Zhonghua Liu Xing Bing Xue Za Zhi
March 2014
Objective: To describe the trend of multiple pregnancies and to compare the results with single pregnancy in Beijing from 1996 to 2010. Prevalence rates of pregnancy complications were compared between multiple and single pregnancies.
Methods: In 1996, 1997, 1998, 1999, 2000, 2005, 2010, live births in two hospitals in Beijing were included to describe the trend of multiple and single pregnancy.
Background: Information tracking changes of birthweight is scarce in China. To examine trends of low birthweight (birthweight < 2500 g) and macrosomia (birthweight ≥ 4000 g) and potential risk factors in Beijing, hospital records from two major obstetrics and gynecology hospitals in urban districts in Beijing were analyzed.
Methods: Hospital records from 1996 to 2010 were retrieved.
Zhonghua Fu Chan Ke Za Zhi
May 2013
Objective: To explore the appropriate weight gain during pregnancy and its relationship with the birthweight of offspring.
Methods: A total of 16 460 healthy pregnant women who delivered in Beijing Obstetrics and Gynecology Hospital and Haidian Maternity and Child Health Care Hospital in 2010 were recruited. All are singleton pregnancies.
Zhonghua Liu Xing Bing Xue Za Zhi
June 2006
Objective: To determine the current prevalence of overweight and obesity among children and adolescents (2-18 years) in Beijing and its distribution by age, gender and urban-rural residence.
Methods: As part of the Beijing Child and Adolescent Metabolic Syndrome Study, a stratified cluster representative sample of 23,422 children aged 0-18 years was selected. Anthropometric measures including weight and height were collected from 21,198 subjects aged 2-18 years from April to October in 2004.
Zhonghua Liu Xing Bing Xue Za Zhi
August 2005
Objective: To explore the epidemiological status of disabilities on vision impairment (VI), hearing loss (HL), mental retardation (MR), autism spectrum disorder (ASD) and motor disorder (MD) in aged 0-6 years old children in Beijing.
Methods: A total of 28 738 children under 7 years old were recruited from permanent residents of Beijing City by 2-phase cluster sampling. The screening procedure was 2-phase, and the diagnosis criteria were developed by the experts group.
Objective: This survey was conducted to examine the prevalence of sleep disorders in 2- to 12-year-old children in the Beijing area of China.
Methods: From October 2001 to June 2002, 5979 children 2 to 12 years old in 6 randomly selected counties in Beijing were investigated with questionnaires.
Results: The average total sleep time per day ranged from 11.
Zhonghua Liu Xing Bing Xue Za Zhi
October 2003
Objective: To observe blood lead level and related risk factors among children of 0 - 6-year old in Beijing.
Methods: Stratified-clustered-random sampling and simple random sampling were used. A total of 2 262 children of 0 - 6 years old were investigated from May to July 2001.