Table 3.
Odds ratios and 95% confidence intervals of the medical utilization and respiratory failure in Groups II–IV, compared to Group I. Group I (no smoking cessation or influenza vaccination), Groups II (influenza vaccination only), Group III (smoking cessation only) and Group IV (both smoking cessation and influenza vaccination)
| Variable |
Emergency utilization
|
Hospital utilization
|
Respiratory failure
|
||||||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | p | OR | 95% CI | p | OR | 95% CI | p | |
| Group I (Ref.) | 1 | 1 | 1 | ||||||
| Group II | 0.32 | 0.11–0.42 | 0.000 | 0.29 | 0.15–0.55 | 0.000 | 0.38 | 0.20–0.75 | 0.005 |
| Group III | 0.30 | 0.17–0.53 | 0.000 | 0.28 | 0.19–0.60 | 0.000 | 0.24 | 0.13–0.47 | 0.000 |
| Group IV | 0.13 | 0.07–0.25 | 0.000 | 0.22 | 0.12–0.41 | 0.000 | 0.17 | 0.08–0.37 | 0.000 |