Change (%) in asthma medications prescribing by age group
| 2001–2002 | 2005–2006 | p-value | |
| LABA | |||
| 0–4 | 2.5 | 3.8 | NS |
| 5–11 | 10.1 | 16.8 | <0.001 |
| 12–18 | 11.1 | 14.7 | <0.001 |
| LTRA | |||
| 0–4 | 2.8 | 8.4 | <0.001 |
| 5–11 | 3.3 | 7.3 | <0.001 |
| 12–18 | 2.8 | 3.8 | NS |
| OCS | |||
| 0–4 | 9.0 | 16.0 | <0.001 |
| 5–11 | 6.7 | 9.6 | <0.01 |
| 12–18 | 5.3 | 6.5 | NS |