlife. J Gerontol B Psychol Sci Soc Sci 2021; 77:272-283. [PMID: 33560407 PMCID: PMC8824596 DOI: 10.1093/geronb/gbab024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Indexed: 01/28/2023] Open
Abstract
OBJECTIVE Stressful life events are associated with poorer physical, cognitive, and mental health. Examining life events trends across midlife illustrates normative experiences of stress in a critical life period for intervention and disease prevention. Further, there is a critical need for research with racially/ethnically diverse samples to identify differences in life event exposure, as they may relate to later health disparities. METHOD Annual life event reports were analyzed from 3,066 White, Black, Hispanic, Chinese, and Japanese women in the Study of Women's Health Across the Nation. Across ages 43-65, longitudinal trajectories were fit to annual number of life events and 9 subcategories of life events (i.e., work problems, economic problems, partner unemployment, illness/accident of loved one, caregiving, bereavement, relationship problems, family legal/police problems, and violent events that happened to the self or family). Racial/ethnic differences were examined, controlling for education. RESULTS Number of annual life events declined with age and plateaued in later midlife. This pattern was largely consistent across types of life events, though family health and bereavement-related life events increased in later midlife. Compared to White women, Black women experienced more life events, while Chinese, Hispanic, and Japanese women experienced fewer life events. Racial/ethnic differences were amplified in specific subtypes of life events. DISCUSSION Racial/ethnic differences in exposure to life events across midlife may contribute to racial/ethnic health disparities in later life.
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Affiliation(s)
- R E Koffer
- Department of Psychiatry, University of Pittsburgh, Pennsylvania, USA,Address correspondence to: R. E. Koffer, PhD, Department of Psychiatry, University of Pittsburgh, 201 N. Craig Street, Suite 200, Pittsburgh, PA 15213, USA. E-mail:
| | - R C Thurston
- Department of Psychiatry, University of Pittsburgh, Pennsylvania, USA
| | - J T Bromberger
- Department of Psychiatry, University of Pittsburgh, Pennsylvania, USA
| | - K A Matthews
- Department of Psychiatry, University of Pittsburgh, Pennsylvania, USA
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7
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Greaney JL, Koffer RE, Saunders EFH, Almeida DM, Alexander LM. Self-Reported Everyday Psychosocial Stressors Are Associated With Greater Impairments in Endothelial Function in Young Adults With Major Depressive Disorder. J Am Heart Assoc 2020; 8:e010825. [PMID: 30741602 PMCID: PMC6405663 DOI: 10.1161/jaha.118.010825] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Background Despite the epidemiological associations between psychological stress, depression, and increased cardiovascular disease risk, no studies have examined the relation between naturally occurring psychosocial stressors and directly measured microvascular function in adults with major depressive disorder (MDD). We tested the hypothesis that young adults with MDD exposed to everyday psychosocial stressors would exhibit more severe impairments in endothelium‐dependent dilation (EDD) compared with: (1) healthy nondepressed adults (HCs); and (2) adults with MDD without acute psychosocial stress exposure. Methods and Results Twenty HCs (22±1 years) and 23 otherwise healthy adults with MDD (20±0.3 years) participated in the study. Participants completed a psychosocial experiences survey to document their exposure to any of 6 stressors over the preceding 24 hours (eg, arguments, work stressors). Red cell flux (laser Doppler flowmetry) was measured during graded intradermal microdialysis perfusion of acetylcholine (10−10 to 10−1mol/L). EDD was expressed as a percentage of maximum vascular conductance (flux/mm Hg). Multiple linear regression was used to determine the associations between stress, EDD, and MDD. Adults with MDD reported a greater number and severity of psychosocial stressors compared with HCs (all P<0.05). EDD was blunted in adults with MDD (HCs: 91±2 versus MDD: 74±3%; P<0.001). Exposure to any stressor was related to more severe impairments in EDD in patients with MDD (no stressor: 81±3 versus 1+ stressors: 69±5%; P=0.04) but not in HCs (P=0.48). Conclusions These data indicate that exposure to everyday psychosocial stressors is associated with greater impairments in endothelial function in patients with MDD, suggesting a potential mechanistic link between daily stress and depression in increased cardiovascular risk.
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Affiliation(s)
- Jody L Greaney
- 1 Noll Laboratory Department of Kinesiology The Pennsylvania State University State College PA
| | - Rachel E Koffer
- 2 Department of Human Development and Family Studies The Pennsylvania State University State College PA
| | | | - David M Almeida
- 2 Department of Human Development and Family Studies The Pennsylvania State University State College PA
| | - Lacy M Alexander
- 1 Noll Laboratory Department of Kinesiology The Pennsylvania State University State College PA
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Koffer RE, Kamarck TW. LONGITUDINAL EVIDENCE FOR DISCREPANT CHANGES IN NEGATIVE AFFECT REACTIVITY AND BLOOD PRESSURE REACTIVITY WITH AGE. Innov Aging 2019. [PMCID: PMC6846559 DOI: 10.1093/geroni/igz038.2290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Both affective and blood pressure (BP) reactivity are associated with long term risk of chronic disease and mortality. Thus, understanding age-related changes in negative affect and BP responses to everyday demands is vital for promoting healthy aging. However, few studies have examined both psychological and BP reactivity simultaneously, which would provide more comprehensive understanding of regulatory processes at play. For the present study, 232 adults aged 50-70 years were assessed at baseline and 6 years later with ambulatory BP monitoring and momentary electronic diaries. Reactivity coefficients were output from multilevel models and used to test changes in negative affective and ambulatory BP reactivity to task demand, longitudinally. Results indicate that both systolic and diastolic BP reactivity increase with age, while negative affect reactivity does not change with age. Results are discussed in the context of life course theories of role strain and role changes and socioemotional theories of aging.
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Affiliation(s)
- Rachel E Koffer
- University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Thomas W Kamarck
- University of Pittsburgh, Pittsburgh, Pennsylvania, United States
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9
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Lee S, Koffer RE, Sprague BN, Charles ST, Ram N, Almeida DM. Activity Diversity and Its Associations With Psychological Well-Being Across Adulthood. J Gerontol B Psychol Sci Soc Sci 2019; 73:985-995. [PMID: 27621306 DOI: 10.1093/geronb/gbw118] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 08/14/2016] [Indexed: 01/13/2023] Open
Abstract
Objectives This study examined age-related cross-sectional and longitudinal associations between activity diversity and four dimensions of well-being: psychological well-being, depression, positive affect, and negative affect. Method Activity diversity was defined as the breadth and evenness of participation in seven daily activities including paid work, time with children, doing chores, leisure, physical activities, formal volunteering, and giving informal help to others. Participants from the National Survey of Daily Experiences (N = 793, Mage = 46.71, SDag = 12.48) provided data during two 8-day measurement bursts approximately 10 years apart. Results Older adults (age = 60-74 years) who engaged in more diverse activities reported higher psychological well-being than older adults who engaged in less diverse activities; an association not significant among middle-aged adults (age = 35-59 years), and in the opposite direction for younger individuals (age = 24-34 years). Longitudinally, increased activity diversity over 10 years was marginally associated with increases in positive affect. Compared with younger individuals who increased activity diversity, older adults who increased activity diversity reported smaller decreases in psychological well-being, greater increases in positive affect, and greater decreases in negative affect. Discussion Our findings suggest that activity diversity may play an important role in older adults' concurrent well-being and also in their long-term longitudinal improvements of well-being.
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Affiliation(s)
- Soomi Lee
- Department of Biobehavioral Health, University Park
| | - Rachel E Koffer
- Department of Human Development and Family Studies, Pennsylvania State University, University Park
| | - Briana N Sprague
- Department of Human Development and Family Studies, Pennsylvania State University, University Park
| | - Susan T Charles
- Department of Psychology and Social Behavior, University of California, Irvine
| | - Nilam Ram
- Department of Human Development and Family Studies, Pennsylvania State University, University Park.,German Institute for Economic Research (DIW), Berlin, Germany
| | - David M Almeida
- Department of Human Development and Family Studies, Pennsylvania State University, University Park
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10
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Drewelies J, Koffer RE, Ram N, Almeida DM, Gerstorf D. Control diversity: How across-domain control beliefs are associated with daily negative affect and differ with age. Psychol Aging 2019; 34:625-639. [PMID: 31192626 DOI: 10.1037/pag0000366] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Domain-specific control beliefs typically buffer the influence stressors have on people's negative affect (affective stressor reactivity). However, little is known about the extent to which individuals' control beliefs vary across stressor types and whether such stressor-related control diversity is adaptive for affective well-being. We thus introduce a control diversity construct (a person-level summary of across-domain control beliefs) and examine how control diversity differs with age and relates to negative affect and affective stressor reactivity. We apply a multilevel model to daily diary data from the National Study of Daily Experiences (NSDE; N = 2,022; mean age = 56 years; 33-84; 57% women). Our findings indicate that above and beyond average control beliefs, people whose control is spread over fewer stressor domains (less control diversity) have lower negative affect and less affective stressor reactivity. Older adults are more likely than younger adults to have their control beliefs concentrated in one domain. Additionally, associations between control diversity and negative affect and affective stressor reactivity were age invariant. Moderation effects indicated that when people with low average control beliefs are faced with stressors, having control beliefs focused on fewer domains rather than spread broadly across many domains is associated with less negative affect. Our findings suggest that control diversity provides unique insights into how control beliefs differ across adulthood and contribute to affective well-being. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Affiliation(s)
| | | | - Nilam Ram
- Department of Human Development and Family Studies
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11
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Brick TR, Koffer RE, Gerstorf D, Ram N. Feature Selection Methods for Optimal Design of Studies for Developmental Inquiry. J Gerontol B Psychol Sci Soc Sci 2019; 73:113-123. [PMID: 28164232 DOI: 10.1093/geronb/gbx008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 01/19/2017] [Indexed: 11/12/2022] Open
Abstract
Objectives As diary, panel, and experience sampling methods become easier to implement, studies of development and aging are adopting more and more intensive study designs. However, if too many measures are included in such designs, interruptions for measurement may constitute a significant burden for participants. We propose the use of feature selection-a data-driven machine learning process-in study design and selection of measures that show the most predictive power in pilot data. Method We introduce an analytical paradigm based on the feature importance estimation and recursive feature elimination with decision tree ensembles and illustrate its utility using empirical data from the German Socio-Economic Panel (SOEP). Results We identified a subset of 20 measures from the SOEP data set that maintain much of the ability of the original data set to predict life satisfaction and health across younger, middle, and older age groups. Discussion Feature selection techniques permit researchers to choose measures that are maximally predictive of relevant outcomes, even when there are interactions or nonlinearities. These techniques facilitate decisions about which measures may be dropped from a study while maintaining efficiency of prediction across groups and reducing costs to the researcher and burden on the participants.
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Affiliation(s)
- Timothy R Brick
- Department of Human Development and Family Studies, Pennsylvania State University, University Park
| | - Rachel E Koffer
- Department of Human Development and Family Studies, Pennsylvania State University, University Park
| | - Denis Gerstorf
- Department of Human Development and Family Studies, Pennsylvania State University, University Park.,Department of Psychology, Humboldt-Universität zu Berlin, Germany.,Socio-Economic Panel at the German Institute for Economic Research (DIW), Berlin, Germany
| | - Nilam Ram
- Department of Human Development and Family Studies, Pennsylvania State University, University Park.,Socio-Economic Panel at the German Institute for Economic Research (DIW), Berlin, Germany
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12
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Greaney JL, Koffer RE, Saunders EF, Almeida DM, Alexander LM. Self‐Reported Everyday Psychosocial Stressors are Associated with Greater Impairments in Endothelial Function in Young Adults with Major Depressive Disorder. FASEB J 2018. [DOI: 10.1096/fasebj.2018.32.1_supplement.737.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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13
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Koffer RE, Ram N, Almeida DM. More than Counting: An Intraindividual Variability Approach to Categorical Repeated Measures. J Gerontol B Psychol Sci Soc Sci 2017; 73:87-99. [PMID: 29029333 PMCID: PMC5927081 DOI: 10.1093/geronb/gbx086] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 06/02/2017] [Indexed: 11/13/2022] Open
Abstract
Objectives Age-related differences in daily experiences are often described using summaries of categorical repeated measures, including typologies of stressors, activities, social partners, and coping strategies. This paper illustrates how an intraindividual variability (IIV) framework can be used to extract additional meaning from categorical IIV data. Method Using 8-occasion categorical data on daily stressors from the National Study of Daily Experiences (N = 1,499, MAge = 46.74, SDAge= 12.91), we derive and compute six IIV metrics that invoke numeric and nominal measurement of the central tendency, dispersion, and asymmetry of individuals' stressor experiences and examine how these metrics, relative dominance, diversity, log-skew and mode, spread, order, are related to age and interindividual differences in negative affect. Results Results demonstrate the utility of the numeric and nominal categorical IIV metrics, with theoretically meaningful age gradients in the three numeric IIV stressor metrics and five of six IIV metrics mapping differences in negative affect. Discussion Findings highlight how the unique constructs measured by these six metrics of categorical IIV may be used to examine dynamic process, study interindividual and age-related differences, and expand the variety of developmental research questions that may be answered using categorical repeated measures data.
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Affiliation(s)
- Rachel E Koffer
- Department of Human Development & Family Studies, The Pennsylvania State University, University Park
| | - Nilam Ram
- Department of Human Development & Family Studies, The Pennsylvania State University, University Park
- German Institute for Economic Research (DIW), Berlin
| | - David M Almeida
- Department of Human Development & Family Studies, The Pennsylvania State University, University Park
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14
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Koffer RE, Ram N, Conroy DE, Pincus AL, Almeida DM. Stressor diversity: Introduction and empirical integration into the daily stress model. Psychol Aging 2017; 31:301-20. [PMID: 27294713 DOI: 10.1037/pag0000095] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The present study examined whether and how stressor diversity, the extent to which stressor events are spread across multiple types of stressors, contributes to daily affective well-being through the adult life span. Stressor diversity was examined as a unique predictor of daily affect and as a moderator of stressor exposure and stressor reactivity effects. Analyses span 2 independent studies of daily stress: the National Study of Daily Experiences with N = 2,022 adults, aged 33 to 85 years, assessed over T = 8 days, and the Intraindividual Study of Affect, Health, and Interpersonal Behavior with N = 150 adults, aged 18 to 89 years, assessed over T = 63 days. Across both studies, older age was associated with less stressor diversity. Additionally, multivariate multilevel models indicated higher stressor diversity was linked with better affective well-being. Age, however, was not a consistent moderator of such associations. The combination of low stressor diversity and high stressor exposure is discussed as an operationalization of chronic stressors, and this combination was associated with particularly high negative affect and low positive affect. We believe further work will benefit from including both the frequency and diversity of stressor experiences in analyses in order to better characterize individuals' stressor experiences. (PsycINFO Database Record
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Affiliation(s)
- Rachel E Koffer
- Department of Human Development and Family Studies, Pennsylvania State University
| | - Nilam Ram
- Department of Human Development and Family Studies, Pennsylvania State University
| | - David E Conroy
- Department of Kinesiology, Pennsylvania State University
| | | | - David M Almeida
- Department of Human Development and Family Studies, Pennsylvania State University
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