体型变量与营养摄入在明显健康的老年男性个体之间的关系：来自巴基斯坦的一项研究。
Relationship between anthropometric variables and nutrient intake in apparently healthy male elderly individuals: a study from Pakistan.
机构信息
Tübingen Aging and Tumour Immunology group, Sektion für Transplantationsimmunologie und Immunohämatologie, University of Tübingen, Zentrum für MedizinischeForschung, Waldhörnlestraße 22, 72072 Tübingen, Germany.
出版信息
Nutr J. 2011 Oct 12;10:111. doi: 10.1186/1475-2891-10-111.
BACKGROUND
The elderly population is increasing worldwide, which warrants their nutritional status assessment more important. The present study was undertaken to establish the nutritional status of the least-studied elderly population in Pakistan.
METHODS
This was a cross-sectional study with a sample of 526 generally healthy free-living elderly men (mean age: 68.9 yr; range: 50-98 yr) from Peshawar, Pakistan. Anthropometric measurements (weight, height, WC) were measured and BMI and WHR were calculated from these measurements following WHO standard procedures. Dietary intake was assessed by 24-hr dietary recall. Nutrients were calculated from the information on food intake. Nutrients in terms of % of RNI were calculated using WHO data on recommended intakes.
RESULTS
Based on BMI, the numbers of obese, overweight and underweight elderly were 13.1, 3.1 and 10.8%, respectively. Age was negatively and significantly correlated with BMI (p = 0.0028). Energy (p = 0.0564) and protein intake (p = 0.0776) tended to decrease with age. There was a significant increase in % BF with age (p = <0.0001). The normal weight elderly had significantly (p < 0.05) higher intake of all nutrients studied, except energy which was significantly (p < 0.05) higher in obese and overweight elderly. Overall, however, the majority of subjects had lower than adequate nutrient intake (67.3 - 100% of recommendation).
CONCLUSIONS
Malnutrition is common in apparently healthy elderly Pakistani men. Very few elderly have adequate nutrient intake. Obese and overweight had higher % BF as compared to normal weight elderly. Older age is associated with changes not only in anthropometrics and body composition but also in intake of key nutrients like energy and protein.
背景
全球老年人口不断增加，这使得对他们的营养状况评估变得更加重要。本研究旨在评估巴基斯坦老年人的营养状况。
方法
这是一项横断面研究，样本为来自巴基斯坦白沙瓦的 526 名一般健康的自由生活的老年男性（平均年龄：68.9 岁；范围：50-98 岁）。测量了人体测量学指标（体重、身高、WC），并按照世界卫生组织的标准程序，从这些测量值中计算出 BMI 和 WHR。通过 24 小时膳食回忆评估膳食摄入量。从食物摄入量的信息中计算营养素。使用世界卫生组织关于推荐摄入量的数据，以 RNI 的百分比表示营养素。
结果
根据 BMI，肥胖、超重和体重不足的老年人分别占 13.1%、3.1%和 10.8%。年龄与 BMI 呈负相关（p=0.0028）。随着年龄的增长，能量（p=0.0564）和蛋白质摄入（p=0.0776）呈下降趋势。随着年龄的增长，体脂百分比显著增加（p<0.0001）。正常体重的老年人摄入的所有研究营养素均显著较高（p<0.05），除了能量，肥胖和超重的老年人摄入的能量显著较高（p<0.05）。总体而言，大多数研究对象的营养素摄入量低于推荐量（推荐量的 67.3%-100%）。
结论
营养不良在巴基斯坦健康的老年男性中很常见。极少数老年人有足够的营养摄入。肥胖和超重的老年人体脂百分比高于正常体重的老年人。随着年龄的增长，不仅在人体测量学和身体成分方面发生变化，而且在能量和蛋白质等关键营养素的摄入方面也发生变化。
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