Abstract
Objective: To assess factors associated with excess weight in primary schools from private schools in the city of Porto Velho, RO. School-based study of 10,159 students, 2014. Methods: The sample was based on a prevalence of 50% overweight, four percentage points error, confidence interval 95% non-response rate of 15%, finished with 652 school. A questionnaire, Global School-based Student Health Survey was applied. To determine the nutritional status, it used the Body Mass Index, cutoffs: stable weight (<+1 z score), overweight (≥ +1 Z score). Results: The prevalence of overweight was 37.4%, a 2.8% underweight, 59.8% normal weight, overweight and obese 21.9 15.5%. Were significantly associated with overweight, male (44.8%), 5th, 6th and 7th year series (40.1%, 39.8% and 42.7%), does not attend physical education classes (52.7%), greater than three meals a day and a preference for snack food / fast food (53.4%) and sweets (52.4%). Conclusion: The associated factors appear to intervene in excess of the private school network by weight Porto Velho teaching.