Development and Evaluation of a Physical Activity Intervention for Latina Girls

拉丁裔女孩体育活动干预措施的制定和评估

• 批准号: 8896880
• 负责人: Britta Larsen
• 金额: $ 4.04万
• 依托单位: UNIVERSITY OF CALIFORNIA, SAN DIEGO
• 依托单位国家: 美国
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-07-23 至 2017-05-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/8896880
• 关键词: Address; Adherence; Adolescence; Adolescent; Adopted; Adoption; Adult; Age; Appearance; Behavior; Characteristics; Child; Computers; Consumer Satisfaction; Data; Daughter; Development; Diabetes Mellitus; Disease; Dose; Educational process of instructing; Effectiveness of Interventions; Evaluation; Expert Systems; Face; Female Adolescents; Foundations; Gender; Goals; Habits; Health; Health Resources; Incidence; Internet; Intervention; Intervention Studies; Intervention Trial; Interview; Latina; Latino; Learning; Measures; Mediator of activation protein; Methods; Minority Groups; Modeling; Modification; Monitor; Mothers; Obesity; Online Systems; Parents; Participant; Phase; Physical activity; Population; Public Health; Randomized Controlled Trials; Recruitment Activity; Reporting; Research; Risk; Risk Factors; Sampling; Self Efficacy; Series; Social support; Structure; Testing; Time; Training; United States; Woman; Work; Youth; arm; base; behavior change; cost; design; experience; girls; group intervention; health disparity; interest; intervention program; parental involvement; parental role; pilot trial; programs; psychosocial; sedentary; sedentary lifestyle; social cognitive theory; socioeconomics; theories; trend; user-friendly; web site

DESCRIPTION (provided by applicant): Young Latina girls report especially low rates of physical activity, and have also shown the marked recent increases in incidence of sedentary-related diseases such as diabetes and obesity. Increasing physical activity could reduce risk factors for these diseases, yet this population has largely been excluded from interventions. This population faces cultural, gender, and SES barriers to activity, and as such needs interventions tailored to their unique needs. Our research team has extensive experience developing and implementing state-of-the-art individually tailored computer expert system-driven physical activity interventions (based on Social Cognitive Theory and the Transtheoretical Model), and has done extensive work modifying these interventions specifically for Latina women. In R21NR009864, we culturally and linguistically adapted our existing tailored intervention for sedentary Latina women and conducted a small pilot trial of the modified program (N=93). [This was recently tested in an RCT with Latinas (R01NR011295), and six-month findings showed significantly greater increases in PA in the intervention group (Mean Increase=71.66 min/wk, sd=89.92) than in controls (M=29.58, sd=84.37). This is now being tested (R01CA15995401) in a large web-based RCT.] For the current proposal, we will further modify this intervention specifically for young Latina girls and then test its feasibility and acceptability in a single arm demonstration trial. Social support, particularly parental support, i strongly predictive of greater physical activity in adolescents, thus the incorporation of parental support is likely to enhance the effectiveness of this intervention. Because the Latina women completing our current web-based intervention (R01CA15995401) will have recently increased their own physical activity, they are uniquely poised to provide invaluable support to their daughters. Therefore, to capitalize on the role of parental support, we will recruit and target young Latinas whose mothers have completed our current RCT. In Phase 1, we will conduct formative semi-structured interviews with 15 young Latinas (age [13-18]) and their mothers to guide the modification of our intervention website and materials to make them appropriate and user friendly for young Latinas, to determine the key barriers to activity unique to this populatio, [and to determine social support needs in mothers]. In Phase 2, we will conduct a one-arm 12-week open trial of the intervention with 25 young Latinas whose mothers have completed our ongoing intervention. Data will be collected at baseline and 12- weeks using the 7-Day PAR and accelerometers, as well as comprehensive psychosocial measures developed specifically for youth. Data from this trial will be used to determine the feasibility and acceptability of the intervention, and in-depth qualitative interviews will be conducted at completion to inform modification of the intervention for a larger trial for mothers and daughters. Such interactive web-based interventions are high reach and low cost, thus they have great potential for adoption on a larger scale and, consequently, have potential to reduce widening public health disparities.

描述（由申请人提供）：年轻的拉丁女孩报告的身体活动率特别低，而且最近与久坐有关的疾病（如糖尿病和肥胖症）的发病率也明显增加。增加身体活动可以减少这些疾病的风险因素，但这一人群在很大程度上被排除在干预措施之外。这一人群在活动方面面临文化、性别和社会经济地位障碍，因此需要针对其独特需求量身定制干预措施。我们的研究团队在开发和实施最先进的个人定制计算机专家系统驱动的体育活动干预（基于社会认知理论和跨理论模型）方面拥有丰富的经验，并专门为拉丁裔妇女修改了这些干预措施。在R21NR009864中，我们在文化和语言上对我们现有的针对久坐不动的拉丁裔女性的量身定制干预进行了调整，并对修改后的计划进行了小规模的试点试验（N=93）。[最近在一项拉丁裔的随机对照试验（R01NR011295）中进行了测试，六个月的结果显示，干预组的PA增加明显大于对照组（M=29.58, sd=84.37）（平均增加=71.66分钟/周，sd=89.92）。目前正在一项大型基于网络的随机对照试验中进行测试（R01CA15995401）。对于目前的建议，我们将进一步修改该干预措施，专门针对年轻的拉丁女孩，然后在单臂示范试验中测试其可行性和可接受性。社会支持，特别是父母的支持，对青少年更多的体育活动有很强的预测作用，因此父母的支持也被纳入其中