Epidemiologic Investigation Of Laryngopharyngeal Reflux Disease In Troop Personel Of Fujian Region

Objective1?To understand the prevalence of laryngopharyngeal reflux disease(LPRD)in troop personel of Fujian region.2?To analyze the clinical feature and relavant risk factors of LPRD in troop personel of Fujian region.MethodsA questionnaire investigation incluing the basic information,reflux symptom index(RSI)and related risk factors was carried out in troop personel of Fujian region by face-to-face interview.Subjects included 3846 soldiers.The total scores more than 13 was regarded as LPRD,others was not considered as LPRD,the results of investigation was analyzed by statistics methods to obtain the result of the prevalence rate,clinical feature and relavant risk factors of LPRD in troop personel of Fujian region.Results1?A total of 3846 questionnaires were handed out,the eligible questionnaire was 3560 cases.RSI>13 was 374 cases,the prevalence rate of LPRD was 10.5%.2?The prevalence rate of LPRD in age group 1(16~20 years old),age group 2(21~25 years old),age group 3(26~30 years old),age group 4(more than 30 years old)was 9.2%,9.9%,15.4%,17.2% respectively.The difference among groups was statistically significant(?2=9.018,P=0.011);The prevalence rate of LPRD in conscripts,sergeant,military officer was 9.3%,12.6%,11.9% respectively,which was statistically significant among them(?2=9.018,P=0.011);The prevalence rate of LPRD in soldiers with the primary school education,hign school education,university education was 10.3%,9.6%,12.6% respectively,which was statistically significant(?2=6.241,P=0.044);The prevalence rate of LPRD in soldiers with the underweight,normal bodyweight,overweight was 9.0%,10.6%,9.8% respectively,the difference was not statistically significant(?2=0.530,P=0.767);The prevalence rate of LPRD in the unmarried and married was 10.5%,9.8% respectively,it was not statistically significant between them(?2=0.108,P=0.743).3?More than half of the population appeared frequently hawking,and nearly half of the population has bad pronunciation and excessive phlegm or nose back;The most commom symptoms of LPRD in troop personel was frequently hawking(98.4%),excessive phlegm or nose back(92.8%),boring cough(88.8%),while dysphagia was only 50.0%.The scores of RSI with LPRD had strong correlation with various symptoms.4?The smoking,greasy food,fried food,postprandial exercise,constipation,mental condition,nasal congestion,frequent tonsil inflammation was the risk factors of LPRD(P<0.05,OR value>1),The drinking,satiefy,spicy food,carbonated beverage,coffee,strong tea,sweet food,irregular diet,bedtime eating,sleep snoring,long working time was not related with happening of LPRD(P>0.05).ConclusionsThe prevalence rate of LPRD in troop personel of Fujian region was 10.5%.the main clinical symtms of LPRD was frequently hawking,excessive phlegm or nose back,boring cough.The incidence of LPRD was connected with various factors including age,postion level,education degree,smoking,greasy food,fried food,postprandial exercise,constipation,mental condition,nasal congestion,frequent tonsil inflammation.To reduce the occurrence of LPRD,some relevant preventive measures should be implemented.