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Dietary and lifestyle risk factors associated with age‑related macular degeneration: A hospital based study

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Title Dietary and lifestyle risk factors associated with age‑related macular
degeneration: A hospital based study
 
Creator Nidhi, Bhatiwada
Mamatha, B. S.
Padmaprabhu, A.
Pallavi, P.
Baskaran, V.
 
Subject 14 Carotenoid Chemistry
 
Description To establish the frequency, associations and risk factors for age‑related macular degeneration (AMD)
in hospital population of South India. Materials and Methods: In this cross‑sectional hospital based
study, 3549 subjects (2090 men and 1459 women) above 45 years of age were screened randomly for AMD.
Participants underwent ocular evaluation and were interviewed for lifestyle variables and dietary intake of
carotenoids by structured food frequency questionnaire. AMD was defined according to the international
classifications and grading system. Results: Either form of AMD was detected in 77 (2.2%) participants.
Of which, early and late AMD was present in 63 (1.8%) and 14 (0.4%) subjects, respectively. Binary logistic
analysis showed that the incidence of AMD was significantly higher with increasing age (Odds ratio [OR]
1.17; 95% CI 1.13‑1.22) and diabetes (OR 3.97; 95% CI 2.11‑7.46). However, AMD was significant among
heavy cigarette smokers (OR 5.58; 95% CI 0.88‑7.51) and alcoholics (OR 4.85; 95% CI 2.45‑12.22). Dietary
lutein/zeaxanthin (L/Z) and b‑carotene intake were associated (P < 0.001) with the reduction in risk for
AMD, with an OR of 0.38 and 0.65, respectively. Conclusions: Higher dietary intake of carotenoids,
especially L/Z, was associated with lower risk for AMD. Risk of AMD is higher with increasing age and was
prevalent among subjects with diabetes. Cessation of smoking and alcohol may reduce the risk of AMD in
this population.
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://ir.cftri.com/12338/1/IndianJOphthalmol6112722-7729592_020849.pdf
Nidhi, Bhatiwada and Mamatha, B. S. and Padmaprabhu, A. and Pallavi, P. and Baskaran, V. (2013) Dietary and lifestyle risk factors associated with age‑related macular degeneration: A hospital based study. Indian Journal of Ophthalmology, 61 (12). pp. 721-727.