Faktor-faktor Risiko Terhadap Obesitas Pada Remaja Di Kota Bitung

: Obesity is defined as a condition of abnormal or excessive fat accumulation in adipose tissue which can be harmful for health. The risk factors that can affect obesity in adolescent are dietary habit, lifestyle, physical activity, environmental factor, genetics, health factor, psychological and hormonal drugs. The purpose of this study was to determine the prevalence and risk factors for obesity in adolescent. This study used cross sectional method with descriptive approach, the sampling technique used in this study is simple random sampling. Samples are 966 students which met the inclusion criteria were 15 to 18 years old, was willing to be sampled. Data retrieval is done by measuring waist circumference. Conclusion: Based on the waist circumference measurement of 966 populations, 220 peoples are found obese with presentation of 22,8% consisting of 59 boys with presentation 6,1% and 161 girls with presentation of 16,7%. Based on the research result, dietry habit is the most affecting factor in obesity, followed by genetic factor, lifestyle, physical activity and environmental factor and the last are health factor and psychological