Poisson regression analysis of asthma mortality by ethnicity controlling for sex and age, Singapore, 1989–95
| Mortality ratio (95% CI) | χ2 (1 df) | p value | |
|---|---|---|---|
| Sex | |||
| Female | 1.00 | ||
| Male | 1.31 (14 to 1.49) | 15.19 | 0.0001 |
| Age | |||
| 5–14 | 1.00 | — | — |
| 15–34 | 2.36 (1.31 to 4.26) | 8.19 | 0.0042 |
| 35–59 | 10.67 (6.11 to 18.62) | 69.42 | 0.0001 |
| 60+ | 94.51 (54.49 to 163.90) | 262.30 | 0.0001 |
| Ethnicity | |||
| Chinese | 1.00 | — | — |
| Malay | 3.32 (2.86 to 3.84) | 253.73 | 0.0001 |
| Indian | 1.76 (1.42 to 2.20) | 25.67 | 0.0001 |