Innovative Newsletter Interventions Improve Fruit and Vegetable Consumption in Healthy Adults
Abstract
Objective To evaluate the effectiveness of computer-tailored newsletter interventions in improving the number and variety of fruits and vegetables eaten by adults.Design The 4-group randomized trial with pre- and postintervention measures consisted of a control group and 3 intervention groups receiving nontailored newsletters, computer-tailored newsletters, or tailored newsletters with tailored goal-setting information. Intervention groups received 1 newsletter each month for 4 months.Subjects Baseline surveys were completed by 710 health maintenance organization clients. Postintervention surveys administered 6 months after baseline were completed by 573 participants (80.8%).Intervention All newsletters contained strategies for improving fruit and vegetable consumption. Tailored newsletters used computer algorithms to match a person's baseline survey information with the most relevant newsletter messages for promoting dietary change.Main outcome measures Daily intake and weekly variety of fruits and vegetables were measured using a food frequency questionnaire.Statistical analyses performed Analysis of covariance and Tukey's honestly significant difference test were used to assess differences in the number and variety of fruits and vegetables consumed among intervention groups.Results For persons completing postintervention surveys (n = 573), all 3 newsletter groups had significantly higher daily intake and variety scores compared with the control group. Although there was a trend of improved intake and variety with each added newsletter element, there were no significant differences at follow-up among the newsletter groups.Conclusions Newsletters can be effective in improving the fruit and vegetable consumption of adults. In this study, a computer-tailoring system did not significantly enhance the effect of the nutrition newsletters on fruit and vegetable intake.
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In the 5-A-Day campaign, sending newsletters with strategies for improving consumption of fruits and vegetables and goal-setting information increased the frequency and variety of fruit and vegetable consumption.
“In the 5-A-Day campaign, sending newsletters with strategies for improving consumption of fruits and vegetables and goal-setting information increased the frequency and variety of fruit and vegetable consumption.57”
From Population Approaches to Improve Diet, Physical Activity, and Smoking Habits: A Scientific Statement From the American Heart Association (2012) · cites this paper as [57]
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- Authors
- LUTZ, S. F., AMMERMAN, A. S., ATWOOD, J. R., CAMPBELL, M. K., DeVELLIS, R. F., & ROSAMOND, W. D.
- Affiliations
- University of North Carolina at Chapel Hill (US)
- University of Nebraska Medical Center (US)
- Corresponding author
- LUTZ, SUSAN F
- Venue
- Journal of the American Dietetic Association
- Publisher
- Elsevier BV
- Published
- 1999-06
- Volume
- 99
- Issue
- 6
- Pages
- 705-709
- ISSN
- 0002-8223 (ISSN-L)
- OpenAlex
- W1965595024
- Cited by
- 86
- References
- 32
- Citations by year
- 2023: 1 · 2022: 4 · 2020: 2 · 2018: 3 · 2017: 2 · 2015: 1 · 2014: 3 · 2013: 5 · 2012: 6
- FWCI
- 4.05
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the American Dietetic Association (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
- Social Sciences › Psychology › Applied Psychology › Behavioral Health and Interventions
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
- Keywords
- fruit and vegetable intake, computer-tailored intervention, goal setting, dietary change, healthy adults, food frequency questionnaire
- MeSH terms
- Adult, Diet, Educational Status, Female, Fruit, Health Education, Humans, Income, Male, Periodicals as Topic, Vegetables
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