Keli Vicenzi, Ruth Liane Henn, Ana Paula Weber, Vanessa Backes, Vera Maria Vieira Paniz, Talita Donatti, Maria Teresa Anselmo Olinto
[Food insecurity and overweight in first grade students in the municipal school system in São Leopoldo, Rio Grande do Sul State, Brazil]
Cadernos de saude publica
quantified moderatetovigorous physical activity mvpa heart rate 140 bpm urban public elementary school children school days schooldays without physical education pe class using continuous heart rate monitoring heart rate 81 students 938 black grades 3 5 recorded 15second intervals basis 575 schoolday observations mean 71 daysstudent students accumulated 444 standard deviation sd 344 minutes mvpa days pe 306 sd 299 mvpa minutes days without pe p 001 school policies promote daily pe help children underresourced areas achieve recommended 60 minutes per day mvpa