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Psychology 415; Social Basis of Health Behavior SES & Health 1 1 Core issues in SES effects Self-selection / “drift” hypothesis Role of physical / infectious / environmental v. ψ causes Race controlling for SES: 1 st generation middle class may still harbor stresses & behavioral patterns common to lower SES community More than half of U.S. households sampled experienced an increase of 50% or a decrease of more than 33% in monthly income in 1984 (U.S. Bureau of the Census, 1996). Experiencing a single marked income drop during a 5-year period resulted in a 30% increase in mortality risk, whereas two or more decreases predicted a 70% increase in mortality risk (Duncan, 1996). (Gallo et al., 2003)
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Psychology 415; Social Basis of Health Behavior SES & Health 1 2 What is SES? Income Assessment problems Income social rank disparities (“professor syndrome”) Occupation Housewives, retired, students, currently unemployed Illness loss of occupational standing Education Most reliable indicator? Strong predictor of smoking, all cause mortality Other indicators Insurance status Strongest predictor of HIV infection Neighborhood indicators Home ownership (mobility proxy), median income & education, % single-family homes, % homeowners… Predicts beyond Σ individual effects
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Psychology 415; Social Basis of Health Behavior SES & Health 1 3 What is “negative emotion”? Orthogonality bipolarity debate Negative affect “macrophage” model of depression & health Positive affect key to range of health behaviors Separation of arousal (“activity”) v. Valence Cf: serotonin hypothesis re: impulsivity v. depression Time frame “State” v. “Trait” Momentary / daily v. enduring Specificity issue: NA v. depression Depression Hopelessness Anxiety Hostility / anger Diagnostic v. Dimensional models Key assessment (& conceptual) issue
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Psychology 415; Social Basis of Health Behavior SES & Health 1 4 Stress: Environment & “Allostatic load” Daily hassles Density / crowding Transportation Isolation & child rearing Cultural differences (?) Simple resource availability Nutritional environment Violence Ψ characteristics (?) Hopelessness / helplessness Anger / hostility Physical toxicity (environmental racism) Chronic untreated MH problems Inadequate coping resources Hostile / unavailable services Untreated illness
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Psychology 415; Social Basis of Health Behavior SES & Health 1 5 Affect regulation Direct Environmental Path: Exposure to violence / instability depression, anxiety Availability (& modeling) of health risk behavior Chronic stress inhibited capacity for affect regulation? Shifts in HPA reactivity? Stress – diathesis: Epigenetics Exacerbation of pathogenic traits: Sensation seeking Male-linked etoh.
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Psychology 415; Social Basis of Health Behavior SES & Health 1 6 Coping Instrumental v. avoidant / affective coping: Exogenous moderator (“diathesis”)? Perceived environmental controllability Availability of avoidant v. instrumental coping resources Chronic high arousal & affect regulation? HPA reactivity “Illness behavior” Social capitol Mediator of linear SES effect Access to support Dominance hierarchy “Personal control” Helplessness v. “executive monkey (x stability). Chronic regulatory demands Lower baseline regulatory capacity (?) Chronic depletion of capacity
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Psychology 415; Social Basis of Health Behavior SES & Health 1 7 Health services Disparities in service availability MSM data Cardiac data: Lower incidence, higher mortality Late diagnosis & treatment Helplessness / depression or avoidant coping lower service use
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Psychology 415; Social Basis of Health Behavior SES & Health 1 8 Basic mechanisms: Stress PTB Dunkel-Schetter, C. (2009). Stress Processes in Pregnancy and Preterm Birth. [Article]. Current Directions in Psychological Science, 18(4), 205-209.
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Psychology 415; Social Basis of Health Behavior SES & Health 1 9 Separation, pro-inflammatory cytokines & “depression” Hennessy, M. B., Schiml-Webb, P. A., & Deak, T. (2009). Separation, Sickness, and Depression: A New Perspective on an Old Animal Model. [Article]. Current Directions in Psychological Science, 18(4), 227-231. Acute Maternal Separation HPA activation arousal Active search behavior Chronic pro-inflammatory cytokines Chronic Separation “Passive” stage (Illness behavior, depression) Exogenous anti-inflammatory cytokines
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Psychology 415; Social Basis of Health Behavior SES & Health 1 10 Gallo: “reserve capacity”
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