بررسی نابرابری اقتصادی اجتماعی در استعمال سیگار در مناطق روستائی شهرستان همدان (با استفاده از شاخص تمرکز)

Background and Objectives: Smoking or second hand smoke is a basic problem in public health and it is a preventable cause of non-communicable diseases and premature deaths.  The aim of this cross-sectional study was to estimate the prevalence of tobacco consumption and the socioeconomic inequality in rural areas of Hamadan city. Materials and Methods: This study was conducted from September 2012 to February 2013. The multi-stage cluster sampling was used and a total of 350 subjects were recruited. The data were collected by means of a questionnaire. Socioeconomic statuses were calculated on the basis of wealth score by using principle component analysis.The concentration index and concentration curve were used to measure and illustrate socioeconomic inequalities. P_value less than 0.05 were considered statistically significant. Results: The prevalence of self-reported current smoking (1+ cigarettes per day) in men was 42.01% (95% CI: 36.72- 47.30). The mean number of cigarettes per day was 11.11±8.1. The concentration index in current smoking was -0.11 (95% CI: -0.21, - 0.01) that shows inequity distributed and significant disproportionately concentrated among the lower economic levels. Conclusions: The results showed that the prevalence of cigarette smoking in this region was high and socio-economic inequalities were significant. These inequalities reduced by improving educational opportunities, fair income distribution, health-related behaviors.