Telephone counseling helps maintain long-term adherence to a high-vegetable dietary pattern

John P. Pierce, Vicky A. Newman, Loki Natarajan, Shirley W. Flatt, Wael K. Al-Delaimy, Bette J. Caan, Jennifer A. Emond, Susan Faerber, Ellen B. Gold, Richard A. Hajek, Kathryn Hollenbach, Lovell A. Jones, Njeri Karanja, Sheila Kealey, Lisa Madlensky, James Marshall, Cheryl Ritenbaugh, Cheryl L. Rock, Marcia L. Stefanick, Cynthia ThomsonLinda Wasserman, Barbara A. Parker

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Achieving long-term adherence to a dietary pattern is a challenge in many studies investigating the relationship between diet and disease. The Women's Healthy Eating and Living Study was a multi-institutional randomized trial in 3088 women at risk for breast cancer recurrence. At baseline, the average participant followed a healthy dietary pattern of 7 vegetable and fruit servings, 21 g/d of fiber, and 28.7% energy from fat, although fat intake increased over the enrollment period. Using primarily telephone counseling, the intervention group was encouraged to substantially increase intakes of vegetables, fruits, and fiber while decreasing fat intake. Sets of 24-h dietary recalls were completed on 90% of eligible participants at 1 y and 86% at 4 y. Using a conservative imputation analysis, at 1 y, the intervention group consumed 38% more vegetable servings (100% when including juice) than the comparison group, 20% more fruit, 38% more fiber, 50% more legumes, and 30% more whole grain foods, with a 20% lower intake of energy from fat. At 4 y, the between-group differences were 65% for vegetables (including juice), 25% fruit, 30% fiber, 40% legumes, 30% whole grain foods, and 13% lower intake of energy from fat. The intervention effect on fat intake was similar for early vs. late enrollees. Plasma carotenoid concentrations on a random 28% sample validated self-reported vegetable and fruit intake, with a between-group difference of 66% at 1 y and over 40% at 4 y. This large change will allow testing of hypotheses on the role of dietary change in preventing additional breast cancer events.

Original languageEnglish (US)
Pages (from-to)2291-2296
Number of pages6
JournalJournal of Nutrition
Volume137
Issue number10
StatePublished - Oct 2007

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counseling
eating habits
Telephone
Vegetables
Counseling
dietary fiber
fat intake
vegetables
Fats
Fruit
fruits
whole grain foods
vegetable consumption
breast neoplasms
energy intake
legumes
lipids
vegetable juices
Energy Intake
Fabaceae

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science

Cite this

Pierce, J. P., Newman, V. A., Natarajan, L., Flatt, S. W., Al-Delaimy, W. K., Caan, B. J., ... Parker, B. A. (2007). Telephone counseling helps maintain long-term adherence to a high-vegetable dietary pattern. Journal of Nutrition, 137(10), 2291-2296.

Telephone counseling helps maintain long-term adherence to a high-vegetable dietary pattern. / Pierce, John P.; Newman, Vicky A.; Natarajan, Loki; Flatt, Shirley W.; Al-Delaimy, Wael K.; Caan, Bette J.; Emond, Jennifer A.; Faerber, Susan; Gold, Ellen B.; Hajek, Richard A.; Hollenbach, Kathryn; Jones, Lovell A.; Karanja, Njeri; Kealey, Sheila; Madlensky, Lisa; Marshall, James; Ritenbaugh, Cheryl; Rock, Cheryl L.; Stefanick, Marcia L.; Thomson, Cynthia; Wasserman, Linda; Parker, Barbara A.

In: Journal of Nutrition, Vol. 137, No. 10, 10.2007, p. 2291-2296.

Research output: Contribution to journalArticle

Pierce, JP, Newman, VA, Natarajan, L, Flatt, SW, Al-Delaimy, WK, Caan, BJ, Emond, JA, Faerber, S, Gold, EB, Hajek, RA, Hollenbach, K, Jones, LA, Karanja, N, Kealey, S, Madlensky, L, Marshall, J, Ritenbaugh, C, Rock, CL, Stefanick, ML, Thomson, C, Wasserman, L & Parker, BA 2007, 'Telephone counseling helps maintain long-term adherence to a high-vegetable dietary pattern', Journal of Nutrition, vol. 137, no. 10, pp. 2291-2296.
Pierce JP, Newman VA, Natarajan L, Flatt SW, Al-Delaimy WK, Caan BJ et al. Telephone counseling helps maintain long-term adherence to a high-vegetable dietary pattern. Journal of Nutrition. 2007 Oct;137(10):2291-2296.
Pierce, John P. ; Newman, Vicky A. ; Natarajan, Loki ; Flatt, Shirley W. ; Al-Delaimy, Wael K. ; Caan, Bette J. ; Emond, Jennifer A. ; Faerber, Susan ; Gold, Ellen B. ; Hajek, Richard A. ; Hollenbach, Kathryn ; Jones, Lovell A. ; Karanja, Njeri ; Kealey, Sheila ; Madlensky, Lisa ; Marshall, James ; Ritenbaugh, Cheryl ; Rock, Cheryl L. ; Stefanick, Marcia L. ; Thomson, Cynthia ; Wasserman, Linda ; Parker, Barbara A. / Telephone counseling helps maintain long-term adherence to a high-vegetable dietary pattern. In: Journal of Nutrition. 2007 ; Vol. 137, No. 10. pp. 2291-2296.
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