Table 1 Sample characteristics of Portuguese children participating in the study (2016/2017, n = 8430)
N (%) | 3–5 years | 6–10 years | p-value | |
|---|---|---|---|---|
Age | ||||
3–5 years | 2397 (28.4) | N.A. | N.A. | N.A. |
6–10 years | 6033 (71.6) | N.A. | N.A. | N.A. |
Gender | ||||
Males | 4280 (50.8) | 1238 (51.6) | 3042 (50.4) | 0.30 |
Females | 4150 (49.2) | 1159 (48.4) | 2991 (49.6) | |
SEP | ||||
Low | 1800 (24.9) | 476 (22.6) | 1324 (25.9) | 0.01 |
Medium | 2705 (37.5) | 813 (38.6) | 1892 (37.0) | |
High | 2714 (37.6) | 817 (38.8) | 1897 (37.1) | |