Table 4 Physical activity by body image perception among normal weight high school students
Under-estimation | Correct estimation | Over-estimation | Total | P-value | |
|---|---|---|---|---|---|
(n = 5,990) | (n = 9,387) | (n = 4,887) | (n = 20,264) | ||
Doing physical activity for ≥ 60 min during the past 7 days | |||||
None | 30.5 ± 0.7 | 37.1 ± 0.7 | 45.1 ± 0.8 | 37.0 ± 0.6 | <0.001 |
1–2 days | 35.8 ± 0.7 | 35.3 ± 0.5 | 34.6 ± 0.7 | 35.3 ± 0.4 | |
3–4 days | 20.1 ± 0.6 | 15.8 ± 0.4 | 12.9 ± 0.5 | 16.4 ± 0.4 | |
5–6 days | 8.2 ± 0.4 | 6.9 ± 0.3 | 5.0 ± 0.3 | 6.8 ± 0.2 | |
Daily | 5.4 ± 0.3 | 4.9 ± 0.3 | 2.5 ± 0.2 | 4.5 ± 0.2 | |
Doing vigorous exercise during the past 7 days | |||||
None | 21.4 ± 0.7 | 28.5 ± 0.7 | 36.1 ± 0.8 | 28.2 ± 0.6 | <0.001 |
1–2 days | 42.4 ± 0.7 | 41.2 ± 0.5 | 42.7 ± 0.8 | 41.9 ± 0.4 | |
3–4 days | 22.4 ± 0.6 | 17.7 ± 0.5 | 13.6 ± 0.6 | 18.2 ± 0.4 | |
≥5 days | 13.8 ± 0.5 | 12.5 ± 0.5 | 7.6 ± 0.4 | 11.7 ± 0.4 | |
Doing muscle strengthening exercise during the past 7 days | |||||
None | 39.8 ± 0.8 | 51.0 ± 0.9 | 65.4 ± 0.8 | 51.0 ± 0.8 | <0.001 |
1–2 days | 28.6 ± 0.6 | 26.4 ± 0.6 | 21.8 ± 0.7 | 26.0 ± 0.5 | |
3–4 days | 16.3 ± 0.5 | 11.4 ± 0.4 | 7.6 ± 0.4 | 12.0 ± 0.3 | |
≥5 days | 15.2 ± 0.5 | 11.3 ± 0.4 | 5.1 ± 0.3 | 11.0 ± 0.4 | |
Walking for ≥ 10 min during the past 7 days | |||||
None | 5.8 ± 0.3 | 5.6 ± 0.3 | 6.2 ± 0.3 | 5.8 ± 0.2 | <0.001 |
1–2 days | 10.2 ± 0.4 | 11.7 ± 0.4 | 12.4 ± 0.5 | 11.4 ± 0.3 | |
3–4 days | 10.8 ± 0.5 | 12.8 ± 0.4 | 13.5 ± 0.5 | 12.4 ± 0.3 | |
5–6 days | 18.8 ± 0.5 | 20.8 ± 0.5 | 21.8 ± 0.6 | 20.4 ± 0.3 | |
Daily | 54.4 ± 0.8 | 49.2 ± 0.7 | 46.0 ± 0.7 | 50.0 ± 0.5 | |