Maintaining Physical Activity in Ethnic Minority Women

保持少数民族妇女的身体活动

• 批准号: 6923104
• 负责人: Rebecca Elizabeth Lee
• 金额: $ 52.05万
• 依托单位: UNIVERSITY OF HOUSTON
• 依托单位国家: 美国
• 财政年份: 2005
• 资助国家: 美国
• 起止时间: 2005-05-19 至 2010-04-30
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6923104
• 关键词: African American; Hispanic Americans; actigraphy; behavioral /social science research tag; blood pressure; body composition; body physical activity; clinical research; culture; female; health behavior; human subject; human therapy evaluation; longitudinal human study; motivation; patient oriented research; physical fitness; questionnaires; self concept; social support network; socioenvironment; women' s health

DESCRIPTION (provided by applicant): Physical inactivity contributes to health maladies including breast and colon cancers directly, and numerous other cancers indirectly, in part by contributing to obesity. Ethnic minorities report higher rates of physical inactivity and obesity. Individually-focused physical activity (PA) interventions are initially effective. Up to 50% drop out within 6 months, and maintenance continues to decline after this time. Ecological models posit that environments do not support PA impede PA maintenance. There have been few investigations testing the combined effects of supportive environments with individually focused interventions that increase PA. The purpose of the proposed study is (1) to determine whether a 24 week social cohesion intervention (SOCO) is more effective for adopting walking for leisure exercise and transport in comparison to a delayed control (CONT), (2) to determine whether walking is more effectively maintained by participants who reside in highly supportive PA areas (HIGH) in comparison to those who reside in low supportive PA areas (LOW), and (3) to determine whether this effect is transculturally replicable across 2 cultural groups from 2 cities. African American women in Houston and Hispanic women in Austin will be recruited from churches and community centers and randomized to either SOCO or CONT. Participants' neighborhoods will be classified as HIGH or LOW supportive. Participants will complete written socio demographic, walking (International Physical Activity Questionnaire), and health measures at baseline (T1), post intervention (T2), and 6 month follow-up (T3). Participants will complete accelerometer assessments as a validity check. It is hypothesized that (1) participants in SOCO will report more walking at T2 than CONT, (2) SOCO participants residing in HIGH neighborhoods will report greater minutes of walking than LOW at T3, and (3) this effect will be transculturally replicable. If supported, hypotheses will suggest that the sustained effect of SOCO strategies is moderated by environmental supports.

描述（由申请人提供）：缺乏身体活动会直接导致健康疾病，包括乳腺癌和结肠癌，以及间接导致许多其他癌症，部分原因是导致肥胖。少数族裔缺乏身体活动和肥胖的比例较高。针对个人的体力活动 (PA) 干预措施最初是有效的。 高达 50% 的人在 6 个月内退出，此后维持率继续下降。生态模型认为，不支持 PA 的环境会阻碍 PA 维护。很少有研究测试支持性环境与提高 PA 的单独干预措施的综合效果。拟议研究的目的是 (1) 确定 24 周社会凝聚力干预 (SOCO) 是否比延迟控制 (CONT) 更有效地采用步行进行休闲锻炼和交通，(2) 确定步行是否更有效与居住在低支持性 PA 区域 (LOW) 的参与者相比，居住在高支持性 PA 区域 (HIGH) 的参与者能够更有效地维持这一效应，并且 (3) 确定这种效应是否可以跨文化地在 2 个城市的 2 个文化群体中复制。休斯顿的非裔美国女性和奥斯汀的西班牙裔女性将从教堂和社区中心招募，并随机分配到 SOCO 或 CONT。参与者的社区将被分为高支持度或低支持度。参与者将在基线 (T1)、干预后 (T2) 和 6 个月随访 (T3) 时完成书面社会人口统计、步行（国际体育活动问卷）和健康测量。参与者将完成加速度计评估作为有效性检查。假设 (1) SOCO 参与者报告在 T2 的步行时间比 CONT 更多，(2) 居住在 HIGH 社区的 SOCO 参与者报告在 T3 的步行分钟数比 LOW 更长，(3) 这种效应将在跨文化上可复制。如果得到支持，假设将表明 SOCO 策略的持续效果受到环境支持的调节。