Masudatul, Isnaini2013-02-022013-02-022013-02-02http://repository.unri.ac.id:80/handle/123456789/1878This study aimed to determine the effect of smoking habits in the family home to Akut Respiratory Infection (ARI) incidence in infants. This research method uses descriptive design with cross sectional correlation. The research do in the village of Batang Batindih Kampar District Rumbio Jaya regency with sample as 70 families. The sampling method cluster random sampling technique with respect to the inclusion criteria. Measuring instrument used was a questionnaire with seven questions developed by the researchers. The analysis is used univariate and bivariate analyzes with chi-square test. The results indicate that there is significant influence between family smoking habits in the house on the incidence of respiratory infection in young children with a degree of significance 95% obtained the pv (0.023) <α (0.05). The conclusion of this research is that there is a significant effect between smoking family house in the incidence of respiratory infection in infants with 4.043 times greater risk than those who did not have the habit of smoking in the house. Based on the results of this study recommend the clinic to increase promotion efforts by providing counseling to families about Acute Respiratory Infection ( ARI) in infants.ensmokingfamilyARIinfantOther