Geographical inequalities in nutrient status and risk of malnutrition among English people aged 65 y and older

被引:68
作者
Elia, M [1 ]
Stratton, RJ [1 ]
机构
[1] Univ Southampton, Southampton Gen Hosp, Sch Med, Inst Human Nutr, Southampton, Hants, England
关键词
inequalities; malnutrition; nutrients; elderly; screening; malnutrition universal screening tool;
D O I
10.1016/j.nut.2005.03.005
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Objective: Geographical inequalities in health continue to be a problem within developed countries. This study investigated whether there were north-south geographical inequalities among older people living in England with respect to risk of protein-energy malnutrition and status of nutrients, particularly those derived from fruit and vegetables. Methods: A secondary analysis of data collected prospectively by the National Diet and Nutrition Survey of people aged 65 y and older was undertaken to assess geographical prevalence of risk of protein-energy malnutrition (1155 subjects) and nutrient status (881 to 1046 subjects). Results: A north-south gradient was found in risk of protein-energy malnutrition (19.4%, 12.3%, and 11.2% in the northern, central, and southern regions, respectively; P = 0.013, P for trend = 0.002). This was accompanied by a north-south gradient in the status of vitamin C (30, 38, and 46 mu mol/L in the respective regions, P < 0.001), which was associated with deficiency (< 11 mu mol/L) in a third of subjects in the northern region, a range of carotenoids (P = 0.023 to < 0.001), vitamin D (P < 0.001), and selenium (P < 0.001). These inequalities were accompanied by gradients in indices of health status and socioeconomic status, which could account only partly for the "geographical" inequalities. Circulating vitamin C and carotenoid concentrations were related to the intake of fruit and vegetables. Conclusions: This study suggests there is a north-south divide in the risk of protein-energy malnutrition and a range of nutrients, which have been implicated in the development of common chronic diseases. (c) 2005 Elsevier Inc. All rights reserved.
引用
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页码:1100 / 1106
页数:7
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