Department of Health Promotion, National Institute of Public Health, Saitama, Japan.
Aging Ment Health. 2013;17(2):242-9. doi: 10.1080/13607863.2012.717256. Epub 2012 Sep 10.
Higher-level competence is crucial for healthy and socially independent living, and general intelligence may underlie heath status. The aim of this study was to elucidate associations between general intelligence and higher-level competence in elderly individuals without dementia.
A total of 207 community-dwelling elderly persons, aged 70-74 years, were enrolled. A personal interview was performed to obtain data on socio-demographic and medical factors; higher-level competence was evaluated using the Tokyo Metropolitan Institute of Gerontology index of competence (TMIG index). Raven's Coloured Progressive Matrices (RCPM) test was used to assess general intelligence. Correlations between the TMIG index, its subscale scores and the RCPM score were evaluated by Spearman's rank correlation coefficients. Ordinal regression models were conducted with the TMIG index and its subscales as the dependent variables, RCPM as the principal independent variable, and age, sex, type of household, employment status, educational background, chronic medical conditions and number of natural teeth as the potential independent variables.
There were significant but weak positive correlations between total score on the TMIG index, scores on the intellectual activity and social role subscales and RCPM score. In ordinal regression models, RCPM and educational background were significantly associated with total score on the TMIG index and the intellectual activity subscale, and only RCPM was associated with the social role subscale score, after adjusting for other potential variables.
General intelligence may be significantly associated with higher-level competence, especially with intellectual activity and social role subscales, in community-dwelling older adults.
更高层次的能力对于健康和社会独立生活至关重要，而一般智力可能是健康状况的基础。本研究旨在阐明无痴呆症的老年人群中一般智力与更高层次能力之间的关系。
共纳入 207 名居住在社区的 70-74 岁老年人。通过个人访谈获取社会人口统计学和医学因素数据；使用东京都立老人研究所能力指数（TMIG 指数）评估更高层次的能力。采用瑞文彩色渐进矩阵（RCPM）测试评估一般智力。采用 Spearman 等级相关系数评估 TMIG 指数及其分量表与 RCPM 评分之间的相关性。以 TMIG 指数及其分量表为因变量，RCPM 为主要自变量，年龄、性别、家庭类型、就业状况、教育背景、慢性疾病和天然牙齿数为潜在自变量，进行有序回归模型分析。
TMIG 指数总分、智力活动和社会角色分量表得分与 RCPM 评分之间存在显著但较弱的正相关。在有序回归模型中，调整其他潜在变量后，RCPM 和教育背景与 TMIG 指数总分和智力活动分量表显著相关，而只有 RCPM 与社会角色分量表得分显著相关。
在居住在社区的老年人中，一般智力可能与更高层次的能力，尤其是智力活动和社会角色分量表显著相关。
