Combined Associations of Smoking and Bullying Victimization With Binge Drinking Among Adolescents in Beijing, China.

Binge drinking and smoking among adolescents are serious public concerns. However, very few studies have explored the reinforcement of bullying victimization by such behavior. Our study aimed at examining the individual and combined associations of smoking and bullying victimization with binge drinking among adolescents in Beijing, China.

Gender differences in self-harm and drinking behaviors among high school students in Beijing, China.

Background: Self-harm and drinking are both serious problems in adolescents and many studies presented evidence of their association. However, gender differences in this association are seldom deeply discussed. Our study aimed to evaluate the prevalence of self-harm and explore its association with drinking behaviors by gender and investigate the extent to which the gender differences exist in the association between self-harm and drinking.

High myopia in Greater Beijing School Children in 2016.

Purpose: To assess prevalence and associated factors of myopia and high myopia in schoolchildren in Greater Beijing.

Methods: The school-based, cross-sectional Greater Beijing School Children Myopia study was carried out in the year 2016 in 54 schools randomly selected from 15 districts in Beijing. Non-cycloplegic auto-refractometry of the right eyes was performed.

Effects of Two Traditional Chinese Cooking Oils, Canola and Pork, on pH and Cholic Acid Content of Faeces and Colon Tumorigenesis in Kunming Mice.

Faecal pH and cholate are two important factors that can affect colon tumorigenesis, and can be modified by diet. In this study, the effects of two Chinese traditional cooking oils (pork oil and canola/rapeseed oil) on the pH and the cholic acid content in feces, in addition to colon tumorigenesis, were studied in mice. Kunming mice were randomized into various groups; negative control group (NCG), azoxymethane control group (ACG), pork oil group (POG), and canola oil Ggroup (COG).

Risk Factors of Myopic Shift among Primary School Children in Beijing, China: A Prospective Study.

Objective: To evaluate factors associated with myopic shift among primary school children.

Methods: In a one-year prospective school-based study, 5052 children from ten schools were enrolled using a multi-stage random cluster approach. The baseline examination included non-cycloplegic auto-refractometry and questionnaire interview.

Prevalence and associated factors of myopia in high-school students in Beijing.

Purpose: To evaluate prevalence and associated factors for myopia in high school students in Beijing.

Methods: Grade 10 and 11 high school students were randomly selected from nine randomly selected districts of Beijing. The students underwent non-cylcoplegic auto-refractometry and an interview.

Clinical study of cerebral palsy in 408 children with periventricular leukomalacia.

This study aimed to investigate the high risk factors, cerebral palsy (CP) subtypes and comorbidities of periventricular leukomalacia (PVL). Based on treatment conditions at a specialist hospital, a cross-sectional clinical study and retrospective analysis of computed tomography and magnetic resonance imaging examinations was conducted to evaluate the risk factors, subtypes and comorbidities of CP in children with PVL. Among the 408 children with PVL, 8.

Canola oil influence on azoxymethane-induced colon carcinogenesis, hypertriglyceridemia and hyperglycemia in Kunming mice.

Azoxymethane (AOM) is a potent genotoxic carcinogen which specifically induces colon cancer. Hyperlipidemia and diabetes have several influences on colon cancer development, with genetic and environmental exposure aspects. Here, we investigated plasma lipid and glucose concentrations in Kunming mice randomized into four groups; control (no AOM or oil exposure), AOM control, AOM + pork oil, and AOM + canola oil.

[Microecological mechanisms of red-leaf disease occurrence in Salvia miltiorrhiza Bge].

A comparative study was made on the nutrient content in rhizosphere soil and the microflora in rhizosphere soil and on rhizoplane of healthy and red-leaf diseased Salvia miltiorrhiza plants, aimed to approach the microecological mechanisms of red-leaf disease occurrence in S. miltiorrhiza. The N, P, K, and Mn contents in the diseased plant leaves were significantly lower than those in the healthy plant leaves (P < 0.

[Prevalence of nonalcoholic fatty liver disease and metabolic abnormalities in 387 obese children and adolescents in Beijing, China].

Objective: To determine the prevalence of nonalcoholic fatty liver disease (NAFLD) and metabolic abnormalities in obese children and adolescents in Beijing.

Methods: This study involved 387 obese children and adolescents, aged 12 to 17 years in Beijing. Data on anthropometric measurements was collected, including weight, height and age.

Factors associated with myopia in school children in China: the Beijing childhood eye study.

Purpose: To assess factors associated with myopia in school children in rural and urban parts of Greater Beijing.

Methods: The Beijing Pedriatic Eye Study was a population-based cross-sectional study, in which one school of each level (primary, junior high, senior high) was randomly selected from nine randomly selected districts out of 18 districts of Greater Beijing. The children underwent non-cylcoplegic refractometry and their parents an interview.

Bioactive alkaloids produced by Pseudomonas brassicacearum subsp. Neoaurantiaca, an endophytic bacterium from Salvia miltiorrhiza.

Eleven compounds were isolated from the culture of an endophytic bacterium Pseudomonas brassicacearum subsp. Neoaurantiaca in Salvia miltiorrhiza Bunge. Their structures were elucidated by spectroscopic methods as cyclo-(Gly-L-Ala) (1), cyclo-(L-Ala-L-Ala) (2), cyclo-(L-Pro-Gly) (3), cyclo-(L-Pro-L-Ser) (4), cyclo-(L-Ala-trans-4-hydroxy-L-Pro) (5), cyclo-(L-Val-L-Pro) (6), cyclo-(Gly-L-Tyr) (7), cyclo-(L-Ala-L-Tyr) (8), cyclo-(L-Tyr-trans-4-hydroxy-L-Pro) (9), 3-methylhydantoin (10) and 2-piperidinone (11).

[Association between obesity in childhood and hypertension incidence: a prospective cohort study].

Objective: To explore the impact of obesity level and the level change in childhood on hypertension incidence.

Methods: A perspective cohort study was conducted. As part of Beijing Child and Adolescent Metabolic Syndrome Study, 2189 aged 6 - 16 year non-hypertensive children was followed up in December, 2010.

[Prevalence and associated factors of school physical violence behaviors among middle school students in Beijing].

Objective: To described the prevalence of school physical violence behaviors and to explore its associated factors among middle school students in Beijing.

Methods: In 2009, a randomly selected cross-sectional survey was conducted among 5718 students in grades 7 to 12 in Beijing. A self-report anonymous questionnaire involving physical violence at school and socio-demographic variables, such as sex, grades, family economic status and family structure, peer relationships, and communication with their parents etc.

[Familial clustering of obesity and the role of lifestyle factors among children in Beijing].

Objective: To investigate the correlation between lifestyle factors, parental obesity and adiposity in children, in order to provide theoretical evidence for public health policy establishment.

Methods: A cross-sectional observation study was conducted among approximately 20 thousand children aged 2 - 18 years old in urban and rural regions of Beijing, by using stratified randomization clustering sampling methods. Familial environmental risk factors of children adiposity and parental obesity were assessed with standardized questionnaire.

[Family aggregation of primary hypertension among children and adolescents in Beijing].

Objective: To explore the association between histories of hypertension in parents and level of blood pressure in their children so as to provide strategy for early intervention.

Methods: 19 088 children aged 6-17 years were selected in Beijing with stratified random cluster sampling method, and data on influencing factors including parental history of hypertension and other related environmental factors were collected. Systolic blood pressure (SBP) and diastolic blood pressure (DBP) were examined.

[Metabolic syndrome in overweight and obese schoolchildren in Beijing].

Objective: To determine the prevalence and clinical phenotype of metabolic syndrome among overweight and obese schoolchildren in Beijing, and to compare the rates of diagnosis made according to the criteria of the National Cholesterol Education Program (NCEP) of the United States and International Diabetes Federation (IDF).

Methods: Based on Beijing Child and Adolescent Metabolic Syndrome (BCAMS) study with body mass index (BMI), waist circumference (WC) and blood pressure measured, the overweight and obese children were screened among nearly 20 000 children 6-18 years of age in Beijing by Chinese BMI cutoffs for schoolchildren (7-18 years) and the US 2000 CDC Growth Charts--the 85th and 95th percentile (6 years) and were enrolled as the study population. Simultaneously a group of children with normal BMI were selected as the control group and based on the international method of age grouping, each of the above groups was divided further into 4 sub-groups in terms of age: 6-9, 10-12, 13-15 and 16-18 years old, respectively.

[Prevalence of overweight and obesity among children and adolescents in Beijing in 2004].

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.

[Nutrition and health status of the Beijing residents].

Objective: To investigate the constitution and health status of the Beijing residents, and the primary influencing factors on nutrition and health, as to finding out the epidemiological characters and the changing trend of chronic diseases and to establish scientific basis for the establishment of public health and disease prevention policies of Beijing.

Methods: A stratified multi-stage cluster randomly sampling method was used. In total, 18 districts were surveyed, and among them, 9 were conducted dietary survey.

[Validation of lipids on body mass index reference recommended by Obesity Working Group, International Life Science Association of China].

Objective: To assess the relationship between overweight, obesity and blood lipid profiles of children and adolescents and to validate body mass index (BMI) cutoff points for overweight and obesity screening to Chinese children and adolescents, recommended by Working Group of Obesity, China (WGOC), International Life Science Association.

Methods: 2293 children and adolescents (1124 males and 1169 females), aged between 10 and 18 years, were randomly selected as samples from 6 schools in Beijing area. Fasting serum lipids including total cholesterol (TC), total triglycerides (TG), high density lipoprotein cholesterol (HDLC), thropometrical index as weight and height were measured.