Effects of a multicomponent physical activity behavior change intervention on fatigue, anxiety, and depressive symptomatology in breast cancer survivors: randomized trial
- PMID: 27530961
- PMCID: PMC5511085
- DOI: 10.1002/pon.4254
Effects of a multicomponent physical activity behavior change intervention on fatigue, anxiety, and depressive symptomatology in breast cancer survivors: randomized trial
Abstract
Objectives: To determine the effects of the 3-month multicomponent Better Exercise Adherence after Treatment for Cancer (BEAT Cancer) physical activity behavior change intervention on fatigue, depressive symptomatology, and anxiety.
Methods: Postprimary treatment breast cancer survivors (n = 222) were randomized to BEAT Cancer or usual care. Fatigue Symptom Inventory and Hospital Anxiety and Depression Scale were assessed at baseline, postintervention (month 3; M3), and follow-up (month 6; M6).
Results: Adjusted linear mixed-model analyses demonstrated significant effects of BEAT Cancer vs usual care on fatigue intensity (M3 mean between group difference [M] = -0.6; 95% confidence interval [CI] = -1.0 to -0.2; effect size [d] = -0.32; P = .004), fatigue interference (M3 M = -0.8; CI = -1.3 to -0.4; d = -0.40; P < .001), depressive symptomatology (M3 M = -1.3; CI = -2.0 to -0.6; d = -0.38; P < .001), and anxiety (M3 M = -1.3; CI = -2.0 to -0.5; d = -0.33; P < .001). BEAT Cancer effects remained significant at M6 for all outcomes (all P values <.05; d = -0.21 to -.35). Clinically meaningful effects were noted for fatigue intensity, fatigue interference, and depressive symptomatology.
Conclusions: BEAT Cancer reduces fatigue, depressive symptomatology, and anxiety up to 3 months postintervention in postprimary treatment breast cancer survivors. Further study is needed to determine sustainable methods for disseminating and implementing the beneficial intervention components.
Keywords: cancer; exercise; oncology; psychosocial; survivorship.
Copyright © 2016 John Wiley & Sons, Ltd.
Conflict of interest statement
Laura Rogers and all contributing authors declare they have no personal or professional relationships that may represent a potential conflict of interest. All procedures, including the informed consent process, were conducted in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000.
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