From: Did the increase in sitting time due to COVID-19 lead to obesity in adolescents?
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Percent | SD | Percent | SD | Percent | SD | Percent | SD | Percent | SD | Percent | SD | ||
Total (N) | 65,212 | 61,861 | 59,734 | 57,069 | 54,809 | 54,712 | |||||||
BMI (mean, SD) | (21.1 ± 0.03) | (21.24 ± 0.03) | (21.32 ± 0.03) | (21.35 ± 0.03) | (21.5 ± 0.03) | (21.61 ± 0.03) | |||||||
Age (mean, SD) | (15.11 ± 0.02) | (15.14 ± 0.02) | (15.16 ± 0.02) | (15.08 ± 0.02) | (15.19 ± 0.02) | (15.23 ± 0.02) | |||||||
Male | (15.12 ± 0.04) | (15.15 ± 0.04) | (15.17 ± 0.04) | (15.09 ± 0.04) | (15.2 ± 0.04) | (15.24 ± 0.04) | |||||||
Female | (15.1 ± 0.04) | (15.13 ± 0.04) | (15.15 ± 0.04) | (15.07 ± 0.05) | (15.17 ± 0.04) | (15.21 ± 0.04) | |||||||
Sex | Male | 52.09 | 1.32 | 51.99 | 1.27 | 51.98 | 1.24 | 51.92 | 1.22 | 51.84 | 1.15 | 51.64 | 1.11 |
Female | 47.91 | 1.32 | 48.01 | 1.27 | 48.02 | 1.24 | 48.08 | 1.22 | 48.16 | 1.15 | 48.36 | 1.11 | |
School grade | 7th grade | 14.72 | 0.25 | 14.88 | 0.26 | 14.56 | 0.25 | 15.99 | 0.28 | 17.88 | 0.29 | 16.99 | 0.28 |
8th grade | 14.39 | 0.23 | 15.38 | 0.26 | 15.7 | 0.27 | 15.35 | 0.26 | 16.2 | 0.27 | 17.86 | 0.26 | |
9th grade | 16.35 | 0.26 | 15.06 | 0.25 | 16.25 | 0.27 | 16.58 | 0.27 | 15.58 | 0.25 | 16.19 | 0.26 | |
10th grade | 18.46 | 0.28 | 17.14 | 0.25 | 15.93 | 0.25 | 17.17 | 0.26 | 16.89 | 0.28 | 15.63 | 0.25 | |
11st grade | 17.94 | 0.27 | 18.99 | 0.28 | 17.78 | 0.29 | 16.45 | 0.26 | 17.06 | 0.27 | 16.59 | 0.27 | |
12nd grade | 18.14 | 0.28 | 18.55 | 0.28 | 19.78 | 0.31 | 18.46 | 0.3 | 16.38 | 0.28 | 16.74 | 0.28 | |
School type | Mixed-sex school | 62 | 1.65 | 63.73 | 1.6 | 64.85 | 1.61 | 65.85 | 1.59 | 66.53 | 1.53 | 69.58 | 1.53 |
Boys-only school | 19.22 | 1.45 | 18.46 | 1.4 | 17.87 | 1.39 | 17.2 | 1.33 | 17.29 | 1.34 | 14.57 | 1.2 | |
Girls-only school | 18.77 | 1.45 | 17.8 | 1.39 | 17.29 | 1.36 | 16.95 | 1.35 | 16.18 | 1.3 | 15.85 | 1.3 | |
GPA | High | 10.16 | 0.14 | 9.88 | 0.15 | 9.81 | 0.14 | 9.73 | 0.14 | 10 | 0.16 | 9.84 | 0.16 |
Upper middle | 23.15 | 0.19 | 22.27 | 0.2 | 22.08 | 0.21 | 22.08 | 0.2 | 23.01 | 0.23 | 22.01 | 0.2 | |
Middle | 28.7 | 0.19 | 28.82 | 0.2 | 29.45 | 0.2 | 30.21 | 0.21 | 30.16 | 0.21 | 31.03 | 0.21 | |
Lower middle | 25.16 | 0.18 | 25.65 | 0.19 | 25.49 | 0.19 | 24.93 | 0.21 | 24.65 | 0.22 | 24.48 | 0.22 | |
Low | 12.82 | 0.18 | 13.39 | 0.19 | 13.16 | 0.18 | 13.05 | 0.19 | 12.19 | 0.2 | 12.64 | 0.18 | |
Region | Metropolitan | 51.64 | 0.69 | 51.38 | 0.73 | 51.01 | 0.73 | 50.68 | 0.74 | 50.34 | 0.75 | 50.01 | 0.74 |
City area | 43.41 | 0.7 | 44.03 | 0.74 | 44.25 | 0.75 | 44.76 | 0.77 | 45.13 | 0.76 | 45.53 | 0.75 | |
Rural | 4.95 | 0.33 | 4.59 | 0.43 | 4.74 | 0.42 | 4.56 | 0.32 | 4.53 | 0.31 | 4.46 | 0.27 | |
Smoking status | None / month | 93.86 | 0.21 | 93.84 | 0.2 | 93.49 | 0.2 | 93.42 | 0.19 | 95.63 | 0.15 | 95.58 | 0.14 |
More than 1 / month | 6.14 | 0.21 | 6.16 | 0.2 | 6.51 | 0.2 | 6.58 | 0.19 | 4.37 | 0.15 | 4.42 | 0.14 | |
Skipping breakfast | 0–4 days / week | 71.81 | 0.27 | 68.54 | 0.28 | 66.48 | 0.28 | 64.31 | 0.29 | 62.75 | 0.3 | 61.97 | 0.29 |
5–7 days / week | 28.19 | 0.27 | 31.46 | 0.28 | 33.52 | 0.28 | 35.69 | 0.29 | 37.25 | 0.3 | 38.03 | 0.29 | |
Average sleep hour per week (mean, SD) | (6.3 ± 0.02) | (6.27 ± 0.02) | (6.25 ± 0.02) | (6.3 ± 0.02) | (6.22 ± 0.01) | (6.17 ± 0.01) | |||||||
Household income | High | 37.12 | 0.37 | 40.32 | 0.41 | 40.77 | 0.37 | 39.66 | 0.36 | 39.85 | 0.41 | 40.15 | 0.42 |
Middle | 47.4 | 0.29 | 45.75 | 0.31 | 46.15 | 0.29 | 47.85 | 0.29 | 47.57 | 0.33 | 49 | 0.33 | |
Low | 15.47 | 0.2 | 13.93 | 0.22 | 13.08 | 0.2 | 12.49 | 0.19 | 12.58 | 0.19 | 10.85 | 0.18 |