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在健康日本成年人中,早餐食用频率与握力相关。

Breakfast consumption frequency is associated with grip strength in a population of healthy Japanese adults.

作者信息

Huang C, Niu K, Momma H, Kobayashi Y, Guan L, Chujo M, Otomo A, Cui Y, Nagatomi R

机构信息

Department of Medicine and Science in Sports and Exercise, Tohoku University Graduate School of Medicine, 980-8575 Sendai, Japan.

Department of Epidemiology, School of Public Health, Tianjin Medical University, 22 Qixiangtai Road, Heping District, 300070 Tianjin, China.

出版信息

Nutr Metab Cardiovasc Dis. 2014 Jun;24(6):648-55. doi: 10.1016/j.numecd.2013.12.013. Epub 2014 Jan 21.

Abstract

BACKGROUND AND AIMS

Several studies have reported that regular consumption of breakfast is associated with health benefits. However, only a few studies have examined the association between frequency of breakfast consumption and muscular function. Therefore, this study aims to investigate the association between frequency of breakfast consumption and muscle strength among apparently healthy Japanese adults.

METHODS AND RESULTS

A cross-sectional study design was used. Between 2008 and 2011 in Sendai, Japan, 1415 Japanese adult employees (1069 men and 346 women) aged between 19 and 83 years participated in the study. Grip strength, as measured by a handheld digital dynamometer, was used as an indicator of muscle strength. Frequency of breakfast consumption during the previous month was assessed using a brief self-administered dietary history questionnaire, and the results were divided into three categories for analysis: low (≤2 days week⁻¹), middle (3-5 days week⁻¹) and high (≥6 days week⁻¹). Multivariate analysis was performed using analysis of covariance, with covariates mainly including socio-demographic, lifestyle-related and health-related factors. After adjusting for several potential confounders, grip strength was shown to be positively associated with breakfast consumption frequency (geometric means, 95% confidence interval (CI): low frequency, 36.2 (35.7-36.8) kg; middle frequency, 36.7 (36.0-37.5) kg; high frequency, 37.0 (36.6-37.5) kg; P for trend = 0.03). Grip strength per kilogramme body weight (kg kg⁻¹) was also positively associated with frequency of breakfast consumption (P for trend = 0.01).

CONCLUSIONS

This cross-sectional study reveals a positive association between breakfast consumption frequency and muscle strength in apparently healthy adults.

摘要

背景与目的

多项研究报告称,经常吃早餐有益健康。然而,仅有少数研究探讨了早餐食用频率与肌肉功能之间的关联。因此,本研究旨在调查健康的日本成年人早餐食用频率与肌肉力量之间的关系。

方法与结果

采用横断面研究设计。2008年至2011年期间,在日本仙台,1415名年龄在19至83岁之间的日本成年员工(1069名男性和346名女性)参与了该研究。使用手持数字测力计测量的握力作为肌肉力量的指标。通过一份简短的自填式饮食史问卷评估前一个月的早餐食用频率,结果分为三类进行分析:低(≤2天/周)、中(3 - 5天/周)和高(≥6天/周)。使用协方差分析进行多变量分析,协变量主要包括社会人口统计学、生活方式相关和健康相关因素。在调整了几个潜在的混杂因素后,握力与早餐食用频率呈正相关(几何均值,95%置信区间(CI):低频率,36.2(35.7 - 36.8)千克;中频率,36.7(36.0 - 37.5)千克;高频率,37.0(36.6 - 37.5)千克;趋势P值 = 0.03)。每千克体重的握力(kg/kg)也与早餐食用频率呈正相关(趋势P值 = 0.01)。

结论

这项横断面研究揭示了在健康成年人中,早餐食用频率与肌肉力量之间存在正相关关系。

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