Holbrook T L, Barrett-Connor E
Department of Community and Family Medicine, University of California, San Diego, La Jolla 92093-0607.
Am J Clin Nutr. 1991 Mar;53(3):741-4. doi: 10.1093/ajcn/53.3.741.
One common nutrient postulated to be protective against osteoporosis, hypertension, and colon cancer is dietary calcium. We report here nutrient patterns by calcium intake in older adult residents of a geographically defined community in Southern California. The analysis included all 426 men and 531 women aged 50-79 y with complete 24-h diet data. Nutrient-density-adjusted calcium intake was divided into tertiles: low intake (less than 284 mg/1000 kcal), mid intake (284-440 mg/1000 kcal), and high intake (greater than 440 mg/1000 kcal). The distribution of the reported 24-h nutrient density of protein, fat, fiber, caffeine, trace minerals, vitamin D, and vitamin C was examined in relation to the calcium-intake tertiles. In both men and women, the adjusted intakes of protein, saturated fatty acids, vitamin D, magnesium, and phosphorus were significantly higher in the high-calcium-intake group than in the low- and mid-calcium-intake groups. In both men and women, alcohol intake was significantly lower in the high-calcium-intake group. Studies postulating a protective role for calcium will need to consider the multicolinearity in the Western diet.
一种被认为对预防骨质疏松症、高血压和结肠癌有保护作用的常见营养素是膳食钙。我们在此报告南加州一个地理区域界定社区中老年人居民按钙摄入量划分的营养模式。分析纳入了所有426名男性和531名年龄在50 - 79岁且有完整24小时饮食数据的女性。经营养素密度调整的钙摄入量分为三分位数：低摄入量（低于284毫克/1000千卡）、中等摄入量（284 - 440毫克/1000千卡）和高摄入量（高于440毫克/1000千卡）。根据钙摄入量三分位数，对报告的24小时蛋白质、脂肪、纤维、咖啡因、微量矿物质、维生素D和维生素C的营养素密度分布进行了研究。在男性和女性中，高钙摄入组的蛋白质、饱和脂肪酸、维生素D、镁和磷的调整摄入量均显著高于低钙摄入组和中等钙摄入组。在男性和女性中，高钙摄入组的酒精摄入量均显著较低。假设钙具有保护作用的研究需要考虑西方饮食中的多重共线性。
