Table 1 Behaviours reported by school children by gender mean (SD) or n (%)
| Â | Â | Total n | Total | Girls | Boys | p-valuea |
|---|---|---|---|---|---|---|
Sleep | % meeting sleep guidelines c | 828 | 611 (74%) | 307 (74%) | 304 (73%) | .724 |
Weekday sleep (hrs/night) b | 830 | 9.0 (1.2) | 9.1 (1.1) | 9.0 (1.3) | .525 | |
Weekend sleep (hrs/night) b | 828 | 9.7 (1.4) | 9.8 (1.2) | 9.6 (1.5) | .058 | |
Weekday bedtime ≥23:00 | 830 | 101 (12%) | 51 (12%) | 50 (12%) | .915 | |
Weekend bedtime ≥23:00 | 829 | 258 (31%) | 138 (33%) | 120 (29%) | .185 | |
% poor sleeper | 829 | 83 (10%) | 30 (7%) | 53 (13%) | .052 | |
Physical Activity | % meeting guidelines d | 840 | 174 (21%) | 60 (14%) | 114 (27%) | <.001 |
Days getting 60 min MVPA | 840 | 4.3 (2.1) | 4.0 (2.0) | 4.6 (2.2) | <.001 | |
Unorganized play (hrs/day) | 837 | 1.7 (2.0) | 1.5 (1.8) | 1.9 (2.3) | <.001 | |
% participating in sport | 838 | 769 (92%) | 380 (91%) | 389 (93%) | .258 | |
Sedentary Behaviours | % meeting screen time guidelines e | 832 | 95 (11%) | 59 (14%) | 36 (9%) | .018 |
Leisure screen behaviours (hrs/day) | 832 | 12.1 (15.4) | 10.0 (11.1) | 14.2(18.5) | <.001 | |
Total sedentary behaviours (hrs/day) | 832 | 21.4 (19.8) | 19.9 (15.1) | 23.0 (23.6) | .395 | |
Academic scores | Average Academic Index | 933 | 67.1 (11.3) | 68.6 (10.8) | 65.6 (11.5) | <.001 |
Maths | 925 | 58.3 (19.7) | 57.0 (19.0) | 59.5 (20.1) | .057 | |
English | 864 | 70.0 (9.8) | 73.0 (9.1) | 67.3 (9.6) | <.001 | |
% meeting all 3 guidelines | 824 | 17 (2%) | 6 (1%) | 11 (3%) | .217 | |
% meeting at least 2/3 guidelines | 824 | 188 (23%) | 84 (20%) | 104 (25%) | .039 | |