Research Current Research| Volume 108, ISSUE 8, P1323-1329, August 2008

Comparison of Baseline Dietary Intake of Hispanic and Matched Non-Hispanic White Breast Cancer Survivors Enrolled in the Women's Healthy Eating and Living Study



      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.


      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.


      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.


      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.


      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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      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.


      C. A. Thomson is an associate professor, Department of Nutritional Sciences, University of Arizona, Tucson.


      J. P. Pierce is a professor and S. W. Flatt is a senior statistician, University of California-San Diego Cancer Center, La Jolla.


      B. J. Caan is a senior epidemiologist, Division of Research, Kaiser Foundation Research Institute, Oakland, CA.