Variable | Level | All available data1 | Mutually adjusted model1 | ||||||
---|---|---|---|---|---|---|---|---|---|
 |  | N | Difference in CPM (95% CI) | p2 | N | Difference in CPM (95% CI) | p2 | ||
SES | High | 558 | ref | Â | Â | Â | Â | Â | Â |
 | Medium | 530 | -4 | (-15, 7) | 0.42 |  |  |  |  |
 | Low | 953 | 2 | (-8, 12) | 0.67 |  |  |  |  |
N parents | 2 | 1423 | ref | Â | Â | 1222 | ref | Â | Â |
 | <2 | 432 | 12 | (2, 22) | 0.02 | 375 | 8 | (-3, 19) | 0.18 |
N siblings | Score 0-3+ | 1855 | 1 | (-4, 5) | 0.74 | Â | Â | Â | Â |
Household density | Continuous | 1835 | -5 | (-11, 1) | 0.12 | Â | Â | Â | Â |
Family PA encouragement | Low | 659 | ref | Â | Â | Â | Â | Â | Â |
 | High | 1108 | 8 | (-1, 16) | 0.10 |  |  |  |  |
Family PA support | Score 0-3 | 1805 | 6 | (1, 10) | 0.01 | 1597 | 6 | (1, 10) | 0.01 |
Car ownership | No | 507 | ref | Â | Â | 383 | ref | Â | Â |
 | Yes | 1544 | -22 | (-31, -13) | <0.0001 | 1214 | -19 | (-30, -8) | <0.001 |
Garden at home | No | 557 | ref | Â | Â | Â | Â | Â | Â |
 | Yes | 1504 | 0 | (-9, 10) | 0.94 |  |  |  |  |
Cable TV at home | No | 588 | ref | Â | Â | Â | Â | Â | Â |
 | Yes | 1458 | 3 | (-6, 12) | 0.51 |  |  |  |  |
Internet access at home | No | 708 | ref | Â | Â | 511 | ref | Â | Â |
 | Yes | 1354 | -12 | (-20, -3) | 0.006 | 1086 | -10 | (-19, 0) | 0.06 |
Pets at home | No | 1326 | ref | Â | Â | 1039 | ref | Â | Â |
 | Yes | 679 | 13 | (4, 22) | 0.01 | 558 | 13 | (3, 23) | 0.01 |