Abstract
Epidemiology and Health Behavior on Malaria of  Foreign Labour in High risk Area,  Ranong Province	At the borderland ,a  lot of   foreigner  migrated   to work in illegal in  frontier country.    and they have a poor health.. The most common  of the endemic problem in the boarder of Thailand is Malaria and  it make a problem to Thais people who live  at the boarder of Thailand. 	This study  aimed to  compare  1)  malaria sick  rate  2) rate of malaria carrier 3) health behavior in prevention and curative . The  multiple stage  stratified method was used to select a  representative sample and divided in 3  groups and 200 subjects in each group.: Thais , Thais who habit closed to the foreign  labor and   pure foreign labor in Kra buri and la-oon district , Ranong Province . Data was collected by interview and focus group discussion.  	The results were:  60.3 % were male ,  40 %  worked in  a  rubber farm, 36.2  %  in  coffee  farm and also 13.7 % in the fruit farm and average age was 3730 years (sd.12.84), 15% of  subject got Malaria ,who 2 of 15 were Thais and 5 from 15 were Thais who habit closed to the foreign  labor and also 8 of 15 were foreign labor. Comparison of sick rate in  3 groups is not significantly different . Rate of carrier in the  foreign  labor  was 3.5 .Health behavior in  prevention and curative  were  significant different. In addition  ,the person who were not good in preventive behavior  more risky ( OR = 3.97 C.I. 0.12 – 12540) .the foreign labor  were more risky than Thais ( OR = 4.18 , C.I. 0.08-197.43) , age group upper than 45 were more risky than the lower ( OR 2.24 ,C.I. 0.08 –197.43) and  area of worked in  fruit farm was more risky (OR 2.04 C.I. 0.11 – 39.44)