Latent tuberculosis infection status among freshmen in boarding middle schools in Longgang District of Shenzhen City
Objective To analyze the current status of latent tuberculosis infection(LTBI)among freshmen in boarding middle schools in Longgang District,Shenzhen,so as to provide reference for formulating tuberculosis prevention and control strategies in the next stage.Methods Data for tuberculosis health examination conducted among primary and secondary school students in Longgang District of Shenzhen in September 2022 to May 2023 were utilized to analyze the latent tuberculosis infection rate,and to explore the differences in latent tuberculosis infection rate among different grades,school nature,school categories and school lev-els.Results The latent tuberculosis infection rate among freshmen in boarding secondary schools in Longgang District,Shenzhen in 2022 was 2.45％.The infection rate among full middle school(6.45％)and high school(3.37％)were higher than that in board-ing junior high school(0.28％),nine-year education school(0)and twelve-year education school(1.00％)(P＜0.01).Moreover,the infection rate of high school freshmen(2.68％)was higher than that of bording junior high school(0.33％),and the rate of public schools(2.87％)and municipal schools(3.24％)were higher than those of private schools(1.78％)and distric-level schools(2.13％)respectively,with statistical significance observed for all differences(x2=43.58,25.15,22.69,P＜0.01).Con-clusions The latent tuberculosis infection rate among new boarding secondary students is relatively low in Longgang District of Shenzhen.However,the infection rate is higher in high school,public and municipal school.School should fully guarantee sports participation of students,enhance students'awareness of tuberculosis through health knowledge lectures,and reduce the incidence of tuberculosis among students.
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