Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 24 3-4 1995 09 15 21 26 B. Nikpour 2015 10 03 In a survey of the Population of Behbahan city, carried out in years 1990-91, the mean age was approximated up to 15.2 and 17.5 in the villages and the city, respectively. Furthermore, about 27.4% and 27.9% of the corresponding populations were under 5 years of age. The birth rate in the urban and rural areas was about 31.2 and 33.3 per thousand live births. Mortality rate related to the immaturity and low-birth weight were two times more in villages than in the city. There is a meaningful relationship between intent’s body weight and IMR in the villages but both in the city. https://ijph.tums.ac.ir/index.php/ijph/article/view/1553 https://ijph.tums.ac.ir/index.php/ijph/article/download/1553/1534