Social cognitive variables and physical activity during chemotherapy for breast cancer: An intensive longitudinal examination

2021 ◽  
Author(s):  
Lisa A. Auster‐Gussman ◽  
Kara L. Gavin ◽  
Juned Siddique ◽  
Whitney A. Welch ◽  
Payton Solk ◽  
...  
2020 ◽  
Vol 29 (12) ◽  
pp. 2608-2616
Author(s):  
Siobhan M. Phillips ◽  
Whitney A. Welch ◽  
Jason Fanning ◽  
Cesar A. Santa-Maria ◽  
Kara L. Gavin ◽  
...  

2017 ◽  
Vol 37 (6) ◽  
pp. 657-669 ◽  
Author(s):  
Stephanie L. Fowler ◽  
William M. P. Klein ◽  
Linda Ball ◽  
Jaclyn McGuire ◽  
Graham A. Colditz ◽  
...  

2011 ◽  
Vol 27 (1) ◽  
pp. 129-140 ◽  
Author(s):  
L. Parschau ◽  
J. Richert ◽  
M. Koring ◽  
A. Ernsting ◽  
S. Lippke ◽  
...  

2011 ◽  
Vol 33 (2) ◽  
pp. 235-254 ◽  
Author(s):  
Laura Q. Rogers ◽  
Stephen Markwell ◽  
Patricia Hopkins-Price ◽  
Sandy Vicari ◽  
Kerry S. Courneya ◽  
...  

To better understand mechanisms of physical activity (PA) behavior change in breast cancer survivors, we examined mediation of a successful PA behavior change intervention by social cognitive theory (SCT) constructs. Our exploratory study randomized 41 breast cancer survivors to receive the 3-month intervention (INT) or usual care (UC). We used the Freedman and Schatzkin approach to examine mediation of intervention effect on PA 3 months postintervention by changes in SCT constructs from baseline to immediately postintervention. Compared with UC, the INT group reported lower barriers interference (mean difference = −7.8, 95% CI [−15.1, −0.4], d = −0.67, p = .04) and greater PA enjoyment (mean difference = 0.7, 95% CI [0, 1.5], d = 0.61, p = .06). Barriers interference mediated 39% (p = .004) of the intervention effect on PA 3 months postintervention. PA enjoyment was not a significant mediator. Reducing barriers to PA partially explained our intervention effect.


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