A Lifestyle Physical Activity Intervention for Older Sedentary Women

描述（由申请人提供）：这项新的研究者申请是为了PA-10-070学术研究增强奖（R15），它与NINR的使命一致，即开发以社区为基础的方法来促进健康和预防疾病。超过98%的老年妇女没有达到国家身体活动指南（PA）。有明确的证据表明，积极运动的生活方式在剂量-反应关系中降低了心脏病的人力和经济成本；但目前增加老年妇女长期PA的努力是不够的。本研究的目的是：1)确定使用个性化动机咨询干预方法促进老年久坐女性生活方式体力活动（LPA）的可行性；2)通过比较治疗组和信息/注意对照组在3个月和6个月时的基线和结果来检查干预效果；3)探讨行为改变阶段、自我效能感及其与LPA、功能健康的关系。这将是一项针对60岁及以上久坐不动的女性的单盲随机对照研究。我们将用生活方式体育活动（LPA）取代“有组织的有氧运动”，即每天以有目的的方式进行自我选择的活动，以满足国家PA指南。研究人员将从一家老年诊所招募120名可走动且认知完整的老年妇女，随机接受动机性LPA干预或信息/注意。妇女将在基线、3个月和6个月时进行评估。基于理论的行为干预来源于跨理论模型和其他循证体育活动研究。我们将使用由社会工作者提供的动机性访谈咨询技术，根据参与者的偏好，考虑他们的功能能力，量身定制LPA干预

DESCRIPTION (provided by applicant): This new investigator application is for the PA-10-070, Academic Research Enhancement Award (R15) and it is aligned with the mission of NINR to develop community-based approaches to promote health and prevent disease. Over 98% of older women do not meet national guidelines for physical activity (PA). There is clear evidence that a physically active lifestyle reduces the human and economic cost of heart disease in a dose-response relationship; but current efforts to increase long-term PA in older women are inadequate. The aims of this proposed research are to: 1) determine the feasibility of using an individually tailored motivational counseling intervention method to promote lifestyle physical activity (LPA) in older sedentary women; 2) examine intervention effects by comparing baseline to outcome measures at 3 and 6 months in treatment and information/attention comparison groups; and 3) explore stage of behavior change and self- efficacy and their relationship to LPA, along with functional health. This will be a single blinded randomized controlled study of sedentary women aged 60 years and older. We will replace "structured aerobic exercise" with lifestyle physical activity (LPA), i.e., self-selected activities performed daily in a purposeful manner to meet the national PA guidelines. A total of 120 older women who are ambulatory and cognitively intact will be recruited from a senior health clinic and randomized to receive either the motivational LPA intervention or information/attention. Women will be assessed at baseline, 3 and 6 months. The theoretically based behavioral intervention is derived from the Transtheoretical Model and other evidence-based physical activity research. We will use a Motivational Interviewing counseling technique delivered by a social worker to individually tailor the LPA intervention to participant preferences, taking into consideration their functional ability and need for information, readiness to change, and self-efficacy. Outcomes of the LPA intervention sessions will include tailored goals and an LPA plan. Intervention participants will also receive the newly developed NIA "Exercise & You" LPA informational booklet with companion DVD as well as motivational coaching via telephone calls, tapering in frequency for 6 months. The control group will receive the NIA LPA booklet with DVD and attention telephone calls. We will assess changes from baseline in LPA (primary outcome), readiness to change, and self-efficacy and function (secondary outcomes) and examine the associations between primary and secondary outcomes in both groups. The allied disciplines of Nursing, Gerontology, Social Work, and Medicine will collaborate to promote PA and cardiovascular health of older women. Undergraduate and graduate student research assistants will contribute to this project. This research has the potential to increase PA of sedentary older women and reduce CHD risks. If we could increase physical activity in our rapidly growing older population -even modestly, we could make a significant impact to the health of our nation. PUBLIC HEALTH RELEVANCE: Making physical activity an integral part of daily life is imperative to the health and well-being of our nation's older adults. However, no intervention strategy to encourage daily physical activity for older adults, especially older women, has been effective. This feasibility study will test a multi-tailored motivational intervention to increase sual lifestyle physical activity of older sedentary women to reduce their coronary heart disease risks.