Table 2.
Mean measures of AQHI and asthma outcomes by year, age, season, and region.
| Covariate | AQHI (mean ± SD) | Annual asthma incidence and prevalence ratea | Annual asthma health services use rateb | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outpatient visits | ED visits | Hospital admissions | ||||||||||
| Incidencec | Prevalenced | |||||||||||
| Year | ||||||||||||
| 2003 | 3.87 ± 1.37 | 7.11 | 122.60 | 622.90 | 41.71 | 5.41 | ||||||
| 2004 | 3.64 ± 1.18 | 6.84 | 124.80 | 577.20 | 38.95 | 5.11 | ||||||
| 2005 | 3.83 ± 1.40 | 7.03 | 128.20 | 563.80 | 39.10 | 5.38 | ||||||
| 2006 | 3.34 ± 1.12 | 6.65 | 131.20 | 524.00 | 35.22 | 4.14 | ||||||
| 2003–2006 | 3.66 ± 1.29 | 6.91 | 126.70 | 572.00 | 38.75 | 5.01 | ||||||
| Age group | ||||||||||||
| 0–4 | NA | 41.72 | 114.86 | 1759.06 | 174.96 | 42.08 | ||||||
| 5–9 | NA | 13.54 | 217.56 | 622.64 | 44.34 | 6.63 | ||||||
| 10–19 | NA | 5.67 | 224.10 | 315.00 | 23.37 | 1.67 | ||||||
| 20–59 | NA | 3.90 | 100.42 | 526.68 | 34.56 | 2.74 | ||||||
| ≥ 60 | NA | 4.88 | 110.17 | 693.54 | 27.28 | 3.84 | ||||||
| Season | ||||||||||||
| Spring (Mar–May) | 3.95 ± 1.17 | 7.20 | 126.08 | 591.08 | 40.42 | 5.20 | ||||||
| Summer (Jun–Aug) | 4.07 ± 1.43 | 5.47 | 126.88 | 486.52 | 29.71 | 3.30 | ||||||
| Fall (Sep–Nov) | 3.18 ± 1.19 | 7.59 | 127.38 | 628.57 | 45.92 | 6.67 | ||||||
| Winter (Dec–Feb) | 3.45 ± 1.14 | 7.38 | 126.51 | 581.20 | 38.80 | 4.85 | ||||||
| Region | ||||||||||||
| North | 3.30 ± 1.17 | 5.81 | 121.69 | 534.71 | 56.16 | 6.92 | ||||||
| South | 3.74 ± 1.43 | 5.70 | 113.82 | 514.78 | 37.43 | 6.10 | ||||||
| Central | 3.94 ± 1.19 | 7.91 | 130.10 | 622.76 | 29.70 | 4.59 | ||||||
| East | 3.47 ± 1.14 | 7.21 | 137.80 | 561.24 | 43.75 | 4.13 | ||||||
| West | 3.77 ± 1.14 | 5.74 | 114.45 | 529.24 | 45.73 | 5.77 | ||||||
| NA, not applicable. Data stratified by age group, season, and region are based on data averaged from 2003–2006. aPer 1,000 individuals. bPer 1,000 residents with asthma (population includes all Ontario residents in the OASIS database). cNumber of new cases identified each day not known prior to that day. dSum of current and new cases. | ||||||||||||