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Snacking may improve physical function among older Americans
Xu, B.1; Yu, G. P.1; Zizza, C. A.2; Liu, H.1; Zhao, L.1
关键词Dietary Behavior Gait Speed Older Adults
刊名JOURNAL OF NUTRITION HEALTH & AGING
2013-04-01
DOI10.1007/s12603-012-0441-1
17期:4页:393-397
收录类别SCI ; SSCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Geriatrics & Gerontology ; Nutrition & Dietetics
研究领域[WOS]Geriatrics & Gerontology ; Nutrition & Dietetics
关键词[WOS]ADULTS ; RISK ; PERFORMANCE ; HEALTH ; INTERVENTION ; DISABILITY ; VITAMIN ; WOMEN ; SPEED
英文摘要

Snacking was reported to provide nutritional benefits among older adults, but the association between such dietary behavior and health outcomes has not been clearly established. The purpose of this study is to examine the associations between snacking and gait speed, a performance-based measure of physical function.

Cross-sectional population-based survey.

The 1999-2002 National Health and Nutrition Examination Survey (NHANES).

A nationally representative sample of Americans aged 60 and older n = 2,333).

Participants were classified by snacking frequency (0, 1, 2, 3, a parts per thousand yen4 snacks/d) and by the contribution of snacking to their daily energy intake (0 to < 10%, 10% to < 20%, 20% to < 30%, a parts per thousand yen30%). Physical function was assessed by measurement of gait speed over 20 feet.

After adjusting for age, gender, education, race/ethnicity, smoking status, and marital status, older adults who snacked four times or more daily had a faster gait speed (P = 0.033) than non-snackers. Snacking that contributed 20% to < 30% (P = 0.017) of energy was associated with a faster gait speed than snacking that contributed 0 to < 10% of energy. Similar associations were observed after further adjustment for potential confounders.

Both snacking frequency and percentage of energy from snacking are positively associated with gait speed among older adults. The benefits of snacking on older adults′ physical function may warrant their inclusion in this population′s diet.

语种英语
WOS记录号WOS:000317353700020
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/56555
专题北京大学医学信息学中心
北京大学临床肿瘤学院_肿瘤放疗科
作者单位1.Peking Univ, Med Informat Ctr, Beijing 100191, Peoples R China
2.Auburn Univ, Auburn, AL 36849 USA
推荐引用方式
GB/T 7714
Xu, B.,Yu, G. P.,Zizza, C. A.,et al. Snacking may improve physical function among older Americans[J]. JOURNAL OF NUTRITION HEALTH &amp; AGING,2013,17(4):393-397.
APA Xu, B.,Yu, G. P.,Zizza, C. A.,Liu, H.,&Zhao, L..(2013).Snacking may improve physical function among older Americans.JOURNAL OF NUTRITION HEALTH & AGING,17(4),393-397.
MLA Xu, B.,et al."Snacking may improve physical function among older Americans".JOURNAL OF NUTRITION HEALTH & AGING 17.4(2013):393-397.
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