在 LifeLines 队列研究中，使用 Ruff 图形流畅性测验和 CogState 计算机化电池测量认知功能的比较。
Comparison of cognitive functioning as measured by the Ruff Figural Fluency Test and the CogState computerized battery within the LifeLines Cohort Study.
机构信息
Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, 9700, The Netherlands.
Department of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, 9700, The Netherlands.
出版信息
BMC Psychol. 2017 May 12;5(1):15. doi: 10.1186/s40359-017-0185-0.
BACKGROUND
The Ruff Figural Fluency Test (RFFT; a pencil and paper test) and the CogState (a computerized cognitive test battery) are well-validated and suitable tests to evaluate cognitive functioning in large observational studies at the population level. The LifeLines Cohort Study includes the RFFT as baseline measurement and incorporated the CogState as replacement for the RFFT at follow-up. It is unknown how these two tests relate to each other. Therefore, the aim of this study is to examine the correlation between the RFFT and the CogState and the impact of demographic characteristics on this association.
METHODS
A subcohort of the LifeLines Cohort Study, a large population based cohort study, participated in this study. Correlations between the RFFT and six subtasks of the CogState were examined. Subgroup analyses were performed to investigate the influence of age, education, and gender on the results. With sensitivity analyses we investigated the influence of computer experience and (physical) impairments.
RESULTS
A total of 509 participants (mean age (SD): 53 years (14.6); range 18-87 years) participated in this study. All correlations between the RFFT and the CogState were statistically significant (except for the correlation between the RFFT error ratio and the CogState One Back Task), ranging from -0.39 to 0.28. Stratifying the analyses for age, education, and gender did not substantially affect our conclusions. Sensitivity analyses showed no substantial influence of level of computer experience or (physical) impairments.
CONCLUSIONS
Correlations found in the present study were only weak to moderate, indicating that cognitive functioning measured by the RFFT does not measure the same components of cognitive functioning as six subtasks of the CogState. Computerized testing such as the CogState may be very well suited for large cohort studies to assess cognitive functioning in the general population and to identify cognitive changes as early as possible, as it is a less time- and labor intensive tool.
背景
Ruff 图形流畅性测试（RFFT；纸笔测试）和 CogState（一种计算机认知测试组合）是经过充分验证的、适用于人群水平的大型观察性研究中评估认知功能的测试。LifeLines 队列研究将 RFFT 作为基线测量，并在随访时将 CogState 纳入替代 RFFT。目前尚不清楚这两种测试之间的关系。因此，本研究旨在探讨 RFFT 与 CogState 之间的相关性以及人口统计学特征对这种相关性的影响。
方法
本研究纳入了大型人群队列研究 LifeLines 队列研究的一个亚队列。研究了 RFFT 与 CogState 的六个子任务之间的相关性。进行了亚组分析，以调查年龄、教育和性别对结果的影响。通过敏感性分析，我们研究了计算机使用经验和（身体）损伤的影响。
结果
共有 509 名参与者（平均年龄（SD）：53 岁（14.6）；年龄范围 18-87 岁）参加了本研究。RFFT 与 CogState 之间的所有相关性均具有统计学意义（除 RFFT 错误率与 CogState One Back Task 之间的相关性外），相关系数范围为-0.39 至 0.28。按年龄、教育和性别分层分析并未实质性影响我们的结论。敏感性分析表明，计算机使用经验或（身体）损伤的水平无实质性影响。
结论
本研究发现的相关性仅为弱至中度，表明 RFFT 测量的认知功能与 CogState 的六个子任务测量的认知功能不完全相同。计算机测试，如 CogState，非常适合大型队列研究，用于评估一般人群的认知功能，并尽早识别认知变化，因为它是一种时间和劳动力密集度较低的工具。
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