Table 3: Age- and sex-standardized mortality and admission to hospital rates for unintentional nonfire-related carbon monoxide poisoning in Canada, by site of carbon monoxide exposure.
| Exposure site | Mortality |
Admission to hospital |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Rate* |
Total study period, 1981–2009 |
Rate* |
Total study period, 1995–2010 |
|||||||
| 1981 | 2009 | No. of events | Average annual rate* | AAPC (95% CI) | 1995 | 2010 | No. of events | Average annual rate* | AAPC (95% CI) | |
| Home/residential | 1.94 | 0.66 | 930 | 1.17 |
–5.09 (–6.46 to –3.68) |
2.65 | 1.59 | 942 | 1.82 | –2.51 (–5.32 to 0.34) |
| Occupational | 0.27 | 0.08 | 117 | 0.15 |
–6.48 (–10.37 to –2.39) |
1.22 | 0.17 | 264 | 0.52 |
–6.41 (–10.73 to –1.92) |
| Recreation/sports facility | 0.03 | 0.00 | 23 | 0.03 |
–13.07 (–19.38 to –6.29) |
0.10 | 0.03 | 19 | 0.04 |
–23.05 (–35.51 to –8.23) |
| Public area | 0.50 | 0.06 | 105 | 0.13 |
–10.10 (–17.01 to –2.60) |
0.17 | 0.08 | 54 | 0.11 |
–12.97 (–23.88 to –0.48) |
| Other/unknown | 0.36 | 0.14 | 633 | 0.21 | –3.80 (–8.48 to 1.23) |
1.33 | 0.66 | 705 | 0.82 | –2.52 (–6.01 to 1.10) |
Note: AAPC = average annual percent change, CI = confidence interval. Results that are statistically significantly different from zero are shown in boldface. *Rates are reported per million population.