These stratifications of body mass index are used to operationalize weight status as objectively as possible based on meaningful WHO norms that account for gender and age on the basis of a quarter year. Differences are calculated using z-tests56. Post-hoc power of the results was simulated via...
Q is for quilt, question, quarter, quill R is for rain, rainbow, radish, robot S is for spoon, snail, suitcase, snowflake, spider, sun T is for tree, tractor, tulip, turtle, tomato U is for underwear, undershirt, utensils, ukulele ...
Physical inactivity is an increasing problem worldwide, but especially among girls. This difference by gender increases with age. Schools serve virtually a
the results of the study by Solís García and Borja González [24] show that more than half of the school children surveyed (mean age 8.92 years) spend more than 1 h a day doing homework, and more than a quarter spend more than 2 h a day doing homework. It would be relevant to te...
Table 1contains the description of the total sample characteristics. More than one-quarter of the children were overweight or obese (23.1% overweight, 95% CI: 18.6%, 28.3%; 6.8% obesity, 95% CI: 4.4%, 10.4%), without differences between boys and girls, or between school educational levels...