Association of adiposity status and changes in early to mid-adulthood with incidence of Alzheimer's disease.

Association of adiposity status and changes in early to mid-adulthood with incidence of Alzheimer's disease.
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肥胖状态的关联和早期至中期的变化与阿尔茨海默氏病的发生率。

DOI:
10.1093/aje/kwn229
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发表时间:
2008-11-15
影响因子:
5
通讯作者:
Zonderman AB
Zonderman AB
中科院分区:
医学2区
文献类型:
--
作者:
Beydoun MA;Lhotsky A;Wang Y;Dal Forno G;An Y;Metter EJ;Ferrucci L;O'Brien R;Zonderman AB

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肥胖状态和变化是阿尔茨海默病(AD)的潜在危险因素。作者使用了巴尔的摩老龄化纵向研究中2,322名参与者的数据,在考克斯比例风险模型中分析了AD发病率与肥胖之间的关系,并对社会人口因素和吸烟状况进行了调整。体重指数(BMI;体重(kg)/身高(m)2)和腰围在特定年龄的预测经验贝叶斯估计混合效应回归模型。在1958年至2006年的中位随访23.4年后,187名参与者患上了AD。在男子中,体重不足(BMI ≤ 18.5)在30、40或45岁时增加AD的可能性(风险比(HR)= 5.76,95%置信区间(CI):2.07,16.00);在女性中,(BMI ≥ 30),年龄为30、40或45岁,合并中心性肥胖(腰围≥第80百分位数)增加AD风险(HR = 6.57,95% CI:1.96,22.02)。在30至45岁之间体重减轻(BMI变化<第10百分位数)的女性也有增加的风险(HR = 2.02,95% CI:1.06,3.85)。年龄在30 - 50岁之间的男性体重增加(BMI变化>第90百分位数)增加AD风险(HR = 3.70,95% CI:1.43,9.56)。未来的研究应确定特定年龄和性别的最佳体重和减肥策略,以预防AD和调查潜在的机制。
Adiposity status and change are potential risk factors for Alzheimer’s disease (AD). The authors used data on 2,322 participants in the Baltimore Longitudinal Study of Aging to analyze the relation between AD incidence and adiposity in Cox proportional hazards models, with adjustment for sociodemographic factors and smoking status. Body mass index (BMI; weight (kg)/height (m)2) and waist circumference at specific ages were predicted by empirical Bayes estimators from mixed-effects regression models. After a median of 23.4 years of follow-up between 1958 and 2006, 187 participants developed AD. Among men, being underweight (BMI ≤ 18.5) at age 30, 40, or 45 years increased the likelihood of AD (hazard ratio (HR) = 5.76, 95% confidence interval (CI): 2.07, 16.00); among women, being obese (BMI ≥ 30) at age 30, 40, or 45 years and jointly centrally obese (waist circumference ≥ 80th percentile) at age 30, 35, or 50 years increased AD risk (HR = 6.57, 95% CI: 1.96, 22.02). Women who lost weight (BMI change <10th percentile) between ages 30 and 45 years were also at increased risk (HR = 2.02, 95% CI: 1.06, 3.85). Weight gain among men (BMI change >90th percentile) between ages 30 and 50 years increased AD risk (HR = 3.70, 95% CI: 1.43, 9.56). Future studies should identify age- and gender-specific optimal weights and weight-loss strategies for preventing AD and investigate potential mechanisms.
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