Table 4.
Independent risk factors for being hospitalised with pneumonia during July 2005 to December 2010 in participant with asthma (incidence risk ratio (IRR) (95% confidence interval))
| IRRa (95% CI) | |
|---|---|
| Women | 5.66 (1.26–25.3) |
| Age per 10 years | 1.13 (0.60–2.14) |
| BMI | |
| < 20 | 7.80 (2.31–26.3) |
| 20–25 | 1 |
| 25–30 | 1.83 (0.53–6.27) |
| > 30 | 2.27 (0.65–7.90) |
| Smoking | |
| Never | 1 |
| Ex | 0.42 (0.09–1.94) |
| Current | 1.73 (0.69–4.35) |
| Number of Symptoms | 1.41 (1.01–1.95) |
| ICS (years) | |
| 0 | 1 |
| 1–5 | 0.36 (0.09–1.40) |
| 6 | 2.48 (0.92–6.68) |
aAdjusted for all the variables in the table and centre