FAKTOR – FAKTOR YANG MEMPENGARUHI OBESITAS PADA BALITA Arifah Istiqomah, Sri Sundari, Hesty Rika Wulandari Akademi Kebidanan Ummi Khasanah, Jl. Pemuda Gandekan, Bantul e-mail : ariffah@ymail.com Abstract: Factors Affecting The Obesity in Children. Obesity has become a global health problem, especially in developed countries as well as in developing countries. Obesity has a strong correlation with morbidity and mortality. Obesity in children under five in Indonesia shows an increasing rate that is quite high and needs to be handled quite seriously about the causes, preventive actions, and treatment efforts. This study discusses the factors that influence obesity in children under five, namely: breastfeeding, provision of toddler porridge, nutritional intake, and consumption of fast food. To determine the relationship of breastfeeding, giving toddler porridge, nutritional intake, and consumption of fast food with the incidence of obesity in children in Puskesmas Banguntapan III Bantul Yogyakarta in 2013. The study design used was a case-control with retrospective approach, the research was conducted in the area of Public Health Center of Banguntapan III Bantul Yogyakarta from the period of December 2012 to July 2013. The entire populations are mothers and infants in Puskesmas Banguntapan III Bantul, Yogyakarta. The samples in this study were 30 obese children as the case group, and 30 non-obese children as the control group. The data uses Primary and Secondary Data. Research results were analyzed by chi-square test of association. After being analyzed by using the chi-square, the results indicate x 2 count on breastfeeding and porridge for toddlers (32,308)>x 2 table (3,881) with a p-value 0,000<0,05 (OR: 4333), x 2 count on Nutritional Intake of (22,500)>x 2 table (3,881) with p 0,000<0,05 (OR: 21,000), x 2 count on fast food consumption at (15,017)>x 2 table (3,881) with p 0,000<0,05 (OR: 9036). There is a relationship between breastfeeding and toddler porridge, nutritional intake, consumption of fast food with the incidence of obesity in Puskesmas Banguntapan III Bantul, Yogyakarta. The greatest risk factor or that of having the greatest odds ratio value is nutritional intake. Keywords: obesity in toddlers, breastfeeding, nutritional Intake, fast food Abstrak: Faktor-faktor yang Mempengaruhi Obesitas pada Balita. Obesitas telah menjadi masalah kesehatan global, terutama di negara-negara maju dan negara-negara berkembang. Obesitas mempunyai korelasi yang kuat dengan morbiditas dan mortalitas. Obesitas pada anak balita di Indonesia menunjukkan angka peningkatan yang cukup tinggi dan perlu mendapat penanganan yang cukup serius mengenai penyebab, tindakan pencegahan, dan upaya pengobatannya. Pada penelitian ini dibahas mengenai faktor-faktor yang mempengaruhi obesitas pada balita, yaitu: pemberian ASI, pemberian bubur balita, asupan nutrisi dan konsumsi makanan cepat saji/ fast food. Untuk mengetahui hubungan pemberian ASI, pemberian bubur balita, asupan nutrisi dan konsumsi makanan cepat saji/ fast food dengan kejadian obesitas pada balita di wilayah kerja Puskesmas