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Associations between fruit and vegetable, and antioxidant nutrient intake and age-related macular degeneration by smoking status in elderly Korean men

Title
Associations between fruit and vegetable, and antioxidant nutrient intake and age-related macular degeneration by smoking status in elderly Korean men
Authors
Kim E.-K.Kim H.Vijayakumar A.Kwon O.Chang N.
Ewha Authors
장남수권오란김혜숙
SCOPUS Author ID
장남수scopus; 권오란scopus; 김혜숙scopus
Issue Date
2017
Journal Title
Nutrition Journal
ISSN
1475-2891JCR Link
Citation
vol. 16, no. 1
Keywords
Age-related macular degenerationAntioxidantsElderly male smokersFruit and vegetablesKNHANES
Publisher
BioMed Central Ltd.
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Background: Age-related macular degeneration (AMD) is one of the major causes of irreversible blindness. The objective of this study was to determine whether there is any relationship between dietary intake of fruits and vegetables (F&V) and antioxidant nutrients including carotenoids and AMD according to smoking status in elderly men. Methods: We performed a cross-sectional analysis using nationally representative samples of elderly aged ≥ 65 years (n = 1414) from the Korea National Health and Nutrition Examination Survey (KNHANES, 2010-2012). Results: The current smokers consumed less food in total, and, in particular, less cereals/potatoes/sugar products, fruits and vegetables than the nonsmokers and former smokers (p < 0.05). Intake of energy, thiamin, vitamin C, Vitamin A, and β-carotene were significantly lower in the current smokers than in the nonsmokers and the former smokers. For current smokers, the ORs of the highest tertile compared with the lowest tertile were 0.36 (95% CI: 0.14-0.96, p for trend = 0.0576) for F&V, 0.32 (95% CI: 0.12-0.85, p for trend = 0.0561) for vitamin C, 0.23 (95% CI: 0.08-0.67, p for trend = 0.0038) for α-carotene, 0.13 (95% CI: 0.04-0.46, p for trend = 0.0003) for β-carotene after adjusting for confounding factors. In contrast, there was no association between antioxidant nutrient intake and AMD among the nonsmokers and former smokers. Conclusions: These results suggest that increased consumption of fruits and vegetables containing antioxidant components such as vitamin C, α-carotene, and β-carotene may have a protective effect on AMD. These effects may be more evident among current smokers. © 2017 The Author(s).
DOI
10.1186/s12937-017-0301-2
Appears in Collections:
신산업융합대학 > 식품영양학과 > Journal papers
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