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老年人血清25-羟维生素D[25(OH)D]在冬季减低。本文旨在确定老年人的心血管因素和其它生活方式的可变因素与冬季血清25(OH)D浓度的关系。对象与方法191(男87,女104)例自愿参与者,年龄63～76岁,平均70岁。调查在1991年12月进行,内容包括吸烟史,调查前4周食用人造黄油的情况,每周户外活动的时间,前6个月在国外海滨度假的情况,前4周在每周休闲时的体力活动的情况,并按照有无呼吸急促而分为轻、重度体力活动。
Serum 25-hydroxyvitamin D [25 (OH) D] in the elderly decreases in winter. This article aims to determine the relationship between cardiovascular variables and other lifestyle variables in the elderly and serum 25 (OH) D concentration in winter. Subjects and methods 191 (male 87, female 104) cases of voluntary participants, aged 63 to 76 years, mean 70 years. The survey was conducted in December 1991 and included smoking history, consumption of margarine for the first 4 weeks of the survey, time for outdoor activities each week, seaside vacations in the first 6 months, vacations in the first 4 weeks at leisure each week Physical activity, and in accordance with whether there is rapid breathing is divided into mild and severe physical activity.