Objective To evaluate the relationship between Internet addiction disorder(IAD),Internet addiction tendency(IAT) and behavior type A of young students aged ≥16 years in urban districts,Tianjin.Based on the result,the intervention resolution suggestion was put forward.Methods 4 484students(male2 331,female2 153) anonymously completed the Questionnaire on Situation of Internet Using of Students compiled for this study and the Questionnaire on types of Northern Chinese adult's Behavior.All data was recorded with the evaluating system for adolescent Internet addiction.Result There are 306(6.82%) cases of IAD and 600(13.83%) of IAT among the students.The screened positive rate in boys was 9.87% for IAD and 15.66% for IAT,which significantly higher than those in girls(3.53%,10.92%).The rates in students with behavior type A and type M were the same but significantly higher than that in students with behavior type B.After weighing cases by power on learning stage and sex,the results showed the prevalent rates of IAD and IAT in students with behavior type A and type sub-A were significantly higher than those in students with behavior type M,type sub-B and type B.After weighing cases by power only on learning stage,the positive rates of IAD were higher in students with behavior type A(8.87% in high school students,11.11% in college students) than those in students with type M(7.77%,7.81%) and type B(4.35%,4.44%).Conclusions The results show a significant relationship between IA and behavior type A in students.It should be strengthened to take psychological intervention for young students,especially for students with high risk of IA and IAT in senior high schools.

Objective To know the prevalence and distribution of Internet Addiction Disorder(IAD) among the adolescent students in urban districts in Tianjin.Methods This survey was carried out during November,2006 to April,2007 with Stratified cluster random sampling method.8225 questionnaires were valid among 8694 participants.Xing Yi's IAD diagnosis standard was used on the survey.Internet Addiction Tendency(IAT)by our definition was those students who had 3 or 4 of 10 indicators.The national standard population proportion of school students from junior high school to college in 2000 were used in weighing cases by power.Results 1.The detection rates of IAD between students online 2,3 or 4 hours per day were significantly different of the check out rate of IAD from the students on-line 2,3,or 4 hours per day,except time factor in the indicators;2.The detection rates of IAD between students with different learning stage or education system were also significantly different;the highest rate was among the students at special technical secondary school(11.69%),then followed by technical college and college students(6.74% and 6.73%),and junior high school and senior high school students(5.98% and 5.95%).The detection rates of IAT were increased by learning stage;the lowest rate was 8.65% in junior high school students,followed by 12.11% in high school students,13.96% in technical secondary school students,15.58% in technical college students and 16.73% in college students;3.After weighing case by power on learning stage or education system,the total IAD prevalence was 6.90%,9.50% for boys and 4.17% for girls.Total IAT prevalence was 11.78%,14.43% for boys and 8.96% for girls;4.For students in area with higher economic level,the rates of IAD and IAT were 4.16% and 8.27%,respectively,lower than those in other economic levels;5.Both IAD and IAT prevalent rates were no significant difference between the key high schools and common high schools.Conclusion The students of special technical secondary schools are high risk population for IAD and IAT.Students in area with higher level of economic have lower rates of IAD and IAT.It is suggested that it is needed to carry out health education on Internet using among the adolescent students together with family,school and social good environment.

Objective To develop an evaluating system for Internet addiction disorder(IAD) of adolescent and college students.Methods This system was a C/S mode system and developed by vb.net and SQL Server 2000,it had automatic logical control function.All the investigated subjects answered and filled the questionnaire on the computer with the system,then the data transformed into the database which could be analyzed by the administrator or statistical personnel.Result The system could evaluate whether the student had addicted to Internet and save all data in the database.Conclusions This software system is useful for group investigation and students self-evaluation on IAD,which is helpful to master the condition of IAD in students.

Objective To investigate the status of diabetes and its risk factors in Karamay.Methods A sampling survey was carried out in Baijiantan district of Karamay from March,2003 to Dec.,2003,all subjects aged 20 to 75 and lived 5 years and above were selected with stratified sampling method according to the age structure of the inhabitants in Karamay.Results Diabetes prevalence was positively correlated with age(OR=1.047),male(OR=1.922),obesity(OR=1.641),hypertension(OR=1.624) and hyperlipidemia(OR=2.131)(P

Objective To compare the characteristics and abnormity of lipid metabolism among three groups of population in Yangpu.Methods The data of blood lipids of three subpopulations were collected by epidemiologic investigation and experimental examination.Results The abnormal rates of total cholesterol and triglycerides were 50.85% and 56.91% in patients with coronary heart diseases;41.28% and 46.82% in patients with diabetes,23.58% and 32.46% in staffs of enterprises.The abnormal rates of total cholesterol and triglycerides were 43.55% and 51.75% in over-weight subjects,and all of them were higher than those in subjects with normal body mass index.The abnormal rate of triglycerides was significant higher in subjects with abnormal ratio of waist-hip(46.35%) than that with normal ratio(39.77%,P

20 yrs were screened in 5 communities of Daqing.Results The prevalent rate of diabetes was 5.10%,and its standardized prevalent rate was 5.20%,thereinto 91.89% of it was type 2 diabetes and 2.12% was IFG.With Logistic regression analysis,the results showed that the risk factors for type 2 diabetes included family history of diabetes(OR=2.133,95%CI: 1.210～3.760),hypertension(OR=3.669,1.966～5.833),high intake of sweetmeat(OR=1.770,95%CI:1.214～3.090),high intake of lipids(OR=3.222,95%CI:1.667～5.235),addiction for animal viscera(OR=2.292,95%CI:1.033～4.587),ratio of waistline vs hip circumference,coronary heart disease(OR=4.818,95%CI:2.246～6.336),history of cerebrovascular disease(OR=2.196,95%CI:1.864～5.583),hyperlipidemia(OR=2.882,95%CI:1.458～5.968),cigarette smoking(OR=1.642,95%CI:1.197～2.088),civil servant(OR=2.046,95%CI:1.722～3.633) and occupation of education & clinics(OR=2.742,95%CI:1.924～3.742). Conclusion The diabetes is related with many factors.Its harm to health of Daqing citizens is becoming more and more serious.It should be important to take efficient measures for the prevention and treatment of chronic diseases in community.

Objective To explore the risk factors for complicated hypertension in type 2 diabetic patients. Methods A community-based case-control study was conducted and some risk factors of complicated hypertension in type 2 diabetic patients were analyzed.126 cases and 273 controls were type 2 diabetic patients with and without hypertension respectively.Results The results from univariate logistic regression analysis showed that the occurrence of complicated hypertension in type 2 diabetic patients was statistically related to the body mass index(BMI),waist hip ratio(WHR) and the intake of grain crop.The corresponding OR with 95% CI were 1.474(1.101~1.973),1.478(1.180~1.852) and 1.349(1.098~1.657),respectively.After adjusted for confounding factors,the associations mentioned above were still statistically significant.No associations were observed between complicated hypertension in type 2 diabetes and diabetes duration,glycemia control,exercise,smoking and alcohol drinking,serum total cholesterol,triglycerides,high density lipoprotein,low density lipoprotein and very low density lipoprotein cholesterol levels.Conclusion The high body mass index(BMI),high waist hip ratio(WHR) and high intake of grain crop may increase the risk for the complicated hypertension in type 2 diabetic patients.

Objective To explore the relationship between nutrients intake and the prevalence of metabolic syndrome(MS) in urban and rural residents in Guangxi.Methods 3026 people aged 18 years and above were sampled at random from 4 cities and 4 countries in Guangxi with a multistage stratified sampling.All subjects took the diet investigation with 24-hours review method,medical examination and blood assay.Results 107 subjects(3.54%) suffered from MS,and the prevalence rate in city(5.21%) was significantly higher than that in countryside(1.90%,P

Objective To explore the role of medical insurance in the treatment of the coronary heart disease(CHD) out-patients with or without medicare. Methods 92 CHD out-patients from the medicare department and 92 CHD out-patients from general department of Shandong Taishan Chronic Disease Hospital were investigated and comparatively analyzed on their clinical data in the past 1 year,including the times of hospital visiting,compliance with doctor's instruction,blood pressure,serum lipids and blood glucose control and evaluation of treatment effect based on their clinical symptoms and ECG records.Results The compliance with doctor's instruction,blood lipids,blood pressure control of out-patients in medicare department were significantly better than those in general department(P

Objective To understand hypertension risk factors among adult residents in Hebei province.Methods The adult residents were selected by multistage stratified sampling,and investigated with the same questionnaires,body measurement,blood pressure measurement,blood sample analysis,to analyze risk factors of hypertension by ?2 with simple factor and by logistic regression with mult-factors.Results The prevalence of hypertension in 4200 adult residents(18-69 ages) was 39.6% and age-adjusted rate was 28.5%.The single factors analysis indicated that the prevalence of hypertension was higher in men than in women,in countryside than in city,and increased with age rising.Its prevalence is correlated with education level,marriage status,occupation,income,smoking,passive smoking,manual activity,eating habits,BMI,waist,diabetes,blood fat,status of spirit and health.Multiple logistic regression analysis indicated that city,female,educational level of senior high school and above that,farm working,eating less brined vegetables is protective factors for hypertension,and their OR(95%CI) were 0.777(0.644~0.937),0.674(0.551~0.823),0.654(0.534~0.801),0.826(0.684~0.997),0.844(0.729~0.977) respectively,and more than 35 ages,not usually eating vegetable,bad status of health by self-sensations,high serum TC and TG,overweight and obesity were the main risk factors for hypertension,and their OR(95%CI) were 4.145(3.263~5.266),4.460(1.049~18.969),1.234(1.068~1.425),1.400(1.200~1.634),1.420(1.074~1.878),1.478(1.235~1.768),1.728(1.448~2.061) respectively.Conclusion The prevalence of hypertension in adult residents in Hebei province was correlated with multi-factors,so complicated prevention and control in hypertension should be reinforced.