RESUMO
Objective To study the health effects and contributing factors of cold and humid residence in rural areas with cold climate. Methods 213 rooms of 125 families in rural areas of Huinan county,Jilin province were observed.The microclimate,the temperatures on the surface of inside and outside walls,the condition of heating and heat insulation of 58 rooms among 213 rooms were determined according to the various condition of the cold and humid environment.The health questionnaire,physical examination,determination of skin temperature and tachogram of finger,test of picking up beads were carried out among residents with residential history of more than 5 years. Results The average skin temperature of bodies and fingers and total amount of beads picked up among the observed residents were significantly lower than those of control group.Significant positive correlation was found between the skin temperatures of fingers of observed residents and their indoor air temperatures( t=0 7839,P