用期望膳食模式对人群膳食结构的评价分析

目的：评价贵州省城乡人群膳食质量及变化趋势。方法：于1992年和1997年对960户和476户城乡居民按连续3天称重法和24小时回顾法进行膳食调查，同时进行家庭经济状况调查，用期望膳食模式（Desirable dietary pattern,DDP)进行评价，并与2000年中国期望膳食模式进行比较，结果：城乡居民的膳食量逐步提高，但城乡差距较大，与2000年期望膳食模式目标相比，城市人群膳食质量较好，但结构不合理，农村人群膳食质量较差，动物性食品摄入偏低，食用油摄入不足，经济收入影响膳食质量。结论：贵州城乡居民膳食质量逐步改善，但城乡差距大,结构不合理，应进行分类指导和改善。

Evaluation on dietary structure of urban and rural population by Desirable Dietary Pattern

Objective To evaluate the dietary quality and its changing trends among rural thd urban population in Guizhou. Methods 960 and 276 households in urban and rural areas were surveyed to evaluate the dietary quality by means of three days food weighing and 24 hours dietary recall in 1992 and 1997 respectively, and social economical factors was surveyed at the same time. Dates were analyzed based on Desirable Dietary Pattern (DDP) and compared with 2000 Chinese DDP. Results The dietary quality has improved gradually. There was big gap in dietary structure between urban and rural population. The dietary quality for urban residence was better than that of rural population. But the dietary was irrational. The dietary quality of rural people is poor, which is low animal food and inadequate edible oil intake. Diet was affected by household income. Conclusion Dietary quality among population has improved gradually, but big gap in quality and irrational in structure between urban and rural people are existed. Classified dietary guiding and intervention are needed.