A randomized trial of a tailored, self-help dietary intervention: The Puget Sound Eating Patterns study

被引:98
作者
Kristal, AR
Curry, SJ
Shattuck, AL
Feng, ZD
Li, S
机构
[1] Fred Hutchinson Canc Res Ctr, Canc Prevent Res Program, Seattle, WA 98109 USA
[2] Univ Washington, Dept Epidemiol, Seattle, WA 98195 USA
[3] Univ Washington, Nutr Sci Program, Seattle, WA 98195 USA
[4] Univ Washington, Dept Hlth Serv, Seattle, WA 98195 USA
[5] Grp Hlth Cooperat Puget Sound, Ctr Hlth Studies, Seattle, WA 98101 USA
基金
美国国家卫生研究院;
关键词
intervention studies; health promotion; food habits; randomized controlled trials; fruit; vegetables; dietary fats;
D O I
10.1006/pmed.2000.0711
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background This study evaluated a tailored, multiple-component self-help intervention designed to promote lower fat and higher fruit and vegetable consumption, Methods. Participants were 1,459 adults selected at random, stratified by sex and age (18-34, 35-54, 55-69), from enrollees of a large health maintenance organization, After completing a baseline telephone survey, participants were randomized to receive the intervention (consisting of a computer-generated personalized letter, a motivational phone call, a self-help manual, a package of supplementary materials, computer-generated behavioral feedback based on a self-administered food frequency questionnaire, and newsletters) or to receive no materials. Evaluation was based on 1,205 (86.5%) participants who completed both a 3- and a 12-month follow up survey. Results. The intervention effect +/- SE for fat, based on a diet habits questionnaire, was -0.10 +/- 0.02 (P < 0.001), corresponding to a reduction of approximately 0.8 percentage points of percentage energy from fat. For fruits and vegetables, the intervention effect was 0.47 +/- 0.10 servings/day (P < 0.001). Intervention effects were similar across age and sex groups. Conclusions, Tailored, self-help interventions can effectively promote dietary change among both men and women and among younger as well as older adults. (C) 2000 American Health Foundation and Academic Press.
引用
收藏
页码:380 / 389
页数:10
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