Association between fish consumption and risk of dementia: a new study from China and a systematic literature review and meta-analysis.
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Authors
Bakre, Aishat TChen, Ruoling
Khutan, Ranjit
Wei, Li
Smith, Tina
Qin, Gordon
Danat, Isaac M
Zhou, Weiju
Schofield, Peter
Clifford, Angela
Wang, Jiaji
Verma, Arpana
Zhang, Cuilin
Ni, Jindong
Issue Date
2018-03-19
Metadata
Show full item recordAbstract
To assess the association of fish consumption with risk of dementia and its dose-response relationship, and investigate variations in the association among low-, middle- and high-income countries. A new community-based cross-sectional study and a systematic literature review.SettingsUrban and rural communities in China; population-based studies systematically searched from worldwide literature. Chinese adults aged ≥60 years in six provinces (n 6981) took part in a household health survey of dementia prevalence and risk factors. In addition, 33 964 participants from eleven published and eligible studies were included in the systematic review and meta-analysis. In the new study in China, 326 participants were diagnosed with dementia (4·7 %); those who consumed any amount of fish in the past two years v. those who consumed no fish had reduced risk of dementia (adjusted OR=0·73, 95 % CI 0·64, 0·99), but the dose-response relationship was not statistically significant. The meta-analysis of available data from the literature and the new study showed relative risk (RR) of dementia of 0·80 (95 % CI 0·74, 0·87) for people with fish consumption; the impact was similar among countries with different levels of income. Pooled dose-response data revealed RR (95 % CI) of 0·84 (0·72, 0·98), 0·78 (0·68, 0·90) and 0·77 (0·61, 0·98) in people with low, middle and high consumption of fish, respectively. Corresponding figures for Alzheimer's disease were 0·88 (0·74, 1·04), 0·79 (0·65, 0·96) and 0·67 (0·58, 0·78), respectively.Publisher
Cambridge CoreJournal
Public Health NutritionPubMed ID
29551101Type
Journal articleLanguage
enISSN
1368-9800ae974a485f413a2113503eed53cd6c53
10.1017/S136898001800037X
Scopus Count
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- Creative Commons
Except where otherwise noted, this item's license is described as https://creativecommons.org/licenses/by-nc-nd/4.0/
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