ArticlePsycho-oncology2025
Understanding the Effects of Cancer-Related Factors on the Association Between Physical Activity, Self-Efficacy and Exercise Barriers Among Breast Cancer Survivors.
Article in Psycho-oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Understanding the Effects of Cancer-Related Factors on the Association Between Physical Activity and Quality of Life in Breast Cancer Survivors.Journal of physical activity & health · 2026Trial
- From Intention to Action: A Grounded Theory Study on the Staged Mechanisms of Postoperative Exercise Behavior Among Breast Cancer Patients.Patient preference and adherence · 2026Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
backgroundBreast cancer can negatively impact survivors' physical activity (PA). Social cognitive theory (SCT) constructs may be correlated with PA, but it is unclear if cancer-related factors affect these relationships.
aimsTo examine associations between PA, self-efficacy, social support, and exercise barriers interference in breast cancer survivors and whether cancer-related factors moderate these relationships.
methodsBaseline data from 341 post-primary treatment breast cancer survivors in a web-based diet/exercise intervention trial were analyzed. SCT constructs, accelerometry-measured and self-reported moderate-to-vigorous physical activity (MVPA), and cancer-related factors (stage, time since diagnosis, history of chemotherapy, history of radiation, and hormone therapy status) were examined using Pearson correlation analysis and multivariable linear regression analyses.
resultsExercise barriers interference was inversely associated with self-reported (r = -0.272, p < 0.001); and accelerometry-measured MVPA (r = -0.128, p = 0.020). No other statistically significant associations were found. Stage and history of chemotherapy moderated the association between social support and self-reported MVPA. The association was stronger among survivors diagnosed with DCIS/stage I versus stage II/III (β = 4.14, p = 0.043, CI = -2.20-10.49) and weaker among individuals who previously received chemotherapy versus no chemotherapy history (β = -5.02, p = 0.026, CI = -11.51-1.47); effects were independent of one another.
conclusionsCancer stage and previous chemotherapy moderate the association between social support and MVPA. Targeting social support in early-stage breast cancer survivors or survivors that did not receive chemotherapy may improve intervention effectiveness.
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