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Effects of Exercise and Television Viewing on the Body Mass Index of the Elementary School Children
This study was conducted to investigate the influence of exercise and television viewing on the body mass index (BMI) of Taipei Shan-Shing Elementary School children (305 boys and 287 girls, 10-15 yr.). On an interview basis, data of body weight, height, and the time of exercise and television viewing were collected with a questionnaire. The BMI of 5th and 6th grade children were significantly affected by the gender (P<0.05) but not the age. The exercise time of the school boys was significantly higher than that of the school girls (P<0.05). The television viewing time of the 5th grade girls was significantly lower than those of other school children (P<0.05) investigated in this study. There was no significant difference in the television viewing time among the 5th grade boys and 6th grade boys and girls. The exercise time of the heavy children (BMI> mean+ S. D.) was significantly lower than those of other children (P<0.05). The television viewing time of these heavy children was numerically higher than others, although it did not reach the statistically significant difference. Therefore, in order to prevent the obesity and chronic disease, the outdoor activity and exercise time should be increased, and the time of television and video viewing should be decreased for our children.
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