中国高龄老人认知下降及相关因素

Cognitive Decline and Related Factors of Chinese Oldest Old

目的 :了解高龄老人认知能力情况 ,为老年健康研究提供资料。方法 :对 2 0 0 0年中国高龄老人健康长寿调查中的 44 82名高龄老人 ,使用MMSE修改量表 ,将认知能力得分按照有关标准划界 ,把认知能力分为不健全 健全 ,认知能力转变为二分变量作为因变量进行logistic回归分析。结果 :发现女性、增龄、低受教育程度、身体健康状况差、婚姻状况为丧偶和从未结婚、情绪不乐观、不进行身体锻炼和出生地乡村等因素是高龄老人认知能力下降的危险因素。结论 :中国高龄老人认知能力受到其生物、心理社会、经济等多种因素影响。

Objective:To study cognitive ability of oldest old.Method:4482 Chinese oldest old aged 80～105 were investigated. The MMSE edited version, with Part C of the Questionnaire of the Study of Chinese Oldest Old's Health were used to measure cognitive ability. By the cut-off point of 23/24, cognitive ability was dichotomized into dysfunctional or normal, then analyzed by logistic regression.Results:Cognitive dysfunction was associated with aging, low educated level, poor health state, never-married/widow (er), passive feelings, less body exercises, born in rural area.Conclusion:The differences in cognitive ability of Chinese oldest old are associated with biological, social, economical, psychological factors.