澳大利亚成年人蛋白质摄入量、饮食质量与肥胖之间的关系:测量单位比较。

IF 2.4 Q3 NUTRITION & DIETETICS
Journal of Nutritional Science Pub Date : 2024-09-20 eCollection Date: 2024-01-01 DOI:10.1017/jns.2024.56
Hesti Retno Budi Arini, Rebecca M Leech, Sze-Yen Tan, Sarah A McNaughton
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引用次数: 0

摘要

以往关于蛋白质与膳食质量和肥胖关系的研究仍无定论,这可能与蛋白质摄入量的表达方式有关。本研究旨在比较蛋白质总摄入量的不同表达方式会如何影响其与饮食质量和肥胖的关系。通常的蛋白质摄入量是根据 2011-12 年度澳大利亚全国营养与体育活动调查(n = 7637 名成年人,年龄≥19 岁)估算得出的,以克(g/d)、能量百分比(%EI)和每实际公斤体重克数(g/kgBW/d)表示。饮食质量采用 2013 年膳食指南指数进行评估,肥胖测量包括体重指数(BMI)和腰围(WC)。进行了性别分层多重线性回归和逻辑回归,并对潜在的混杂因素进行了调整。总蛋白质(克/天)与膳食质量直接相关(男性,β = 0.15 (95% CI 0.12, 0.19);女性,β = 0.25 (0.22, 0.29)),这种关联在不同单位之间是一致的。蛋白质摄入量(克/天)与体重指数(男性,β = 0.07% (0.04%, 0.11%);女性,β = 0.09% (0.04%, 0.15%))和腹围直接相关(男性,β = 0.04 (0.01, 0.06);女性,β = 0.05 (0.00, 0.09))。在男性中,蛋白质(%EI)与较高的腹围相关,而在女性中则没有发现相关性。蛋白质摄入量(克/天)较高的成年人超重/肥胖(男性,OR = 1.01 (1.00, 1.01);女性,OR = 1.01 (1.00, 1.01))和中心性超重/肥胖(女性,OR = 1.01 (1.00, 1.01))的几率较高,但当蛋白质以%EI表示时,与女性超重/肥胖的几率无显著关联。总之,蛋白质摄入量与饮食质量和肥胖呈正相关,但女性的相关性更强。由于测量单位的尺度不同,效应大小也因测量单位而异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Association between protein intake, diet quality, and obesity in Australian adults: a comparison of measurement units.

Previous investigations on protein associations with diet quality and obesity still have inconclusive findings, possibly due to how protein intake was expressed. This study aimed to compare how different ways of expressing total protein intake may influence its relationships with diet quality and obesity. Usual protein intake was estimated from the 2011-12 Australian National Nutrition and Physical Activity Survey (n = 7637 adults, ≥19 years), expressed in grams (g/d), percent energy (%EI), and grams per actual kilogram body weight (g/kgBW/d). Diet quality was assessed using the 2013 Dietary Guidelines Index, and obesity measures included Body Mass Index (BMI) and waist circumference (WC). Sex-stratified multiple linear and logistic regressions were performed and adjusted for potential confounders. Total protein (g/d) was directly associated with diet quality (males, β = 0.15 (95% CI 0.12, 0.19); females, β = 0.25 (0.22, 0.29)), and this association was consistent across units. Protein intake (g/d) was directly associated with BMI (males, β = 0.07% (0.04%, 0.11%); females, β = 0.09% (0.04%, 0.15%)), and WC (males, β = 0.04 (0.01, 0.06); females, β = 0.05 (0.00, 0.09)). While in males, protein as %EI was associated with higher WC, no association was found in females. Adults with higher protein intake (g/d) had higher odds of overweight/obesity (males, OR = 1.01 (1.00, 1.01); females, OR = 1.01 (1.00, 1.01)), and central overweight/obesity (females, OR = 1.01 (1.00, 1.01)), but no significant association with females odds of overweight/obesity when protein was expressed in %EI. In conclusion, protein intake was positively associated with diet quality and obesity, yet these associations were stronger for women. The effect sizes also varied by measurement unit due to the different scales of those units.

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来源期刊
Journal of Nutritional Science
Journal of Nutritional Science NUTRITION & DIETETICS-
CiteScore
3.00
自引率
0.00%
发文量
91
审稿时长
7 weeks
期刊介绍: Journal of Nutritional Science is an international, peer-reviewed, online only, open access journal that welcomes high-quality research articles in all aspects of nutrition. The underlying aim of all work should be, as far as possible, to develop nutritional concepts. JNS encompasses the full spectrum of nutritional science including public health nutrition, epidemiology, dietary surveys, nutritional requirements, metabolic studies, body composition, energetics, appetite, obesity, ageing, endocrinology, immunology, neuroscience, microbiology, genetics, molecular and cellular biology and nutrigenomics. JNS welcomes Primary Research Papers, Brief Reports, Review Articles, Systematic Reviews, Workshop Reports, Letters to the Editor and Obituaries.
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