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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.
Nutr J 2017; 16(1):77NJ

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.

Authors+Show Affiliations

Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, 120-750, Republic of Korea.Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, 120-750, Republic of Korea.Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, 120-750, Republic of Korea.Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, 120-750, Republic of Korea.Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, 120-750, Republic of Korea. nschang@ewha.ac.kr.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29202844

Citation

Kim, Eun-Kyung, et al. "Associations Between Fruit and Vegetable, and Antioxidant Nutrient Intake and Age-related Macular Degeneration By Smoking Status in Elderly Korean Men." Nutrition Journal, vol. 16, no. 1, 2017, p. 77.
Kim EK, Kim H, Vijayakumar A, et al. Associations between fruit and vegetable, and antioxidant nutrient intake and age-related macular degeneration by smoking status in elderly Korean men. Nutr J. 2017;16(1):77.
Kim, E. K., Kim, H., Vijayakumar, A., Kwon, O., & Chang, N. (2017). Associations between fruit and vegetable, and antioxidant nutrient intake and age-related macular degeneration by smoking status in elderly Korean men. Nutrition Journal, 16(1), p. 77. doi:10.1186/s12937-017-0301-2.
Kim EK, et al. Associations Between Fruit and Vegetable, and Antioxidant Nutrient Intake and Age-related Macular Degeneration By Smoking Status in Elderly Korean Men. Nutr J. 2017 Dec 4;16(1):77. PubMed PMID: 29202844.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Associations between fruit and vegetable, and antioxidant nutrient intake and age-related macular degeneration by smoking status in elderly Korean men. AU - Kim,Eun-Kyung, AU - Kim,Hyesook, AU - Vijayakumar,Aswathy, AU - Kwon,Oran, AU - Chang,Namsoo, Y1 - 2017/12/04/ PY - 2017/05/30/received PY - 2017/11/27/accepted PY - 2017/12/6/entrez PY - 2017/12/6/pubmed PY - 2018/7/31/medline KW - Age-related macular degeneration KW - Antioxidants KW - Elderly male smokers KW - Fruit and vegetables KW - KNHANES SP - 77 EP - 77 JF - Nutrition journal JO - Nutr J VL - 16 IS - 1 N2 - 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. SN - 1475-2891 UR - https://www.unboundmedicine.com/medline/citation/29202844/Associations_between_fruit_and_vegetable_and_antioxidant_nutrient_intake_and_age_related_macular_degeneration_by_smoking_status_in_elderly_Korean_men_ L2 - https://nutritionj.biomedcentral.com/articles/10.1186/s12937-017-0301-2 DB - PRIME DP - Unbound Medicine ER -