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KMID : 1039620190090020204
Korean Journal of Family Practice
2019 Volume.9 No. 2 p.204 ~ p.211
Dietary Patterns Assessed by the Diet Quality Index-International Among Cancer Survivors Compared with Healthy Control Subjects: Using the Korea National Health and Nutrition Examination Surveys 2013-2015
Lee Yoo-Jin

Koo Hye-Yeon
Cho In-Young
Jo Min-Kyeung
Kim Kyung-Chul
Eum Yoon-Hee
Kim Ju-Young
Lee Ki-Heon
Lee Kee-Hyuck
Jung Se-Young
Lee Hye-Jin
Kim Sa-Rah
Han Jong-Soo
Abstract
Background: Dietary patterns have a significant impact on prognosis, recurrence, and survival in patients with cancer. This study investigated dietary patterns using the Diet Quality Index-International (DQI-I) in cancer survivors compared to those in the general population without cancer.

Methods: Using the Korea National Health and Nutrition Examination Survey VI data, cancer survivors were defined as those diagnosed with cancer more than 1 year before the survey. The associations between possible predictors and the DQI-I score were examined using t-tests and analysis of variance. Adjusted multiple linear regression analysis was performed to compare the differences in DQI-I scores between cancer survivors and controls.

Results: In univariate analysis of 9,351 subjects (433 cancer survivors and 8,918 controls), age, sex, body mass index, marital status, education level, income, residential area, smoking status, and alcohol consumption were associated with the DQI-I score (each P-value <0.05). After adjustment, cancer survivors showed higher DQI-I scores than the controls (67.40¡¾8.90 vs. 65.50¡¾9.40, P-value=0.007). In subgroup analysis, cancer survivors within 5 years after cancer diagnosis showed higher DQI-I scores than the controls (68.70¡¾8.30 vs. 65.50¡¾9.40, P-value=0.034), whereas those who survived beyond 5 years post-diagnosis did not show significant differences from the controls (66.70¡¾9.20 vs. 65.50¡¾9.40, P-value=0.063).

Conclusion: Cancer survivors within 5 years of cancer diagnosis showed better dietary patterns than those in the general population. However, the differences were not observed after 5 years post-diagnosis. To reduce the risks of second primary cancer and mortality, targeted inventions for dietary habits are necessary for long-term survivors of cancer.
KEYWORD
Diet Quality Index-International, Dietary Pattern, Cancer Survivors
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