Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis

Objectives: To investigate the effects of age, period, and cohort (APC) on trends in cognitive function among the Chinese elderly, and to explore how gender gaps in cognitive function change with age, period, and cohort.Methods: This study used data from the Chinese Longitudinal Healthy Longevity Su...

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Main Authors: Xiaoqian Hu (Author), Shuyan Gu (Author), Xuemei Zhen (Author), Xueshan Sun (Author), Yuxuan Gu (Author), Hengjin Dong (Author)
Format: Book
Published: Frontiers Media S.A., 2021-11-01T00:00:00Z.
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001 doaj_c0f97ca7db0e4d96b51c4ad65df35a03
042 |a dc 
100 1 0 |a Xiaoqian Hu  |e author 
700 1 0 |a Xiaoqian Hu  |e author 
700 1 0 |a Shuyan Gu  |e author 
700 1 0 |a Xuemei Zhen  |e author 
700 1 0 |a Xuemei Zhen  |e author 
700 1 0 |a Xueshan Sun  |e author 
700 1 0 |a Yuxuan Gu  |e author 
700 1 0 |a Hengjin Dong  |e author 
700 1 0 |a Hengjin Dong  |e author 
245 0 0 |a Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis 
260 |b Frontiers Media S.A.,   |c 2021-11-01T00:00:00Z. 
500 |a 2296-2565 
500 |a 10.3389/fpubh.2021.753671 
520 |a Objectives: To investigate the effects of age, period, and cohort (APC) on trends in cognitive function among the Chinese elderly, and to explore how gender gaps in cognitive function change with age, period, and cohort.Methods: This study used data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS) from 1998 to 2018, and included 90,432 participants aged above 65 years old. The measurement of cognitive function was the score of the Mini-Mental State Examination (MMSE). Cross-classified random-effect models were used to investigate age, period, and cohort trends in cognitive function.Results: Mini-Mental State Examination scores decreased with age at an increasing rate. While the cohort effect was nearly stable, the period effect demonstrated a downward trend from 1998 to 2002 followed by a nearly flat line. Females were associated with lower MMSE scores than males. When age increased, the gender gaps in MMSE scores further increased. The period-based gender gaps in MMSE scores diverged throughout the 20 years, while the cohort-based gender disparities in MMSE scores converged with successive cohorts.Conclusions: Age, period, and cohort had different and independent effects on cognitive function among the Chinese elderly. The effect of age was stronger than that of period and cohort. Gender disparities in cognitive function increased with age and period, and decreased with successive cohorts. 
546 |a EN 
690 |a age-period-cohort 
690 |a cognition 
690 |a China 
690 |a elderly 
690 |a gender disparity 
690 |a Public aspects of medicine 
690 |a RA1-1270 
655 7 |a article  |2 local 
786 0 |n Frontiers in Public Health, Vol 9 (2021) 
787 0 |n https://www.frontiersin.org/articles/10.3389/fpubh.2021.753671/full 
787 0 |n https://doaj.org/toc/2296-2565 
856 4 1 |u https://doaj.org/article/c0f97ca7db0e4d96b51c4ad65df35a03  |z Connect to this object online.