TAI (in millions) | Prevalence sample | Case-control sample | |||||
---|---|---|---|---|---|---|---|
Sample (n) | Cases of wheeze (n (%)) | OR1-150 (95% CI) n=22803 | Sample (n) | Cases of wheeze (n) | Adjusted OR1-151 (95% CI) (n=5764) | ||
Continuous TAI | p=0.82 | p=0.70 | |||||
Per 10 unit increase | 22863 | 3450 (15.1) | 1.00 (0.99 to 1.02) | 6576 | 2648 | 1.00 (0.97 to 1.02) | |
Tertiles | p=0.015 | p=0.31 | |||||
Low ⩽21 | 7655 | 1086 (14.2) | 1 | 2252 | 864 | 1 | |
Medium 22–45 | 7872 | 1218 (15.5) | 1.11 (1.02 to 1.22) | 2268 | 923 | 1.08 (0.95 to 1.22) | |
High ⩾46 | 7336 | 1146 (15.6) | 1.13 (1.03 to 1.24) | 2056 | 861 | 1.11 (0.97 to 1.27) |