Profiles of resilience resources among spousal caregivers.

OBJECTIVES: Resilience resources play a significant role in a caregiver's adaptation process. Previous studies have primarily focused on the effects of individual resilience resources. This study aimed to examine diverse patterns of how those multiple resources simultaneously operate in a caregiving situation with the person-centered approach. METHOD: This study utilized data from the Health and Retirement Study. Participants were eligible if they completed the Left-Behind questionnaire at two consecutive timepoints (2014 and 2016; or 2016 and 2018) and provided care for their spouse with limitations in activities of daily living (n = 692). RESULTS: Latent profile analysis identified three distinct groups among spousal caregivers: (1) Lack of Resilience Resources (17%), (2) Low Psychological and Cognitive Resources, but Having Moderate Support (21%), and (3) Strong Resilience Resources (62%). Spousal caregivers having functional limitations (Odds = 0.37, p = 0.016) and greater depressive symptoms (Odds = 0.59, p = 0.000), and high ongoing caregiving stress (Odds = 0.37, p = 0.007) were less likely to be in 'Strong Resilience Resources' than 'Lack of Resilience Resources'. CONCLUSION: The findings highlight the importance of taking a holistic view of resilience resources. It provides insights into potentially vulnerable groups and caregivers' adaptation process, thereby contributing to the development of interventions or policies aimed at enhancing the resilience resources of family caregivers.

Longitudinal pathways between parent depression and child mental health in families of autistic children.

Autistic children and their parents are at risk for mental health problems, but the processes driving these connections are unknown. Leveraging three data cycles (spaced M = 11.76 months, SD = 2.77) on 162 families with autistic children (aged 6-13 years), the associations between parent-child relationship quality (warmth and criticism), child mental health problems, and parent depression symptoms were examined. A complete longitudinal mediation model was conducted using structural equation modeling. Father depression mediated the link between child mental health problems and father critical comments (ß = -0.017, p = 0.018; CI [-.023 - -.015]). Father report of child mental health problems mediated the association between father depression and father critical comments (ß = 0.016, p = 0.040; CI [0.003-0.023]) as well as the association between father positive remarks and father depression (ß = -0.009, p = 0.032; CI [-0.010 - -0.009]). Additionally, father positive remarks mediated the connection between father depression and child mental health problems (ß = 0.022, p = 0.006; CI [0.019-0.034]). No mediation effects were present for mothers. Findings highlight that the mental health of parents and autistic children are intertwined. Interventions that improve the parent-child relationship may reduce the reciprocal toll of parent and child mental health problems.

Self-report of symptom cluster experiences in cancer patient-caregiver dyads.

PURPOSE: Symptom clusters have important health implications in the context of cancer, but the symptom cluster experiences of cancer caregivers and patient-caregiver dyads are not well studied. To date, most studies report statistically derived symptom clusters among patients and fail to consider the caregivers' experience. This study aimed to assess and characterize self-reported symptom cluster experiences in cancer patient-caregiver dyads. METHODS: We recruited 30 patient-caregiver dyads from the outpatient oncology clinics at a Comprehensive Cancer Center in the Midwestern U.S. Participants completed web-based surveys reporting their symptom clusters at weekly intervals over 8 weeks of cancer treatment. RESULTS: Among 48 eligible dyads, 30 (63%) agreed to participate, 29 provided data, and ≥ 80% (24 patients, 26 caregivers) completed the study. Twenty-eight patients (97%) and twenty-two caregivers (76%) reported experiencing symptoms in clusters. There was substantial variability in the symptoms reported, perceived causality, and directional relationships among symptoms, however both patients' and caregivers' frequently described symptom clusters with psychoneurologic components (co-occurring pain, fatigue, sleep disturbance, anxiety, depression, lack of appetite and/or cognitive disturbance). Symptom clusters were perceived to have a moderate impact on patients' daily lives and a mild-to-moderate impact on caregivers' daily lives. CONCLUSION: Dyad members experienced and successfully self-reported symptom clusters, with psychoneurologic symptom clusters prevalent among both patients and their caregivers. Self-report of symptom cluster experiences provides unique insight relevant to clinical management. Findings provide foundational support for development and testing of dyad-based interventions to mitigate symptom clusters and their negative impact on daily life among cancer-patient caregiver dyads.

Employment and workdays lost among spouses of cancer survivors: Intersection with gender across cancer treatment status.

BACKGROUND: Cancer patients and survivors have high care needs, often provided by a spouse or partner. The purpose of this study was to elucidate how employment and work loss patterns differed across cancer history/treatment status and gender. METHODS: Using nationally representative data from the Medical Expenditure Panel Survey (2011, 2016, and 2017), the authors linked data across married participants and categorized them by spouses' cancer treatment status (no cancer history, on treatment for cancer, off treatment for cancer). Multivariable logistic and zero-inflated negative binomial regressions were used to assess the associations among cancer history/treatment status, gender, and employment outcomes (employment status and workdays lost to care for self or others). RESULTS: For men, employment did not differ significantly by cancer history/treatment status (on treatment: odds ratio [OR], 0.58; 95% confidence interval [CI], 0.33-1.02, off treatment: OR, 0.84; 95% CI, 0.62-1.14 vs. no cancer history). For women, employment was not significantly different when the spouse was on treatment for cancer compared to no cancer history (OR, 0.78; 95% CI, 0.33-1.86]) but was significantly increased for women whose spouse was off treatment (OR, 1.39; 95% CI, 1.05-1.84). Among employed participants, women whose spouse was on cancer treatment were nine times more likely to take days off work to provide care (OR, 9.52; 95% CI, 3.94-23.03) and took more than three times as many days off to care for others (OR, 3.21; 95% CI, 2.07-4.97) as men whose spouse had no cancer history. CONCLUSIONS: Wives of cancer survivors are at increased risk of work loss, with implications for their financial and psychological well-being. Employers, policymakers, and clinicians have opportunities to support working caregivers.

Conceptualizing Family Caregivers' Use of Community Support Services: A Scoping Review.

BACKGROUND AND OBJECTIVES: Only a fraction of the 53 million caregivers in the United States use available formal community services. This scoping review synthesized the literature on the barriers and facilitators of community support service utilization by adult caregivers of a family member or friend with an illness, disability, or other limitation. RESEARCH DESIGN AND METHODS: We searched PubMed, CINAHL, PsycInfo, and Web of Science for quantitative and qualitative articles assessing barriers and facilitators of caregivers' access to and utilization of resources, following Preferred Reporting Items for Systematic Review and Meta-Analysis scoping review guidelines. Thematic analysis, drawing on an initial conceptualization, informed key insights around caregivers' resource navigation process. RESULTS: The review provides support for individual factors affecting service use. Notably, some factors-such as time restrictions and increased caregiving demands-appear to function as barriers to accessing services even as they increase caregivers' need for support. Additionally, contextual barriers including cultural factors and support of friends/family can affect caregivers' access to resources. Finally, experience with health systems and structures and the intersection with other factors can affect service utilization. DISCUSSION AND IMPLICATIONS: Suboptimal access to and utilization of community support services can be addressed at both the person and system level to mitigate potential inequities. Ensuring that caregivers are aware of, eligible for, and have the capacity and support to access the appropriate resources at the right time is essential for improving caregiver outcomes, reducing burnout, and supporting continued care.

Change in alcohol consumption during the Covid-19 pandemic and associations with mental health and financial hardship: results from a survey of Wisconsin patients with cancer.

PURPOSE: Alcohol consumption increases health risks for patients with cancer. The Covid-19 pandemic may have affected drinking habits for these individuals. We surveyed patients with cancer to examine whether changes in drinking habits were related to mental health or financial effects of the pandemic. METHODS: From October 2020 to April 2021, adult patients (age 18-80 years at diagnosis) treated for cancer in southcentral Wisconsin were invited to complete a survey. Age-adjusted percentages for history of anxiety or depression, emotional distress, and financial impacts of Covid-19 overall and by change in alcohol consumption (non-drinker, stable, decreased, or increased) were obtained via logistic regression. RESULTS: In total, 1,875 patients were included in the analysis (median age 64, range 19-87 years), including 9% who increased and 23% who decreased drinking. Compared to stable drinkers (32% of sample), a higher proportion of participants who increased drinking alcohol also reported anxiety or depression (45% vs. 26%), moderate to severe emotional distress (61% vs. 37%) and viewing Covid-19 as a threat to their community (67% vs. 55%). Decreased (vs. stable) drinking was associated with higher prevalence of depression or anxiety diagnosis, emotional distress, and negative financial impacts of the pandemic. Compared to non-drinkers (36% of sample), participants who increased drinking were more likely to report emotional distress (61% vs. 48%). CONCLUSIONS: Patients with cancer from Wisconsin who changed their alcohol consumption during the Covid-19 pandemic were more likely to report poor mental health including anxiety, depression, and emotional distress than persons whose alcohol consumption was stable. IMPLICATIONS FOR CANCER SURVIVORS: Clinicians working with cancer survivors should be aware of the link between poor mental health and increased alcohol consumption and be prepared to offer guidance or referrals to counseling, as needed.

Building relationships to connect cancer researchers with community members: 'bench to community pipeline'.

PURPOSE: Partnerships between researchers and community members and organizations can offer multiple benefits for research relevance and dissemination. The goal of this project was to build infrastructure to create bidirectional relationships between University of Wisconsin Carbone Cancer Center (UWCCC) researchers and community educators in the Division of Extension, which connects the knowledge and resources of the university to communities across the state. METHODS: This project had three aims: (1) create linkages with Extension; (2) establish an in-reach program to educate and train researchers on the science of Community Outreach and Engagement (COE); and (3) identify and facilitate collaborative projects between scientists and communities. Survey and focus group-based needs assessments were completed with both researchers and Extension educators and program activity evaluations were conducted. RESULTS: Most Extension educators (71%) indicated a strong interest in partnering on COE projects. UWCCC faculty indicated interest in further disseminating their research, but also indicated barriers in connecting with communities. Outreach webinars were created and disseminated to community, a "COE in-reach toolkit" for faculty was created and a series of "speed networking" events were hosted to pair researchers and community. Evaluations indicated the acceptability and usefulness of these activities and supported continuation of collaborative efforts. CONCLUSION: Continued relationship and skill building, along with a sustainability plan, is critical to support the translation of basic, clinical, and population research to action in the community outreach and engagement context. Further incentives for faculty should be explored for the recruitment of basic scientists into community engagement work.

Predictors of psychoneurological symptoms in cancer caregivers over time: Role of caregiving burden, stress, and patient symptoms.

PURPOSE: In cancer patients, stress is associated with a psychoneurologic (PN) symptom cluster of depressed mood, anxiety, pain, fatigue, and sleep disturbance. The stress of caregiving may trigger similar symptoms among caregivers and warrants investigation. The purpose of this analysis was to characterize correlates of PN symptom burden in cancer caregivers. METHODS: Cancer patient-caregiver dyads (n = 29) provided eight weekly symptom reports using a web-based survey. Primary and secondary stressors of caregiving were also assessed. Mixed models accounting for repeated measurement were used to assess the between- and within-dyad predictors of caregiver PN symptom burden. The interaction of patient PN symptom burden and stress was tested. Exploratory cross-lagged Actor-Partner Interdependence Models were used to assess the week-to-week interdependence between patient and caregiver symptoms. RESULTS: Caregivers most frequently reported feeling anxious (44% on average across timepoints), sleep problems (31%), fatigue (25%), and depressed mood (24%). Mixed models indicated that within dyads, greater hours of care and more patient symptoms were associated with greater caregiver PN symptom burden. Greater baseline perceived stress was also associated with higher caregiver PN symptom burden and moderated the association between patient and caregiver PN symptom burden. Cross-lagged Actor-Partner Interdependence Models indicated longitudinal interdependence among survivor and caregiver symptom burden. CONCLUSIONS: The findings provide preliminary evidence of the interrelationship of PN symptom burden in caregivers and patients and the potential for stress to amplify this interrelationship, with implications for symptom management and supportive care practice.

Racial and ethnic disparities in cancer caregiver burden and potential sociocultural mediators.

PURPOSE: Black and Hispanic cancer patients experience many worse care quality and health outcomes than non-Hispanic White patients, yet less is known about disparities in caregiving responsibilities and burden among cancer caregivers. METHODS: We analyzed cross-sectional data from Cancer Care Outcomes Research and Surveillance consortium, a large multi-regional, population-based study of colorectal and lung cancer patients and their caregivers. Bivariate and multivariable regression models assessed differences by racial and ethnic groups in caregiving responsibilities and social/emotional, financial, and health burdens. Structural equation models estimated whether sociocultural resources (social support, caregiving preparedness, caregiver-patient communication) mediated racial and ethnic differences in caregiver burden. RESULTS: Compared with non-Hispanic White caregivers (N = 1,169), Black (N = 220) and Hispanic (N = 84) caregivers spent more time caregiving (18 vs. 26 vs. 26 h/week; P < 0.001), completed more tasks (6.8 vs. 7.6 vs. 8.7; P < 0.05), and reported greater financial burden (P = 0.02). Yet, compared to non-Hispanic Whites, Hispanic caregivers reported similar social/emotional and health burdens, while Black caregivers reported lower levels (P < 0.01). In adjusted models, disparities in financial burden disappeared, and Hispanic caregivers had less health burden than non-Hispanic White caregivers (P = 0.01). Social support and/or caregiving preparedness partially mediated the Black-White gap for all three types of burdens. CONCLUSIONS: Black and Hispanic cancer caregivers perform more caregiving and report greater financial burden than non-Hispanic White caregivers, but experience lower or equivalent social/emotional and health burdens. Racial differences in caregivers' social support and caregiving preparedness levels partially explain Black-White burden differences. Research and policy should address Black and Hispanic caregivers' increased financial burden.

Partner effects on caregiver and care recipient depressed mood: heterogeneity across health condition and relationship type.

The well-being of caregivers and their care recipients is interrelated, although conflicting evidence has emerged across different caregiving populations. Using data from the National Health and Aging Trends Study and the National Study of Caregiving (2015 and 2017, n = 742 dyads), we constructed actor-partner interdependence models assessing how spillover (i.e., interdependence) of depressed mood varied by care recipient health condition (specifically cancer, dementia, stroke, and diabetes) and kinship type (spouse/partner, child, other relative, or non-relative). Across condition types, care recipient-to-caregiver partner effects were significantly larger in dyads with vs. without cancer and significantly smaller in dyads with vs. without diabetes (pinteractions < .05). Substantive differences in partner effects were observed by kinship type, although moderation was not statistically significant. The findings highlight potential heterogeneity in caregiver-care recipient interdependence with implications for future research and delivery of supportive care.

Comparing adult-child and spousal caregiver burden and potential contributors.

BACKGROUND: Adult-children caring for a parent with cancer comprise a significant segment of caregivers. Yet less is known about adult-child caregivers, their burden, or caregivers' and patients' gender's impact, which may differ from the well-studied spousal caregiver. This knowledge gap may hinder efforts to ameliorate adult-children's caregiver burden. METHODS: We analyzed caregiver surveys from the Cancer Care Outcomes Research and Surveillance Consortium, a multi-regional population-based study of patients with colorectal or lung cancer. Using t tests and multivariate regression models, we assessed whether adult-child and spousal caregivers' caregiving responsibilities and social/emotional and financial burdens differed and used structural equation models (SEMs) to examine mediating factors. RESULTS: Compared with spouses/partners (N = 1007), adult-children (N = 227) spent less time caregiving (14 vs 23 hours/week; P < .001), but experienced higher social/ emotional burden (P < .01). In models adjusted for objective caregiving burden measures and demographics, adult-children's social/emotional (P < .05) and financial burdens (P < .01) were greater than spouses'. Poor communication quality was associated with greater social/emotional burden for both groups (P < .05). SEMs indicated that gender concordance between caregivers and patients (eg, daughters caring for mothers) and caregiver employment increased the difference between adult-child and spouses' social/emotional burden, whereas caregiver-patient relationship quality reduced it. CONCLUSIONS: Adult-children spend less time caregiving than spouses/partners, but have higher social/emotional and financial caregiving burdens, partially due to adult-children's employment, caregiver-patients' gender concordance, and relationship quality. Gender concordance's contribution to greater social/emotional burden adds important context to prior findings, indicating female caregivers experience the most burden. Interventions that improve caregiver-patient communication may reduce both adult-child and spousal caregiver burden.

Caregiver Eligibility for Support Services: Correlates and Consequences for Resource Utilization.

Policymakers and community organizations have implemented numerous programs and services to support the more than 40 million family caregivers in the United States. However, the existence of such services is not sufficient to ensure equitable and optimal access and utilization. Using data from the Caregiving in the US study (2015; n = 1,185), we estimated that nearly one in five family caregivers do not meet broad eligibility criteria for support services. This resource gap was particularly likely to affect high-priority populations such as those caring for someone with a mental health problem. Furthermore, ineligible caregivers had lower service utilization and increased financial strain. The findings highlight a pattern of vulnerability among caregivers who do not meet broad eligibility criteria for financial support resources. Careful policy consideration is needed to determine how support services should be allocated to maximize caregiver and care recipient outcomes at the population level.

How do spouses of cancer survivors engage with mental healthcare? An exploratory analysis of visit characteristics.

OBJECTIVE: To better understand how cancer caregivers engage with mental healthcare, this exploratory study sought to assess the distribution and correlates of visit characteristics for mental health-related medical care among spouses of cancer survivors. METHODS: Using nationally representative data from the Medical Expenditures Panel Survey, we assessed the proportion of caregivers who received a mental health-related prescription or psychotherapy visit across care settings (office based, outpatient hospital, emergency room, or inpatient visit), provider type (psychiatric, primary care, other specialty, or other), and visit purpose (regular checkup, diagnosis and treatment, follow-up, psychotherapy, other), and the health condition(s) associated with the visit. Logistic and multinomial regressions assessed the predisposing, enabling, need, and survivor characteristics associated with the visit characteristics. RESULTS: A plurality of spouses of cancer survivors accessed mental healthcare through an office-based visit (90%) with a primary care provider (47%). One third accessed treatment as part of a regular check-up (32%). Several factors were associated with visit characteristics, notably the cancer survivor's health status and healthcare utilization. CONCLUSIONS: The findings provide an important reminder of the often-invisible mental health burden experienced by cancer caregivers and confirm the importance of routine primary care as a doorway to mental healthcare. Assessing how the care recipient's care needs and caregiving itself may act as barriers to specialty care will be a critical future research trajectory.

Caregiver resource utilization: Intellectual and development disability and dementia.

BACKGROUND: Adults with intellectual and developmental disabilities and their families have high need for support services. This study assessed resource utilization among caregivers of intellectual and developmental disabilities and other conditions. METHODS: We assessed 366 caregivers of adults with intellectual and developmental disabilities, dementia or other conditions Regressions assessed group differences in number of agency contacts and frequency of service use. A secondary analysis assessed reasons for underutilization of services. RESULTS: Caregivers of individuals with dementia contacted twice as many agencies as other caregivers and were more likely to report using suggested services. Agency contact and service utilization were similar among caregivers of adults with intellectual and developmental disabilities compared to other caregivers. Caregivers of adults with intellectual and developmental indicated that suggested services were unavailable to them. CONCLUSION: The findings of this study shed light on challenges with access to and utilization of support services.

Role of cancer survivor health and health service use in spouses' use of mental health-related care.

BACKGROUND: Spouses of cancer survivors are at an increased risk of poor mental health outcomes but are known to underuse supportive services. The objective of the current study was to determine how the health and health care use of cancer survivors were associated with depression and anxiety-related health care use in their spouses. METHODS: The current observational study used data from the Medical Expenditure Panel Survey to identify married individuals with a cancer-related medical event or disability ("cancer survivors"), and linked health and health care use data across spousal dyads. Spouses reporting a prescription for an antidepressant or antianxiety medication or any psychotherapy were flagged as having used mental health care. Correlates of use were assessed, with a focus on the health and health care use of the cancer survivor. RESULTS: Greater than 25% of the spouses of cancer survivors used mental health care over the approximately 2.5 years of follow-up. Controlling for their own predisposing, enabling, and need characteristics, spouses were found to be less likely to use mental health care if the cancer survivor reported more health conditions or elevated depressed mood compared with dyads in which the survivor reported low distress and depression. Spouses were nearly 3 times more likely to use mental health care if the cancer survivor themselves had used mental health care (odds ratio, 2.98; 95% confidence interval, 2.17-4.09). CONCLUSIONS: The findings of the current study enhance understanding of how health outcomes are intertwined in families with cancer, and reinforce the importance of a family-centered approach to cancer care that facilitates psychosocial care. LAY SUMMARY: The health and well-being of cancer survivors and their spouses are intertwined. The results of the current study demonstrated that this interrelationship extends to mental health care related to depression and anxiety. Spouses of cancer survivors were found to be less likely to receive mental health care when the survivor had more health care needs. Spouses were nearly 3 times more likely to receive care if the survivor also was receiving mental health care. Caregiving spouses may face more challenges finding the time, money, or energy to engage in their own self-care. However, providing supportive care to one partner may help the other partner access care as well.

Cancer across the ages: a narrative review of caregiver burden for patients of all ages.

PROBLEM IDENTIFICATION: Approximately 2.8 million Americans care for an individual with cancer. Because the literature typically describes caregiving experiences within patient age-groups (e.g., pediatrics, geriatrics), the purpose of this narrative review was to describe common and unique burdens and distress among caregivers of cancer-patients of different ages. LITERATURE SEARCH: We identified representative peer-reviewed manuscripts related to caregivers of pediatric, adolescent, young-, middle-, and late-adult oncology patients. We combined search terms "caregiver" and "cancer" with "burden," "distress," and/or age-related terms ("pediatric" or "geriatric"). Included studies focused on factors of caregiver-burden and distress. DATA EVALUATION/SYNTHESIS: Universal cancer-caregiving experiences include negative impacts on work-productivity, finances, social-/family-dynamics, and physical/emotional health. Age-related life experiences shape outcomes; pediatric caregivers may have fewer financial resources, whereas concurrent comorbidities create challenges for geriatric caregivers. CONCLUSIONS: Caregiving for cancer patients has universal, shared, and patient age-specific burdens. IMPLICATIONS FOR PRACTICE: Supportive care based on patient-age may improve caregiver well-being.

Trajectories of social resource use among informal lung cancer caregivers.

BACKGROUND: Social support is a key component in maintaining cancer caregiver well-being, and many resources exist to facilitate caregivers' use of social support (eg, cancer support groups). This study sought to determine how informal cancer caregivers use social resources over the course of caregiving. METHODS: The data are from the Comprehensive Health Enhancement Support System study of informal caregivers (n = 202) of patients with recently diagnosed lung cancer. Caregivers self-reported their sociodemographic and caregiving characteristics and social resource use over 6 months. Generalized additive models were used to assess social resource use over time, and generalized estimating equation logistic regression models were used to assess the correlates of social resource use. RESULTS: Nearly two-thirds of caregivers reported any social resource use. The most prevalent social resources were faith-based groups (38%) and social clubs (30%). Only 1 in 4 caregivers participated in a formal resource such as counseling (11%) or a cancer support group (6%). Social resource use was lowest immediately after the diagnosis and increased over time. Formal resource use exhibited a nonlinear association with time such that formal resource use peaked approximately 9 to 10 months after the cancer diagnosis. Caregivers were more likely to report social resource use if the patient also reported social engagement. CONCLUSIONS: This study has found that many cancer caregivers do not use social resources, although social resource use increases over time after the cancer diagnosis. Because of the association between social engagement and well-being, this information may inform future research and interventions to improve outcomes for cancer caregivers and their families.

Caregiver Well-being and the Quality of Cancer Care.

OBJECTIVES: To conceptualize the pathways and assess current evidence for the relationship between caregiver well-being and the quality of the cancer patient's care. DATA SOURCES: Qualitative, quantitative, and theoretical literature and official reports. CONCLUSION: Caregiver well-being has both direct and indirect effects on the quality of cancer care, including care received from the health care team, from the caregiver themselves, and in relation to patients' own self-management. IMPLICATIONS FOR NURSING PRACTICE: Supporting caregivers has tangible consequences with regard to the quality of cancer care on multiple levels, with direct implications for patient outcomes. Nurses have a key role in providing psychosocial care to patients and their caregivers, and in supporting system-level change.

Dyadic associations between perceived social support and cancer patient and caregiver health: An actor-partner interdependence modeling approach.

OBJECTIVE: Social support may have a positive impact on health outcomes for patients and caregivers, but the extent to which social support and health outcomes are interrelated for both is unknown. We examine the dyadic interrelationships between social support and health among cancer patients and their caregivers. METHODS: Lung and colorectal cancer (CRC) patient and caregiver dyadic data were obtained from the Cancer Care Outcomes Research and Surveillance Consortium. Patients and caregivers self-reported sociodemographic, social support, and caregiving characteristics at 5 (n = 218 lung; n = 222 CRC) or 12 months post-diagnosis (n = 198 lung; n = 290 CRC). Structural equation modeling was used to examine actor-partner interdependence models (APIM) of lung and CRC dyads at 5 and 12 months post-diagnosis. RESULTS: At 5 months post-diagnosis, no interdependence between patient and caregiver social support was detected for CRC or lung dyads (all P > 0.05). At 12 months post diagnosis, no interdependence was detected for CRC dyads (all P > 0.70); lung dyads showed complete interdependence, indicating patient social support is associated with better caregiver self-reported health (ß = 0.15, P < 0.001), and caregiver social support is associated with better patient self-reported health (ß = 0.18, P < 0.001). CONCLUSION: Social support has a positive impact on patient and caregiver perceived health across the cancer trajectory, and these effects may differ by cancer site and time. Future research and translational efforts are needed to identify effective ways to bolster both patient and caregiver social support and to determine critical moments for intervention.