Table 1 Participant characteristics stratified by child’s sex
Boys (n = 256) | Girls (n = 283) | |||||
|---|---|---|---|---|---|---|
SD | 95%CI | SD | 95%CI | |||
% of sample | 48.7 | 3.2 | (42.5, 54.9) | 51.3 | 3.2 | (45.1, 57.5) |
Child’s age (mean) | 12.3 | 0.4 | (11.6, 13.0) | 11.4 | 0.5 | (10.5, 12.3) |
5 – 9 y (%) | 27.0 | 3.5 | (20.2, 35.1) | 37.9 | 4.8 | (28.4, 48.5) |
10 – 14 y (%) | 39.9 | 4.2 | (31.6, 48.8) | 38.3 | 4.4 | (29.6, 47.8) |
15 – 19 y (%) | 33.1 | 4.3 | (24.7, 42.6) | 23.8 | 3.7 | (16.5, 33.1) |
Mother’s age (mean) | 41.4 | 10.6 | (40.1, 42.7) | 40.1 | 11.2 | (38.8, 41.4) |
Father’s age (mean) | 43.4 | 10.6 | (42.1, 44.7) | 42.6 | 13.7 | (41.0, 44.2) |
Parent’s participation | ||||||
mother only % | 33.7 | 4.9 | (24.1, 43.2) | 39.3 | 5.6 | (28.4, 50.3) |
father only % | 15.4 | 3.9 | (7.8, 22.9) | 19.8 | 4.7 | (10.6, 28.9) |
both parents % | 51.0 | 5.3 | (40.7, 61.2) | 40.9 | 6.0 | (29.1, 52.7) |
Child’s steps/day (mean) | 12,037 | 6,449 | (11,247, 12,828) | 10,587 | 4,987 | (10,006, 11,168) |
5 – 9 y | 13,318 | 10,694 | (12,008, 14,627) | 11,390 | 7,562 | (10,509, 12,272) |
10 – 14 y | 12,627 | 7,902 | (11,659, 13,595) | 10,781 | 7,107 | (9,953, 11,609) |
15 – 19 y | 10,279 | 13,029 | (8,683, 11,874) | 8,999 | 11,029 | (7,714, 10,284) |
Mother’s steps/day (mean) by child’s age | 8,411 | 6,441 | (7,622, 9,200) | 8,215 | 6,763 | (7,427, 9,002) |
5 – 9 y | 8,732 | 8,686 | (7,668, 9,796) | 8,883 | 9,621 | (7,762, 10,003) |
10 – 14 y | 8,248 | 8,065 | (7,260, 9,237) | 7,980 | 9,647 | (6,856, 9,103) |
15 – 19 y | 8,351 | 12,678 | (6,798, 9,904) | 7,456 | 14,394 | (5,779, 9,134) |
Father’s steps/day (mean) by child’s age | 9,090 | 7,478 | (8,174, 10,006) | 8,759 | 8,660 | (7,750, 9,768) |
5 – 9 y | 8,313 | 7,951 | (7,339, 9,288) | 8,644 | 8,617 | (7,640, 9,647) |
10 – 14 y | 9,594 | 11,094 | (8,235, 10,953) | 9,339 | 14,488 | (7,651, 11,027) |
15 – 19 y | 9,183 | 15,273 | (7,312, 11,054) | 8,221 | 12,857 | (6,723, 9,718) |
Weight status | ||||||
healthy weight % | 72.6 | 5.1 | (62.6, 80.7) | 73.5 | 5.7 | (62.4, 82.2) |
overweight% | 19.7 | 3.4 | (13.1, 28.5) | 17.3 | 3.3 | (10.9, 26.4) |
obese % | 7.7 | 1.9 | (3.9, 14.7) | 9.2 | 2.3 | (4.6, 17.6) |
Television watching after school (mean minutes) | 42.8 | 62.9 | (35.1, 50.5) | 36.1 | 130.5 | (20.9. 43.3) |