Abstract
Objective
To assess the reported baseline dietary intake of Hispanic and non-Hispanic white
breast cancer survivors in the Women's Healthy Eating and Living study, a randomized
plant-based dietary intervention clinical trial.
Design
Dietary data from 4 days repeated 24-hour recalls within 3 weeks included daily total
intake of energy, protein, carbohydrates, cholesterol, total fat, monounsaturated
fat, saturated fat, polyunsaturated fat, fruit/vegetable servings, carotenoids, alcohol,
caffeine, and percentage of energy from protein, carbohydrates, alcohol, and fats.
Subjects
One hundred sixty-five Hispanic breast cancer survivors age-matched to 165 non-Hispanic
white breast cancer survivors diagnosed with Stage I, II, or IIIA primary operable
breast cancer.
Statistical analyses
Two-sample t tests and Wilcoxon rank sum tests to compare dietary intake, and logistic and ordinal
logistic regression analyses to examine the association between ethnicity, alcohol,
and lycopene consumption, while controlling for place of birth, education, body mass
index, and time since diagnosis.
Results
Hispanics were more likely to be foreign-born (P<0.001), less educated (P<0.0001) and to consume higher amounts of lycopene (P=0.029), while non-Hispanic whites were more likely to consume alcohol (P=0.001). However, no differences were observed in the average amounts of alcohol consumed
or total percents of energy from alcohol. Both groups consumed more than five servings
of fruits and vegetables daily. Being Hispanic remained a significant predictor of
lower alcohol use (P=0.004) and higher lycopene consumption (P=0.005) after controlling for place of birth, education, body mass index, and time
since diagnosis.
Conclusions
There are more similarities than differences in the dietary intake of Hispanic and
non-Hispanic white breast cancer survivors in the Women's Healthy Eating and Living
study. Further analysis is needed to determine if higher lycopene consumption shown
among the Hispanic participants will translate to greater protection against breast
cancer recurrence or increased survival.
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Biography
M. A. Hernández-Valero is an instructor, T. Tran is program coordinator and research dietitian, R. A. Hajek is a senior research scientist, and L. A. Jones is a professor, Department of Health Disparities Research, M. Hernández and M. A. Detry are statistical analysts, Department of Biostatistics and Applied Mathematics, R. L. Theriault is a professor, Department of Breast Medical Oncology, Center for Research on Minority Health, The University of Texas M. D. Anderson Cancer Center, Houston.
Biography
C. A. Thomson is an associate professor, Department of Nutritional Sciences, University of Arizona, Tucson.
Biography
J. P. Pierce is a professor and S. W. Flatt is a senior statistician, University of California-San Diego Cancer Center, La Jolla.
Biography
B. J. Caan is a senior epidemiologist, Division of Research, Kaiser Foundation Research Institute, Oakland, CA.
Article info
Publication history
Accepted:
February 21,
2008
Identification
Copyright
© 2008 American Dietetic Association. Published by Elsevier Inc. All rights reserved.
