Table 2. Characteristics of night eaters and non-night eaters among Korean adolescents.
The data were analysed by Complex Samples module.
1) Night eaters: night energy intake ≥ 25% of total energy intake
2) Non-night eaters: night energy intake < 25% of total energy intake
3) P-values by Rao-Scott chi square test or t-test
4) Average monthly household income based on the minimum cost of living
5) Breakfast skipping was defined as not consuming breakfast during two days in a row (i.e.: the day of the interview, as well as the day before).
6) 'Inactive': no physical activity. 'Active': moderate physical activity for at least 30 minutes a day for five days or more, and/or vigorous physical activity for at least 20 minutes for 3 or more days a week. Remaining subjects: 'Inadequately active'
7) 'Underweight': < 5th BMI percentile. 'Healthy weight': ≥ 5th,, < 85th BMI percentile. 'Overweight': ≥ 85th, < 95th BMI percentile. 'Obese': ≥ 95th BMI percentile