Table 3.
Stratified relative risks for morbidity on days following and not following a NASRA
| Morbidity | % Days with NASRA last night | % Days without NASRA last night | Stratified Relative Risk (95% CI) | |
|---|---|---|---|---|
| Used albuterol | Overall | 58.9% (1175/1996) | 19.2% (14882/77476) | RR=2.4 (2.3,2.5) |
| During exacerbation | 67.6% (252/373) | 47.0% (1345/2862) | RR=1.7 (1.5,1.8) | |
| Outside exacerbation | 56.9% (923/1623) | 18.1% (13637/74614) | RR=2.3 (2.2,2.4) | |
| School Absence | Overall | 8.8% (176/1996) | 0.5% (351/77476) | RR=14.9 (12.1,18.4) |
| During exacerbation | 25.5% (95/373) | 4.3% (123/2862) | RR=5.5 (4.0,7.4) | |
| Outside exacerbation | 5.0% (81/1623) | 0.3% (228/74614) | RR=10.6 (7.8,14.4) | |
| Contacted Doctor for Asthma | Overall | 7.1% (141/1996) | 0.4% (300/77476) | RR=13.3 (10.5,16.7) |
| During exacerbation | 21.7% (81/373) | 4.3% (124/2862) | RR=4.9 (3.6,6.7) | |
| Outside exacerbation | 3.7% (60/1623) | 0.2% (177/74614) | RR=8.8 (6.1,12.5) | |
| Wheeze Score of 2 or 3 | Overall | 20.4% (407/1996) | 3.1% (2400/77476) | RR=58 (5.2,6.4) |
| During exacerbation | 36.2% (135/373) | 10.5% (301/2862) | RR=3.5 (2.9,4.2) | |
| Outside exacerbation | 16.8% (272/1623) | 2.8% (2099/74614) | RR=5.1 (4.5,5.8) | |
| Cough Score of 2 or 3 | Overall | 33.8% (675/1996) | 5.2% (4040/77476) | RR=6.0 (5.6,6.5) |
| During exacerbation | 61.7% (230/373) | 20.6% (590/2862) | RR=2.9 (2.6,3.3) | |
| Outside exacerbation | 27.4% (445/1623) | 4.6% (3450/74614) | RR=5.3 (4.8,4.9) |