Background The Pittsburgh Sleep Quality Index (PSQI) is a widely used self-report
questionnaire that measures general sleep quality in general populations. However, its …

Several studies based on 16SrDNA analysis have revealed certain unique characteristics of
gut microbiome in centenarians. We established a prospective cohort of fecal microbiota and …

The proportion of the world population aged 60 years or over is expected to increase from
12% in 2013 to 21% in 2050. This increase will represent more than 2 billion elderly …

Objectives The oldest old population has become the fastest growing segment with excess
need of care and social support, it is crucial to improve the health-related quality of life …

Background: As evidence on depression and health-related quality of life (HRQoL) among
the oldest-old is currently limited, this study aimed to re-examine the association between …

Abstract Background The 15-item Geriatric Depression Scale (GDS-15) shows good
performance in detecting depression among older persons, but its applicability has not been …

Background: The population is aging much faster in China than other low-and middle-
income countries. With the accelerated aging of the population, incidence and disease …

With increasing age, middle-aged and older persons face a series of physical and mental
health problems. This study aimed to explore the latent relationships among age, functional …

The relationship between leptin and insulin resistance among middle-aged and elderly
populations in Asia is seldom reported. Our research included 398 middle-aged and elderly …

Aging involves the transformation of the population reproduction mode under the rapid
development of the social economy. We studied population survey data based on the …