Abstract:
BACKGROUND:Consumption of a prudent dietary pattern rich in healthy nutrients is associated with enhanced cognitive performance in older adulthood, while a Western dietary pattern low in healthy nutrients is associated with poor age-related cognitive function. Sex differences exist in dietary intake among older adults; however, there is a paucity of research examining the relationship between sex-specific dietary patterns and cognitive function in later life. METHODS:The current study aimed to investigate sex differences in the relationship between sex-specific dietary pattern adherence and global cognitive function at baseline and over a 3-year follow-up in 1268 community-dwelling older adults (Mage = 74 years, n = 664 women, n = 612 men) from the Quebec Longitudinal Study on Nutrition and Successful Aging (NuAge). A 78-item Food Frequency Questionnaire was used to estimate dietary intake over the previous year. Sex-specific dietary pattern scores were derived using principal component analysis. Global cognition was assessed using the Modified Mini-Mental State Examination (3MS). RESULTS:Adjusted linear mixed effects models indicated that a healthy, prudent dietary pattern was not associated with baseline cognitive performance in men or women. No relationship was found between Western dietary pattern adherence and baseline cognitive function in women. Among men, adherence to an unhealthy, Western dietary pattern was associated with poorer baseline cognitive function (β = - 0.652, p = 0.02, 95% CI [- 1.22, - 0.65]). No association was found between prudent or Western dietary patterns and cognitive change over time in men or women. CONCLUSIONS:These findings highlight the importance of conducting sex-based analyses in aging research and suggest that the relationship between dietary pattern adherence and cognitive function in late life may be sex-dependent.
journal_name
Nutr Jjournal_title
Nutrition journalauthors
D'Amico D,Parrott MD,Greenwood CE,Ferland G,Gaudreau P,Belleville S,Laurin D,Anderson ND,Kergoat MJ,Morais JA,Presse N,Fiocco AJdoi
10.1186/s12937-020-00575-3subject
Has Abstractpub_date
2020-06-20 00:00:00pages
58issue
1issn
1475-2891pii
10.1186/s12937-020-00575-3journal_volume
19pub_type
杂志文章abstract:OBJECTIVE:To evaluate the validity (study 1) and the reproducibility (study 2) of an interviewer-administered food frequency questionnaire (FFQ). METHOD:The FFQ was designed at Laval University and contains 91 items and 33 subquestions. STUDY 1: The FFQ was compared against a 3-day food record (2 week-days and 1 weeke...
journal_title:Nutrition journal
pub_type: 杂志文章
doi:10.1186/1475-2891-3-13
更新日期:2004-09-13 00:00:00
abstract::A sex- and gender-informed approach to study design, analysis and reporting has particular relevance to the transgender and gender nonconforming population (TGNC) where sex and gender identity differ. Notable research gaps persist related to dietary intake, validity and reliability of nutrition assessment methods, and...
journal_title:Nutrition journal
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journal_title:Nutrition journal
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Nutrition journal
pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.1186/1475-2891-6-24
更新日期:2007-09-19 00:00:00
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pub_type: 杂志文章,meta分析
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更新日期:2011-07-11 00:00:00
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更新日期:2015-07-14 00:00:00
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pub_type: 杂志文章,随机对照试验
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