Analysis On The Epidemic Situation Of Injury Among Residents In Dalian In 2015

Objective:In order to effectively prevent and control the occurrence of injury,it is very important to obtain accurate,reliable and comprehensive information on the occurrence of injury and its epidemiological characteristics.Investigation of the injury of Dalian city residents aged more than 18 is in the form of a questionnaire,we analyzed the epidemiological characteristics and risk factors of injury,to determine the priority areas of injury and provide scientific basis for prevention and control strategies in Dalian.Methods:1.Surveillance: The national injury surveillance system(NISS)as a platform,we collected injury patients for the study from six hospitals in Dalian(January 1,2015 to December 31,2015),and analyzed their epidemic characteristics.2.Investigation: The study used a cross-sectional study method,using multistage stratified cluster sampling method,sampling areas include Zhongshan,Xigang,Shahekout,Ganjingzi,High-tech-Zone,Lushunkou,Jinzhou,Wafangdian,Pulandian,Zhuanghe and Changhai county,a total of 44 residents committee(village)in these regions.According to the proportion of the population age of our city,more than 18 years old people were surveyed,a total of 9262 residents.The investigation time is 12 months in the past year.Results:1.Surveillance: In 2015,29,943 cases of injury surveillance were collected in Dalian,The male and female sex ratio is 1.6: 1,25-44 age group cases the highest proportion of 40.5%,professional and technical personnel,production equipment operators and business service personnel occupied the top three occupation distribution.The top 4 causes of injuries were falls(32%),blunt injury(22%),injuries(17.8%)and road traffic injury(12.5%).The incidence of injury was mainly concentrated in the home,road/streets and public places,accounting for 68.8%.The main intention of injury is unintentional injury,accounted for 84.8%,followed by intentional injury,accounting for 10.7%,self-mutilation,accounting for 0.9%,others accounted for 3.6%.Injury in the top three were contusion / abrasion,sharp injury / open injury and fracture;the injury occurred mainly in the upper limbs(32.6%),the head(25.3%)and the lower limbs(24.1%).The injury cases were mild injury(80.3%),followed by moderate(18.9%),and the proportion of severe was the least(0.8%).In 87.0% of cases,the outcome was hospital discharge,12.3% required observation / hospitalization / referral,and only 0.1% died.2.Investigation: A total of 9256 valid questionnaires were completed in the survey,the response rate of 99.94%.In the past 12 months,there were a total of 746 people occurred injuries of 818 times.The incidence of injury was 8.8%(818/9337).The incidences of male and female injury were 9.5% and 8%,respectively.The incidence of male injury was higher than that of female(?2=6.63,P?0.05).Rates were 7.6% and 9.4% injured city and agricultural areas,agricultural areas injuries rate is higher than the city(?2=8.16,P?0.01).There were 737 people who had occurred one time injuries,81 people had occurred more than two times injuries,and the incidence of injury was 7.96% and 0.88%.Some of the most common causes of injuries were falls,sharp instrument injury,burns,road traffic injuries and blunt injuries,the incidence rates were 3.5%,2%,1.3%,0.8% and 0.7%.It was the highest injury rate was 15.2% in soldiers,and the highest rate in 15-29 years old group was 11.8%.Injury occurred mainly in the house and the road/street,accounting for 39.4% and 21.1%,respectively.The activities of injuries occurred mainly in housework,work and leisure activities,accounting for 31.5%,26.8% and 12.8%,respectively.In the injury intention,unintentional injuries(accidents)accounted for 96.1%,intentional injury(violence,aggression,self-inflicted injury and suicide)accounted for 3.1%.The injuries were mainly in the upper and lower limbs,accounting for 47.3% and 33%,respectively.Multivariate Logistic regression analysis showed that the major risk factors for the injury were age,ethnic minorities,living in agricultural areas,high blood lipids,drinking habits,work and life pressure,usually exercise(walking,playing),eye diseases,obesity,gout and bone joint disease.The main risk factors of falls were high blood lipids,work and life pressure,usually exercise(walking / playing),gout and bone joint disease,housework,drinking habits and eye diseases.Conclusion:Residents of Dalian had a higher incidence of injury,and injury rate of male was higher than female,city area was lower than the rural area,the rate of injury of young people was highest.There were two peaks of injury at ten and sixteen in one day.Injury often occurred at home and in the road/ street,housework,work and leisure activities are the main activities of the occurrence of injury.Fall was the main cause of injury in Dalian,the highest incidence of falls among the elderly.The upper and lower limbs are the most vulnerable sites after injury,and the main characteristics are open injury,sprain and contusion.Most of people suffered from mild injury,and most of the injured have been recovered.The injury risk factors were older,ethnic minorities,living in rural areas,hyperlipemia,drinking,pressure,exercise regularly(walking,playing),obesity,eye diseases,gout and bone joint disease.Fall risk factors were hyperlipemia,pressure,exercise regularly(walking,playing),gout and bone joint disease,housework,drinking and eye diseases.