Physical activity quantified by questionnaire and accelerometry in schoolchildren. A comparison

• DOI: 10.19230/jonnpr.2220
• Publication Date: 2018-02-01
• Authors: Brenda Paola Jimé...; Lidia Guillermina...; Luis Alberto Flor...; Ramón Candía Luján; Claudia Esther Ca...; Briseidy Ortiz-Ro...

Introduction. Questionnaires have long been the tool of choice for measurement physical activity in large population groups, however, they depend on accuracy with which are answered. Accelerometers, other hand, can directly measure physical activity, eliminate subjectivity and, allow comparisons instruments such as questionnaires.Objective. Establish correlation level Four by one-day physical questionnaire (FOPAQ) ActiGraph wGT3x-BT accelerometer based quantification daily school children aged 6 to 11 years.Method. 107 schoolchildren were evaluated FOPAQ and wGT3x-BT from thursday sunday. For analyzes, only 43 chosen who correctly answered FOPAQ. The time spent four levels activity intensity was obtained: sedentary, light, moderate vigorous, both methods. Pearson Spearman correlations were performed, addition a t-Student Wilcoxon test each variables between the four days measured.Results ranged -0,103 0,077 ranged -0,058 0,014. The FOPAQ overestimated sedentary vigorous well as underestimated light time.Conclusion. No found, so it is not possible to recommend its use even boys and girls