Department of Food and Nutrition, College of Natural Sciences, Seoul Women's University, Seoul, Korea.
Copyright © 2011 The Korean Society of Community Nutrition
1) N (%)
1) BMI(Body Mass Index) : weight(kg)/height (m)2
2) Mean ± SD
*: p < 0.05, **: p < 0.01, ***: p < 0.001 by t-test between boys and girls
1) Mean ± SD
*: p < 0.05 by t-test between boys and girls
1) N (%)
1) Mean ± SD
***: p < 0.001 by t-test
1) N
Knowledge (0 - 1): correct answer 1, don't know and wrong answer 0
1) %
2) *: p < 0.05, **: p < 0.01 by Chi-square test
3) Mean ± SD
4) *: p < 0.05 by t-test
Score (1 - 4) : 6 - 7days per week 4, 3 - 5days per week 3, 1 - 2days per week, 0 day per week 0
1) Mean ± SD
*: p < 0.05 by t-test
Score (1 - 4) : strong disagree 1, disagree 2, agree 3, strong agree 4
1) Mean ± SD
*: p < 0.05 by t-test
1) N (%)
1) BMI(Body Mass Index) : weight(kg)/height (m)2 2) Mean ± SD *: p < 0.05, **: p < 0.01, ***: p < 0.001 by t-test between boys and girls
1) Mean ± SD *: p < 0.05 by t-test between boys and girls
1) N (%)
1) Mean ± SD ***: p < 0.001 by t-test
1) N
Knowledge (0 - 1): correct answer 1, don't know and wrong answer 0 1) % 2) *: p < 0.05, **: p < 0.01 by Chi-square test 3) Mean ± SD 4) *: p < 0.05 by t-test
Score (1 - 4) : 6 - 7days per week 4, 3 - 5days per week 3, 1 - 2days per week, 0 day per week 0 1) Mean ± SD *: p < 0.05 by t-test
Score (1 - 4) : strong disagree 1, disagree 2, agree 3, strong agree 4 1) Mean ± SD *: p < 0.05 by t-test