Analysis on injury surveillance among migrant children in Nanshan District of Shenzhen from 2011 to 2015

Objective To analyze the epidemiologic characteristics of injuries among migrant children in Nanshan District of Shenzhen,and provide basis for injury prevention and control among children.Methods Injury occurrence data of migrant children aged 0-18,who firstly treated in Nanshan hospital emergency department during 2011-2015,were collected,and the causes,location,characteristics,intention,severity and outcome of injury were analyzed.Results From 2011 to 2015,a total of 11 806 injury cases were reported,accounting for 5.7% of all the injury cases.Injury occurrence among boys was much higher than that of girls,with a gender ratios of 2.01:1.The four top causes of injuries were falling(52.0%),blunt injury(18.5%),animal injury (14.9%),and sharp instrument injury(7.3%).The main places where injuries occurred were homes (44.4%),public residential areas(21.0%),schools/ public areas(16.4%) and road/streets (10.2%).Regarding the characteristic of injury,the top four were bruises(53.2%),sharp injuries(34.0%),strains (7.9%) and bums (2.4%).There were significantly statistical differences in the causes,locations,and characteristics of injury among children of different age groups(Z=3.89,44.37,14.06,P<0.01).Most of injury cases were unintentional (99.0%);most injuries (96.0%) were mild superficial injuries and 96.1% of the patients could be discharged from hospital after treatments.Conclusion The causes of injury in migrant children are closely related to children's gender and age.Cooperation in many departments should be made to take targeted measures to prevent and control injuries of migrant children.