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Promoting physical activity in breas...

Vallance, Jeffrey Kelcey Hayes.

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Promoting physical activity in breast cancer survivors: A randomized controlled trial.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Promoting physical activity in breast cancer survivors: A randomized controlled trial./
作者:	Vallance, Jeffrey Kelcey Hayes.
面頁冊數:	203 p.
附註:	Source: Dissertation Abstracts International, Volume: 68-07, Section: A, page: .
Contained By:	Dissertation Abstracts International68-07A.
標題:	Education, Health. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR29758
ISBN:	9780494297582

Promoting physical activity in breast cancer survivors: A randomized controlled trial.
Vallance, Jeffrey Kelcey Hayes.

Promoting physical activity in breast cancer survivors: A randomized controlled trial. - 203 p.

Source: Dissertation Abstracts International, Volume: 68-07, Section: A, page: .

Thesis (Ph.D.)--University of Alberta (Canada), 2007.

Introduction. Breast cancer and its treatments are often associated with negative side effects that affect quality of life (QoL) and may persist even years after treatment(s). One intervention that has been found to enhance psychosocial and physical outcomes in breast cancer survivors is physical activity (PA). A recent prospective cohort study of almost 3,000 breast cancer survivors reported that higher levels of PA were associated with reduced risks of breast cancer death and breast cancer recurrence. Despite the reported benefits of PA, the majority of breast cancer survivors are not meeting public health guidelines (i.e., at least 150 min•wk of moderate- to vigorous-intensity PA). Given these findings, interventions to increase PA in breast cancer survivors are warranted.

ISBN: 9780494297582Subjects--Topical Terms:

1017668
Education, Health.

Promoting physical activity in breast cancer survivors: A randomized controlled trial.
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245 1 0 $a Promoting physical activity in breast cancer survivors: A randomized controlled trial.
300 $a 203 p.
500 $a Source: Dissertation Abstracts International, Volume: 68-07, Section: A, page: .
502 $a Thesis (Ph.D.)--University of Alberta (Canada), 2007.
520 $a Introduction. Breast cancer and its treatments are often associated with negative side effects that affect quality of life (QoL) and may persist even years after treatment(s). One intervention that has been found to enhance psychosocial and physical outcomes in breast cancer survivors is physical activity (PA). A recent prospective cohort study of almost 3,000 breast cancer survivors reported that higher levels of PA were associated with reduced risks of breast cancer death and breast cancer recurrence. Despite the reported benefits of PA, the majority of breast cancer survivors are not meeting public health guidelines (i.e., at least 150 min•wk of moderate- to vigorous-intensity PA). Given these findings, interventions to increase PA in breast cancer survivors are warranted.
520 $a Purpose. The purpose of this trial was to (1) develop a breast cancer-specific theory of planned behavior (TPB) based PA guidebook and evaluate the suitability and appropriateness of this guidebook, (2) determine the effects of breast cancer-specific PA print materials (PM), a step pedometer (PED), or their combination (COM), on PA and QoL in breast cancer survivors compared to survivors receiving a standard verbal recommendation for PA (SR), and (3) examine the effects of the interventions on the TPB components.
520 $a Methods. Breast cancer-specific PA print materials were developed (Exercise for Health: An Exercise Guide for Breast Cancer Survivors). In Study 1, expert judges (N=30) evaluated the print materials by completing the Maine Area Health Education Center's 18-item attribute checklist for evaluating written health information. A subset of TPB expert judges (n=9) also completed items designed to determine the degree of match between the guidebook content and the respective TPB components. The Activity Promotion (ACTION) Trial (i.e., Study 2 and Study 3) was a four-armed, prospective randomized controlled trial. The Alberta Cancer Registry was used to identify breast cancer survivors residing in Northern Alberta, Canada diagnosed between January, 2000 and December, 2003. Interested and eligible breast cancer survivors (N=377) were randomly assigned to receive either: breast cancer-specific PA print materials (PM), a step pedometer (PED), or their combination (COM). Survivors completed assessments at baseline, four weeks, 3 months, and 9 months.
520 $a Results. Data from Study 1 provided preliminary evidence that the PA guidebook targeted the intended TPB components. Furthermore, these results indicated that the guidebook was suitable, appropriate, and fit to be implemented and tested. In Study 2, 377 Northern Alberta breast cancer survivors were randomly assigned to either PM, PED, or COM. Trial attrition was 10.3% (39 of 377). Data from Study 2 suggested that the PA behavior change modalities (i.e., print and pedometer) had beneficial effects on PA and QoL at 3 months and 9 months in our sample of breast cancer survivors. A combination of the PM with a step pedometer (i.e., COM) showed the greatest benefits for QoL and fatigue. Data from study 3 indicated that survivors receiving the interventions generally reported positive changes in the TPB constructs and beliefs compared to the SR group. We found partial support for our hypothesis in that changes in the TPB mediated the effects of our TPB interventions (i.e., PM and COM) on changes in PA behavior.
520 $a Conclusion. The ACTION Trial is the first study to examine the effects of PA print materials and pedometers on PA behavior and QoL in breast cancer survivors. Data from Study 1 and Study 2 suggests that PA print resources that are rigorously developed, theoretically-based, evaluated, and supplemented with an objective monitoring device (pedometer) have the potential to be valuable resources that can be used by the growing cohort of breast survivors (and other target populations). Data from Study 3 provided partial support for the use of the TPB as a framework for developing and implementing PA behavior change interventions in breast cancer survivors. Given that the majority of breast cancer survivors are not meeting public health guidelines (i.e., at least 150 min•wk of moderate- to vigorous-intensity PA), behavioral change strategies targeted toward breast cancer survivors such as print material and pedometers appear to be promising methods for facilitating PA behavior. This research may ultimately help breast cancer survivors enhance their QoL and reduce their risk of recurrence and early death from breast cancer through regular participation in PA.
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