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Comparison of body mass index range criteria and their association with cognition, functioning and depression: a cross-sectional study in Mexican older adults.
BMC Geriatrics ( IF 4.1 ) Pub Date : 2019-12-03 , DOI: 10.1186/s12877-019-1363-0
Damaris Francis Estrella-Castillo 1 , Lizzette Gómez-de-Regil 2
Affiliation  

BACKGROUND World population is living longer, demanding adjustments in public health policies. Body mass index (BMI) is widely known and used as a parameter and predictor of health status although an adapted criterion for older adults is usually overlooked. BMI has been extensively analysed in relation to mortality but fewer studies address its association with cognition, functioning and depression in older adults. The present study aimed at 1) comparing BMI distribution according to the ranges proposed by the World Health Organization (WHO) and the United States National Research Council Committee on Diet and Health (CDH), 2) analysing their association with cognitive functioning, physical functioning and depression and 3) analysing a possible, interaction of BMI criteria with sex on the outcome measures. METHODS This cross-sectional study included 395 participants recruited by convenience sampling; 283 (71.6%) women and 112 (24.58%) men. Mean age was 74.68 (SD = 8.50, range: 60-98). Outcome measures included the Short Portable Mental State Questionnaire for cognitive status, the Barthel's Index of Activities of Daily Living for physical functioning, and the Geriatric Depression Scale. RESULTS WHO criterion classified most cases (65.3%) as overweight, followed by normal weight (32.2%) and underweight (2.5%) whereas CDH criterion considered most (48.1%) as normal weight, and followed by overweight (31.4%) and underweight (20.5%). Analysing cognitive status, independent physical functioning and depression mean scores, significant differences (p ≤ .001) were found when comparing the three weight groups (underweight, normal weight and overweight) using either the WHO- or the CDH criterion. Post-hoc tests revealed that in all comparisons the underweight group scored the lowest in all three outcome measures. According to the CDH criterion, overweight was favourable for females but unfavourable for males regarding cognitive status (interaction F(2,389) = 4.52, p ≤ .01) and independent functioning (interaction F(2,389) = 3.86, p ≤ .05). CONCLUSIONS BMI and its associations to relevant outcome measures in the older adults must rely on criteria that take into account the particular features of this population, such as the CDH criterion. Underweight was associated with decremented cognition, less independent physical functioning and more depression. Overweight seemed favourable for women but unfavourable for men.

中文翻译:

体重指数范围标准及其与认知,功能和抑郁的关联的比较:一项针对墨西哥老年人的横断面研究。

背景技术世界人口的寿命更长,要求对公共卫生政策进行调整。体重指数(BMI)是众所周知的,并且被用作健康状况的参数和预测指标,尽管通常会忽略针对老年人的适应标准。人们已经对BMI进行了有关死亡率的广泛分析,但很少有研究针对BMI与老年人的认知,功能和抑郁症的关系。本研究旨在1)根据世界卫生组织(WHO)和美国国家饮食与健康研究委员会(CDH)提议的范围比较BMI分布,2)分析其与认知功能,身体功能的关联和抑郁症;以及3)在结局指标上分析BMI标准与性别之间可能的相互作用。方法这项横断面研究包括395名通过便利抽样招募的参与者。女性283名(71.6%),男性112名(24.58%)。平均年龄为74.68(SD = 8.50,范围:60-98)。结果措施包括认知状态的简短便携式心理状态问卷,身体功能的日常生活的巴特尔活动指数以及老年抑郁量表。结果WHO标准将大多数病例(65.3%)归类为超重,其次为正常体重(32.2%)和体重不足(2.5%),而CDH标准则以绝大部分(48.1%)为正常体重,其次为超重(31.4%)和体重不足(20.5%)。比较三个体重组(体重不足,正常体重和超重)。事后测试显示,在所有比较中,体重不足组在所有三个结果指标中得分最低。根据CDH标准,在认知状态(交互作用F(2,389)= 4.52,p≤0.01)和独立功能(交互作用F(2,389)= 3.86,p≤0.05)方面,超重对女性有利,而对男性不利。结论老年人的BMI及其与相关结果指标的关联必须依赖于考虑到该人群特殊特征的标准,例如CDH标准。体重过轻与认知能力下降,独立的身体机能下降和抑郁症多发有关。超重似乎对女性有利,但对男性不利。事后测试显示,在所有比较中,体重不足组在所有三个结果指标中得分最低。根据CDH标准,在认知状态(交互作用F(2,389)= 4.52,p≤0.01)和独立功能(交互作用F(2,389)= 3.86,p≤0.05)方面,超重对女性有利,而对男性不利。结论老年人的BMI及其与相关结果指标的关联必须依赖于考虑到该人群特殊特征的标准,例如CDH标准。体重过轻与认知能力下降,独立的身体机能下降和抑郁症多发有关。超重似乎对女性有利,但对男性不利。事后测试显示,在所有比较中,体重不足组在所有三个结果指标中得分最低。根据CDH标准,在认知状态(交互作用F(2,389)= 4.52,p≤0.01)和独立功能(交互作用F(2,389)= 3.86,p≤0.05)方面,超重对女性有利,而对男性不利。结论老年人的BMI及其与相关结果指标的关联必须依靠考虑该人群特殊特征的标准,例如CDH标准。体重过轻与认知能力下降,独立的身体机能下降和抑郁症多发有关。超重似乎对女性有利,但对男性不利。根据CDH标准,在认知状态(交互作用F(2,389)= 4.52,p≤0.01)和独立功能(交互作用F(2,389)= 3.86,p≤0.05)方面,超重对女性有利,而对男性不利。结论老年人的BMI及其与相关结果指标的关联必须依赖于考虑到该人群特殊特征的标准,例如CDH标准。体重过轻与认知能力下降,独立的身体机能下降和抑郁症多发有关。超重似乎对女性有利,但对男性不利。根据CDH标准,在认知状态(交互作用F(2,389)= 4.52,p≤0.01)和独立功能(交互作用F(2,389)= 3.86,p≤0.05)方面,超重对女性有利,而对男性不利。结论老年人的BMI及其与相关结果指标的关联必须依赖于考虑到该人群特殊特征的标准,例如CDH标准。体重过轻与认知能力下降,独立的身体机能下降和抑郁症多发有关。超重似乎对女性有利,但对男性不利。结论老年人的BMI及其与相关结果指标的关联必须依赖于考虑到该人群特殊特征的标准,例如CDH标准。体重过轻与认知能力下降,独立的身体机能下降和抑郁症多发有关。超重似乎对女性有利,但对男性不利。结论老年人的BMI及其与相关结果指标的关联必须依赖于考虑到该人群特殊特征的标准,例如CDH标准。体重过轻与认知能力下降,独立的身体机能下降和抑郁症多发有关。超重似乎对女性有利,但对男性不利。
更新日期:2019-12-03
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