Boys | Girls | |
---|---|---|
“Current Asthma” (%, n, total) | (7.0, 160, 2295) | (7.2, 173, 2418) |
PA (all groups) (n) | 2323 | 2448 |
0 h/wk. (%, n) | 9.3, 216 | 11.2, 275 |
Crude OR (95% CI)a | 0.45 (0.20; 1.03)P = 0.060 | 0.81 (0.41; 1.57)P = 0.528 |
Adjusted OR (95% CI)b | 0.27 (0.12; 0.60)P = 0.002 | 0.56 (0.28; 1.14)P = 0.108 |
0.5 h/wk. (%, n) | 5.6, 129 | 6.3, 153 |
Crude OR (95% CI)a | 0.76 (0.33; 1.78)P = 0.529 | 0.52 (0.21; 1.32)P = 0.171 |
Adjusted OR (95% CI)b | 0.48 (0.20; 1.16)P = 0.102 | 0.32 (0.11; 0.94)P = 0.039 |
1 h/wk. (%, n) | 9.6, 223 | 15.6, 382 |
Crude OR (95% CI)a | 0.77 (0.40; 1.46)P = 0.417 | 0.63 (0.31; 1.27)P = 0.198 |
Adjusted OR (95% CI)b | 0.55 (0.28; 1.06)P = 0.073 | 0.52 (0.26; 1.01)P = 0.055 |
2–3 h/wk. (%, n) | 28.6, 664 | 33.5, 819 |
Crude OR (95% CI)a | 0.99 (0.62; 1.58)P = 0.981 | 0.91 (0.51; 1.63)P = 0.747 |
Adjusted OR (95% CI)b | 0.76 (0.46; 1.27)P = 0.299 | 0.82 (0.46; 1.46)P = 0.496 |
4–6 h/wk. (%, n) | 27.2, 631 | 22.4, 549 |
Crude OR (95% CI)a | 1.34 (0.83; 2.15)P = 0.231 | 0.85 (0.44; 1.64)P = 0.631 |
Adjusted OR (95% CI)b | 1.21 (0.72; 2.03)P = 0.479 | 0.77 (0.39; 1.51)P = 0.444 |
7+ h/wk. (%, n) | 19.8, 460 | 11.0, 270 |
Ref | 1.00 | 1.00 |
P linear trend | = 0.007 | = 0.229 |