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Functional limitations among adult cancer survivors in the United States
D K Ehlers1,2, N Weaver3, J Ma4
1Department of Quantitative Health Sciences, Health Futures Center, Mayo Clinic, 6161 E. Mayo Blvd, Phoenix, AZ, 85054, USA. Ehlers.Diane@mayo.edu.
Purpose:
Using data from the National Health Interview Survey (NHIS), this study examined the odds of functional limitations across nine domains by cancer status (with vs. without cancer history) and age group (18-44, 45-64, 65 + years).
Methods:
Participants were 151,509 adults in the 2014-2018 NHIS. Functional limitations included self-reported difficulty conducting nine activities. Data were analyzed using age-stratified multivariate logistic regression (no limitation vs. limited in any way; minor limitation vs. major limitation) and are reported as covariate-adjusted odds ratios (ORs) and 95% confidence intervals (95% CIs). To gather insight on the influence of cancer, compared to aging without a history of cancer, on functional limitations, we also conducted exploratory regression analyses comparing all cancer by age groups to 18-44 year-olds without a cancer history.
Results:
Cancer survivors (n = 12,518) were more likely to report a limitation than adults without cancer (n = 138,991). Age-stratified ORs for 1 + limitation were 2.75 (95% CI 1.98, 3.81) among 18-44 year-olds, 2.42 (95% CI 2.00, 2.93) among 45-64 year-olds, and 1.59 (95% CI 1.39, 1.82) among 65 + year-olds. Cancer survivors were more likely to report major limitations across multiple domains, with age-stratified ORs ranging from 1.18 (65 + year-olds, stooping limitation) to 2.28 (18-44 year-old, sitting limitation). ORs from exploratory analyses were lowest among 45-64 year-old adults without a cancer history (2.69-4.42) and highest among older adult cancer survivors (3.42-14.73).
Conclusions:
Cancer was associated with limitations across age groups, with the highest age-stratified ORs observed among younger adults and for mobility and lower-extremity limitations. Stronger efforts to assess limitations as part of routine care and implement targeted interventions to address limitations are needed.
Implications For Cancer Survivors:
Functional limitations have been linked with poorer aging trajectories and lower quality of life in cancer and non-cancer populations. Routine screening to identify and discuss functional limitations with cancer patients may help reduce the burden of such limitations on survivors.
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