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目的:分析并评价北京市成年居民身体活动强度和水平。方法:利用“2002年北京市居民营养与健康状况调查”数据,分析受试对象运动锻炼和步行活动情况,参考2000年美国“身体活动概要”和国内数据,对各种活动赋以相应MET值,参照WHO分级标准评价身体活动水平。结果:64.2%的北京市居民身体活动水平低,61.8%的居民从事每次超过10分钟的运动锻炼或步行,其中4METs以上强度的运动锻炼参与率为23.0%,步行的参与率为55.7%;60～岁组老年人参加运动锻炼的比率最高,为64.3%,但活动水平不高,活动水平低者占67%。结论:60%以上的北京市成年居民身体活动水平低,运动锻炼参与率仅为40%且强度较小,超过一半的活动量来自散步。
Objective: To analyze and evaluate the intensity and level of physical activity of adult residents in Beijing. Methods: Based on the “2002 Survey of Nutrition and Health Conditions of Residents in Beijing”, we analyzed the exercise and walking activities of the subjects and made reference to the “Summary of Physical Activities” and the domestic data of the United States in 2000, The corresponding MET value, with reference to the WHO classification criteria to assess the level of physical activity. Results: 64.2% of residents in Beijing had low level of physical activity, 61.8% of residents exercised or walked for more than 10 minutes each time. The participation rate of exercise with intensity above 4 METs was 23.0% and that of walking was 55.7%. The highest rate of participation in physical exercise was 60.3% in elderly people aged 60 to 64.3%, but the activity level was not high and the activity level was 67%. Conclusion: More than 60% of adults in Beijing have low physical activity, exercise participation rate is only 40% and intensity is low, and more than half of the activity comes from walking.