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目的分析55岁以上中老年人群营养不良对记忆能力的影响。方法利用2006年“中国居民健康与营养调查”的资料,通过问卷的形式对9省3255名55岁以上的中老年居民进行了记忆能力的调查。分3个等级评价记忆力状况,营养状采用中国肥胖工作组定义标准。膳食调查和体格测量等采用统一技术与方法实施,并严格质量控制。结果有33.0%的中老年人记忆能力得分属于低下水平,其中男性为28.2%,女性为37.5%;中老年人记忆水平存在城乡差异和营养水平差异,城市居民好于农村,营养状况良好的好于营养不良者(P<0.01)。调查前4周内患病的中老年人记忆水平低下的比率要高于未患病人群的比率,此外,研究发现高血压对记忆影响不明显。结论55岁以上人群记忆能力得分与营养和健康状况有关,应采取适当措施以改善目标人群的记忆力。
Objective To analyze the effect of malnutrition on memory in middle-aged and elderly people over 55 years old. Methods According to the “Health and Nutrition Survey of Chinese Residents in 2006”, the memory of 3255 middle-aged and elderly residents over 9 in 9 provinces was investigated through questionnaire. Divided into three levels of assessment of memory status, nutritional status using the Chinese definition of obesity standards. Meal surveys and physical measurements using a unified technology and methods of implementation, and strict quality control. Results 33.0% of the middle-aged and old people’s memory ability scores were low level, of which 28.2% were male and 37.5% were female. There was a difference in urban and rural areas and nutrition level in the memory of middle-aged and elderly people, urban residents were better than rural areas, and the nutritional status was good In malnourished (P <0.01). In the 4 weeks before the survey, the prevalence of memory deficits in the elderly was higher than that in the unaffected. In addition, the study found no significant effect of hypertension on memory. Conclusion The scores of memory ability in people above 55 years old are related to nutrition and health status. Appropriate measures should be taken to improve the memory of the target population.