TL;DR
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A study of 792 family and unpaid caregivers with cardiovascular conditions found that sleep problems, caregiving demands and negative emotions were associated with greater caregiving burden or psychological distress. The study identifies associations, not proof that caregiving causes distress, and its authors say providers should ask about caregiving responsibilities and caregivers’ own health.
A study of 792 family and unpaid caregivers with cardiovascular conditions found that disrupted sleep, caregiving demands and negative emotions were associated with greater caregiving burden or psychological distress. Published in the Journal of Applied Gerontology, the research focuses on people caring for older adults living in the community and highlights how their own health and well-being relate to the strain they report.
Researchers led by Kyeung Mi Oh of George Mason University’s College of Public Health analyzed data from the National Health and Aging Trends Study and the National Study of Caregiving. Participants reported cardiovascular conditions including hypertension, heart disease or a previous heart attack. Hypertension was reported by 92.3% of the caregivers in the study. Most participants were 65 or older, 60.9% were women, and nearly half were spouses or partners of the person receiving care.
The researchers assessed perceived caregiving burden and psychological distress, measured through symptoms of anxiety and depression. Reporting more disrupted sleep, low energy, reduced leg strength, longer caregiving hours and more negative emotions was associated with greater burden. Trouble falling back asleep, breathing problems during sleep and negative emotions were associated with greater psychological distress.
The findings also linked caregiving burden with psychological distress. The authors suggest that ongoing caregiving strain could be one pathway related to anxiety and depression symptoms, but the study reports associations and does not establish that caregiving caused those symptoms. Caregivers’ own health and well-being appeared more closely tied to burden and distress than the care recipient’s health conditions.
Caregiver Health Can Be Overlooked
The results draw attention to a group managing two sets of demands: supporting an older adult and living with cardiovascular conditions themselves. Poor sleep and psychological distress are relevant concerns for people managing heart-related health, although this study did not test whether caregiving changed participants’ cardiovascular outcomes.
Oh said clinicians should ask about patients’ caregiving responsibilities and how those demands affect sleep, emotional well-being and their ability to manage their own conditions. Such questions may help identify people who need further assessment or support, the researcher said. The study does not prescribe a particular intervention or show which type of support would be most effective.
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How the Caregiving Study Was Conducted
The study examined family and unpaid caregivers providing care to older adults living in the community, rather than focusing on professional care workers or people in residential settings. The analysis used two national studies and considered both the caregiver’s reported health and the demands of providing care.
Some patterns require careful interpretation. Younger caregivers and women reported greater burden, while more positive emotions were associated with lower reported burden and distress. The researchers also found that more reported support was associated with greater distress. They caution that this does not show that support causes distress: people in more difficult circumstances may be more likely to seek or receive help.
“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
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What the Associations Cannot Show
The findings do not establish that caregiving demands caused anxiety, depression symptoms, sleep disruption or changes in physical functioning. The report describes statistical associations; it does not provide evidence that changing one factor would necessarily reduce burden or distress.
The reported link between support and greater distress is also unresolved. The authors suggest that caregivers facing more challenging situations may be more likely to receive help, but the study does not establish why the association appeared. The source summary does not give enough detail to assess the size of each association, how the results varied by specific cardiovascular diagnosis, or whether they apply to caregivers outside the study population.
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Clinical Questions and Further Research
Oh’s stated next step for practice is for health care providers to ask patients whether they provide care and whether it affects sleep, emotional well-being or management of cardiovascular conditions. The study supports identifying possible needs for further assessment, but does not specify a formal screening tool or support program.
Further research would be needed to clarify how caregiving demands and caregivers’ health influence one another over time, and to explain the association between reported support and distress. The study was published in the Journal of Applied Gerontology by Oh and co-author Y. Song in 2026.
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Key Questions
What did the study find?
Among 792 caregivers with cardiovascular conditions, disrupted sleep and certain caregiving demands were associated with greater burden or psychological distress. The findings are associations, not proof of cause and effect.
Who took part in the study?
Family and unpaid caregivers who cared for older adults living in the community and reported hypertension, heart disease or a previous heart attack. Hypertension was reported by 92.3% of participants.
Does the study show that caregiving causes anxiety or depression?
No. Psychological distress was measured through symptoms of anxiety and depression, and the researchers found associations with reported factors. The study does not establish that caregiving caused those symptoms.
Why was support associated with greater distress?
The authors caution that this does not mean support causes distress. Caregivers in more difficult situations may be more likely to seek or receive help, but the study does not establish the reason for the association.
What do the researchers recommend for health care providers?
Oh said providers should ask whether patients have caregiving responsibilities and how those demands affect sleep, emotional well-being and cardiovascular care. The study does not name a specific treatment or support program.
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