Cancer Risk Reduction through Dietary Intervention

描述(由申请者提供)：这一第二阶段的SBIR将开发和测试一种基于理论、适合发展和特定文化的干预措施，旨在促进11至14岁经济困难的黑人早期青少年增加水果和蔬菜的消费。借鉴理论和实证的饮食行为改变文献和第一阶段数据，第二阶段将起草干预内容。形成性评价程序将确保干预内容在文化和发展方面适合目标人群。干预措施将由一个专家小组、一个有与经济上处于不利地位的黑人青年打交道的社区专业人员小组和代表目标人口的48名青年组成的样本进行连续审查。将根据这些被调查者提供的反馈对干预措施进行修订，干预措施将以光盘为媒介进行编程。在随机受试者的前测-后测控制组设计中，将检验CD-ROM介导性干预相对于不干预的有效性。 通过大纽约市的青年服务机构招募的974名知情和同意的青年将被随机分配到实验和对照研究部队。ARM实验青年将在为期八个月的四个现场课程中与该软件互动。青少年将在干预前和干预后完成结果测量组件。结果分析将确定计算机中介干预在增加青年水果和蔬菜消费以及促进水果和蔬菜消费变化阶段的前进方面的效果。如果光盘干预被证明是有效的，将通过直接营销努力以及通过与面向青年的健康促进方案的分销商签订许可协议，将其传播给学校和青年服务机构，类似于从事这一研究和开发工作的机构。

DESCRIPTION (provided by applicant): This Phase II SBIR will develop and test a theory based, developmentally appropriate, and culturally specific intervention designed to promote increased fruit and vegetable consumption among economically disadvantaged Black early adolescents aged 11 through 14 years. Drawing from the theoretical and empirical dietary behavior change literature and Phase I data, Phase II will draft intervention content. Formative evaluation procedures will ensure that intervention content is culturally and developmentally appropriate for the target population. The intervention will undergo successive reviews by an expert panel; a panel of community-based professionals that have experience working with economically disadvantaged Black youths; and a sample of 48 youths representative of the target population. Revisions will be made to the intervention based on feedback provided by these referents, and the intervention will be programmed for CD-ROM-mediated delivery. The efficacy of the CD-ROM-mediated intervention, relative to no intervention, will be examined in a randomized-subjects pretest-posttest control group design. Recruited through youth services agencies across greater New York City, 974 informed and consenting youths will be randomized to experimental and control study arms. Experimental arm youths will interact with the software in four on-site sessions delivered over an eight-month period. Youths will complete outcome measurement batteries before and after intervention. Outcome analyses will determine the efficacy of the computer-mediated intervention in increasing youth's fruit and vegetable consumption and promoting forward movement through the stages of change for fruit and vegetable consumption. Should the CD-ROM intervention prove effective, it will be disseminated to schools and youth services agencies similar to those engaged in this research and development effort through direct marketing efforts and through licensing agreements with distributors of youth-oriented health promotion programs.