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OBJECTIVE Depression is a common mental disorder in older adults. We examined the prevalence and risk factors for depression in older adults in the Beijing area. METHOD We used data from a cross-sectional survey conducted in July 2006 in Beijing. As part of the national survey for older Chinese adults, 2002 older adults were interviewed. The 15-item(More)
Psychiatric disability is an important public health problem in China, and poverty may be positively correlated with disability. Little study in the existing literatures has explored the contribution of poverty to the psychiatric disability among Chinese population. Using a nationally representative data, this paper aims to investigate the association(More)
OBJECTIVE To evaluate changes in the age-adjusted prevalence of disability in transitional China from 1987 to 2006. METHODS Data from nationally representative surveys conducted in 1987 and 2006 were used to calculate age-adjusted disability prevalence rates by applying appropriate sample weights and directly adjusting to the age distribution of the 1990(More)
BACKGROUND Birth defects, which are the major cause of infant mortality and a leading cause of disability, refer to "Any anomaly, functional or structural, that presents in infancy or later in life and is caused by events preceding birth, whether inherited, or acquired (ICBDMS)". However, the risk factors associated with heredity and/or environment are very(More)
BACKGROUND Considerable socioeconomic and health inequalities have been reported in China. However, because of a lack of appropriate data, limited research has been conducted on variations in disability-free life expectancy (DFLE) among older adults. This study aimed to use the most up-to-date disability survey data to explore geographical variations in(More)
This paper presents a joint relay selection and power allocation scheme for amplify-and-forward two-path relaying networks, in which different relay nodes forward information symbols alternatively in adjacent time slots. Our approach is based on the maximization of the received signal-to-noise ratio under total power consumption by the transmission of the(More)
OBJECTIVE To identify changing levels and patterns of abortion in China among married women, and the determinants of these changes. STUDY DESIGN Based on data from four nationwide surveys conducted by the Chinese National Population and Family Planning Commission in 1988, 1997, 2001 and 2006, this paper analyzed abortion rates by age, residence, and(More)
PURPOSE Illiterate people may frequently experience social discrimination and exclusion in our modern society. It has been suggested that social adversity increases risk of schizophrenia. The current study examines the relation between illiteracy and schizophrenia. METHODS We utilized data on 1,909,205 representative Chinese people of age 18 years or(More)