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Journal of Mental Health Volume 25, 2016 - Issue 2
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Original Article

The China longitudinal ageing study: overview of the demographic, psychosocial and cognitive data of the Shanghai sample

Shifu XiaoDepartment of Geriatric Psychiatry, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China, ;Shanghai Jiaotong University, Alzheimer's Disease and Related Disorders Center, Shanghai, China,
,
Matthew LewisCentre for Mental Health and Wellbeing Research, School of Psychology, Deakin University, Burwood, Australia, and ;Aged Psychiatry Service, Caulfield Hospital, Alfred Health, Caulfield, AustraliaCorrespondence[email protected]
,
David MellorCentre for Mental Health and Wellbeing Research, School of Psychology, Deakin University, Burwood, Australia, and
,
Marita McCabeCentre for Mental Health and Wellbeing Research, School of Psychology, Deakin University, Burwood, Australia, and
,
Linda ByrneCentre for Mental Health and Wellbeing Research, School of Psychology, Deakin University, Burwood, Australia, and
,
Tao WangDepartment of Geriatric Psychiatry, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China, ;Shanghai Jiaotong University, Alzheimer's Disease and Related Disorders Center, Shanghai, China,
,
Jinghua WangDepartment of Geriatric Psychiatry, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China, ;Shanghai Jiaotong University, Alzheimer's Disease and Related Disorders Center, Shanghai, China,
,
Minjue ZhuDepartment of Geriatric Psychiatry, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China, ;Shanghai Jiaotong University, Alzheimer's Disease and Related Disorders Center, Shanghai, China,
,
Yan ChengDepartment of Geriatric Psychiatry, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China, ;Shanghai Jiaotong University, Alzheimer's Disease and Related Disorders Center, Shanghai, China,
,
Cece YangDepartment of Geriatric Psychiatry, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China, ;Shanghai Jiaotong University, Alzheimer's Disease and Related Disorders Center, Shanghai, China,
&
Shuhui DongDepartment of Geriatric Psychiatry, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China, ;Shanghai Jiaotong University, Alzheimer's Disease and Related Disorders Center, Shanghai, China,
show all
Pages 131-136 | Received 11 Nov 2014, Accepted 13 Oct 2015, Published online: 13 Jan 2016
 
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Abstract

Background: China’s ageing population will lead to increased neurodegenerative illness and age-related mental health problems.

Aims: The Chinese Longitudinal Ageing Study has been developed to better understand the impact of ageing on cognition and mental health. An overview of the sample, major diagnoses and results of the first wave of data collection is presented.

Method: One thousand and sixty-eight elderly Chinese (42.2% male), mean age of 72.8 years (SD = 8.5) completed a comprehensive cognitive, psychosocial and mental health assessment.

Results: Mean MMSE score was 24.73 (SD = 6.17). Primary generalised anxiety was detected in 0.4% of the sample. Sub-clinical depression and depressive disorder were diagnosed in 1.7% and 2.4% of the sample, respectively. Most (84.5%) reported subjective memory decline, however 66.5% had no cognitive impairment. Mild Cognitive Impairment (MCI) was detected in 25%, Alzheimer’s disease (AD) in 4.7%, vascular dementia in 2.5%, and mixed dementia in 1.3%. Cognition was worse in those 85+ years, but affective disorder rates were not.

Conclusion: Higher rates of dementia were detected than previously reported in China. Normative data is presented for common cognitive and mental health assessment and screening tasks in a Chinese population. This suggests that the true incidence of dementia has been underestimated, and requires further investigation.

Declaration of interest

The National Pillar Program of China Ministry of Science and Technology (project number:2009BAI77B03) and The National Key Clinical Disciplines at Shanghai Mental Health Center (Office of Medical Affairs, China Ministry of Health, 2011-873; OMA-MH, 2011-873).

There are no conflicts to declare. The funding sources had no input into any aspect of the study or preparation of the manuscript. All authors contributed to this study and the publication of the manuscript.

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