Department of Food and Nutrition, Chungbuk National University, Cheongju, Korea.
Copyright © 2017 The Korean Society of Community Nutrition
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1) N (%)
2) Obesity index = (body weight – standard body weight) / standard body weight × 100
3) Non-addicted (S-scale score ≤ 41 pt), Addicted (S-scale score ≥ 42 pt)
*: p < 0.05, **: p < 0.01, ***: p < 0.001
1) N (%)
2) N = 297: Multiple responses among subjects who answered yes for consuming snack foods during TV watching, computer and/or smartphone use
*: p < 0.05, ***: p < 0.001
1) Adjusted by gender and grade
2) Mean±SD
3) 5-point Likert scale was used from 1 (strongly dislike) to 5 (strongly like)
‡‡: p < 0.01 (Grade difference)
†: p < 0.05, †††: p < 0.001 (Gender difference)
*: p < 0.05, **: p < 0.01
1) Adjusted by gender and grade
2) Mean±SD: eating frequency per a week
‡: p < 0.05, ‡‡: p < 0.01 (Grade difference)
†: p < 0.05, ††: p < 0.01 (Gender difference)
*: p < 0.05, **: p < 0.01
1) Adjusted by gender and grade
2) 5-point Likert scale was used from 1 (strongly disagree) to 5 (strongly agree)
3) Mean±SD
4) 5-point Likert scale was used from 1 (strongly agree) to 5 (strongly disagree)
‡: p < 0.05, ‡‡: p < 0.01 (Grade difference)
†: p < 0.05, ††: p < 0.01 (Gender difference)
*: p < 0.05, **: p < 0.01, ***: p < 0.001
1) Adjusted by gender and grade
2) Score 1 for correct answer, score 0 for wrong answer or I don't know, Mean±SD
‡: p < 0.05 (Grade difference)
†: p < 0.05, ††: p < 0.01 (Gender difference)
*: p < 0.05
1) N (%)
*: p < 0.05
1) N (%) 2) Obesity index = (body weight – standard body weight) / standard body weight × 100 3) Non-addicted (S-scale score ≤ 41 pt), Addicted (S-scale score ≥ 42 pt) *: p < 0.05, **: p < 0.01, ***: p < 0.001
1) N (%) 2) N = 297: Multiple responses among subjects who answered yes for consuming snack foods during TV watching, computer and/or smartphone use *: p < 0.05, ***: p < 0.001
1) Adjusted by gender and grade 2) Mean±SD 3) 5-point Likert scale was used from 1 (strongly dislike) to 5 (strongly like) ‡‡: p < 0.01 (Grade difference) †: p < 0.05, †††: p < 0.001 (Gender difference) *: p < 0.05, **: p < 0.01
1) Adjusted by gender and grade 2) Mean±SD: eating frequency per a week ‡: p < 0.05, ‡‡: p < 0.01 (Grade difference) †: p < 0.05, ††: p < 0.01 (Gender difference) *: p < 0.05, **: p < 0.01
1) Adjusted by gender and grade 2) 5-point Likert scale was used from 1 (strongly disagree) to 5 (strongly agree) 3) Mean±SD 4) 5-point Likert scale was used from 1 (strongly agree) to 5 (strongly disagree) ‡: p < 0.05, ‡‡: p < 0.01 (Grade difference) †: p < 0.05, ††: p < 0.01 (Gender difference) *: p < 0.05, **: p < 0.01, ***: p < 0.001
1) Adjusted by gender and grade 2) Score 1 for correct answer, score 0 for wrong answer or I don't know, Mean±SD ‡: p < 0.05 (Grade difference) †: p < 0.05, ††: p < 0.01 (Gender difference) *: p < 0.05
1) N (%) *: p < 0.05