Influence of lifestyle factors on Body Mass Index in preschoolers in Behbahan city, southwest Iran, 2016

Background and aim: The body mass index (BMI) of Iranian preschoolers is noticeably increasing. Thus, studying the factors influencing BMI in preschool children is crucial. The purpose of this study was to identify the effects of lifestyle factors on BMI of preschool children, residing in Behbahan city, southwest Iran, in 2016. Methods: A total of 120 preschool children, aged 4 to 6 years, participated in this cross-sectional study. Multi- stage random sampling was done. Using researcher-developed questionnaires whose validity and reliability was confirmed, demographic and lifestyle data were obtained, as the questionnaires were completed by the subject’s mothers. Lifestyle factors included physical activity, fruit and vegetable consumption, sugar-free beverage intake, and screen time. Multiple logistic regression was conducted to analyze the influence of lifestyle-related behaviors on BMI. Data were analyzed by means of the SPSS 22 software and p