Table 1 Participant descriptive characteristics and differences by sex
|  | Total Sample (n = 248) | Boys (n = 141) | Girls (n = 107) | p |
|---|---|---|---|---|
Age (M, SD) | 4.2 ± 0.6 | 4.4 ± 0.7 | 4.0 ± 0.6 | <0.001 |
SES (IRSAD) (M, SD) | 1020 ± 61 | 1025 ± 62 | 1013 ± 58 | 0.13 |
Vocabulary score (M, SD) | 27.2 ± 6.5 | 27.6 ± 6.5 | 26.6 ± 6.5 | 0.23 |
Movement behaviours | ||||
 Physical activity – TPA (min/d) (M, SD) | 373.3 ± 71.3# | 376.7 ± 70.5 | 368.8 ± 72.3 | 0.39 |
 Physical activity – MVPA (min/d) (M, SD) | 102.5 ± 33.9# | 108.9 ± 36.0 | 94.1 ± 29.0 | <0.001 |
 Screen time (min/d) (M, SD) | 139.8 ± 83.4 | 144.3 ± 86.0 | 134.0 ± 79.8 | 0.34 |
 Sleep (hrs/d) (M, SD) | 10.5 ± 1.0 | 10.5 ± 1.0 | 10.5 ± 1.0 | 0.81 |
Social Cognition | ||||
 TEC* (M, SD) | 9.56 ± 2.87 | 9.78 ± 2.84 | 9.25 ± 2.89 | 0.17 |
 ToM (M, SD) | 2.30 ± 1.08 | 2.33 ± 1.06 | 2.23 ± 1.08 | 0.56 |