Variables associated with emergency department visits for those at risk of an emergency department visit
| Variable | RR (95% CI) | p-value |
| Emergency department visits in prior 12 months | 1.14 (1.11–1.16) | <0.0001 |
| Intervention arm | 0.80 (0.68–0.95) | 0.01 |
| Age | 0.99 (0.98–1.00) | 0.04 |
| Male | 0.98 (0.83–1.15) | 0.78 |
| Not married | 1.06 (0.90–1.26) | 0.48 |
| Active smoker | 1.01 (0.83–1.24) | 0.90 |
| Education less than high school diploma | 0.93 (0.79–1.09) | 0.35 |
| Number of baseline co-morbidities | 0.96 (0.88–1.04) | 0.28 |
| Up-to-date action plan at baseline | 1.10 (0.63–1.93) | 0.74 |
| Home oxygen at baseline | 1.03 (0.86–1.24) | 0.73 |
| Steroids at baseline | 0.93 (0.71–1.23) | 0.63 |