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A study of 792 family and unpaid caregivers with cardiovascular conditions found that sleep difficulties, physical limitations and caregiving demands were associated with greater perceived burden or psychological distress. The observational findings do not show that caregiving caused distress, and researchers say the unexpected link between reported support and distress may reflect greater needs among caregivers in more difficult situations.
A study of 792 family and unpaid caregivers with cardiovascular conditions found that disrupted sleep, reduced physical functioning and demanding care responsibilities were associated with greater caregiving burden or psychological distress. The research, led by Kyeung Mi Oh of George Mason University and published in the Journal of Applied Gerontology, highlights the health needs of caregivers supporting older adults while managing their own cardiovascular conditions.
The researchers analyzed data from the National Health and Aging Trends Study and the National Study of Caregiving. Participants were caring for older adults living in the community and reported cardiovascular conditions including hypertension, heart disease or a previous heart attack. Hypertension was the most common reported condition, affecting 92.3% of caregivers. Most participants were 65 or older, 60.9% were women, and nearly half were spouses or partners of the person receiving care.
Caregivers who reported more disrupted sleep, lower energy, reduced leg strength, longer caregiving hours and more negative emotions also reported greater caregiving burden. Psychological distress, measured through symptoms of anxiety and depression, was higher among those who had trouble returning to sleep, reported breathing problems or experienced more negative emotions. The researchers also found that burden was associated with distress.
The authors reported that caregivers’ own health and well-being appeared more closely related to burden and distress than the care recipient’s health conditions. Younger caregivers and women reported greater burden. More positive emotions were associated with lower levels of both burden and distress. These are associations in the study data; they do not establish that any one factor caused the outcomes.
Caregiver Health Can Be Overlooked
The findings draw attention to people who may be balancing care duties with their own cardiovascular health needs. Poor sleep and psychological distress matter in this group because they can complicate day-to-day well-being and the management of existing health conditions. The study does not measure whether caregivers’ health worsened over time, but it identifies areas clinicians may want to ask about.
Oh said health care providers should ask about caregiving responsibilities and how they affect sleep, emotional well-being and a patient’s ability to manage cardiovascular conditions. Such questions could help providers identify people who may need further assessment or tailored support. The report does not prescribe a particular intervention or show that a specific support program reduces distress.
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What Researchers Measured
The study examined two related outcomes: perceived caregiving burden and psychological distress, assessed through symptoms of anxiety and depression. It focused on family and unpaid caregivers with cardiovascular conditions who looked after older adults living in the community. This scope means the findings describe a particular caregiver population, rather than all people who provide care.
Caregiving hours and emotional experiences were among the factors considered alongside sleep and physical functioning. The authors suggested sustained caregiving strain may be one pathway contributing to anxiety and depression symptoms, but the study’s reported associations cannot confirm that explanation. The paper by Oh and Y. Song appeared in the Journal of Applied Gerontology in 2026.
“Our findings suggest that caregivers’ sleep, physical functioning, emotional well-being, and caregiving demands are important factors associated with caregiving burden and psychological distress.”
— Kyeung Mi Oh, professor in George Mason University’s School of Nursing
Cause and Support Remain Unclear
The study reports associations, not proof of cause and effect. It does not establish that caregiving demands produced anxiety or depression, or that sleep problems caused greater burden. The supplied report also does not specify whether the analysis tracked participants over time, so it cannot show how these experiences change or which comes first.
One unexpected result was that more reported support for caregivers was associated with greater distress. The researchers cautioned that this does not mean support causes distress; people in more difficult caregiving situations may be more likely to seek or receive help. The report does not identify which forms of support were counted or explain how much they changed distress levels.
Questions for Care Teams
The authors’ immediate recommendation is for providers to ask patients with cardiovascular conditions whether they are caregivers and how care duties affect sleep, emotional well-being and self-management. The study does not announce a new program or a clinical guideline. The journal report gives no timetable for follow-up research or further findings.
For readers, the results are evidence that caregivers’ circumstances may be relevant in health care conversations, not a diagnosis or a treatment recommendation. Decisions about cardiovascular care or psychological symptoms should be discussed with a qualified health professional.
Key Questions
Who took part in the study?
The researchers analyzed data from 792 family and unpaid caregivers with cardiovascular conditions who cared for older adults living in the community. Most were 65 or older, and 60.9% were women.
What factors were associated with greater caregiving burden?
Greater reported burden was associated with disrupted sleep, low energy, reduced leg strength, longer caregiving hours and more negative emotions. These findings describe associations, not proven causes.
Does the study show that caregiving causes anxiety or depression?
No. Psychological distress was measured through anxiety and depression symptoms, and the study found associations with factors such as sleep difficulties and negative emotions. The results do not establish that caregiving caused those symptoms.
Did support increase caregivers’ distress?
The study found an association between more reported support and greater distress, but its authors said this does not mean support caused distress. Caregivers facing more difficult situations may have been more likely to seek or receive help.
What do the researchers suggest providers ask?
Oh said providers should ask whether patients have caregiving responsibilities and how those duties affect sleep, emotional well-being and management of cardiovascular conditions. The report does not specify a particular treatment or support program.
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