kondisi lingkungan fisik dan lama waktu bermain di luar rumah dengan kegemukan pada anak prasekolah

Background: The prevalence of childhood obesity in Yogyakarta Municipality has increased in recent years. The built environment of which are not designed properly may limit the time for children's outdoor activity. Objective: This study tried to investigate the links between parents perceptions of their built environment with outdoor playing time and obesity among preschool children in Yogyakarta Municipality. Method: This is a case-control study. Cases were identified as obese preschoolers (Z score based on W / H> 2 SD) and controls were children who were not obese (Z score based on W / H ≤ 2 SD) and matched by sex and age. Data were collected in the Yogyakarta Municipality. Samples were selected using multistage sampling method. The sample of cases and controls were 101 people (1: 1), respectively. conditional logistic regression statistical tests were performed to identify the risk factors for preschool obesity. Results: Children who did not play outdoors enough time were at higher risk of becoming obese (OR = 2,27, CI (1,14-4,62)); Built environment seems to be a modifier for outdoor playing time that will impact the odds of obesity among preschool children. Conclusion: Preschool children who played outdoor less than 2 hours had a higher risk of becoming obese. Outdoor playing time was associated with built environment.