Table 3.
Factors Related to Remission of Asthma (% and Adjusted Odds Ratios (aOR))
| Remission Asthma | aOR (95% CI)¶ | ||||
|---|---|---|---|---|---|
| Yes | No | p-value | |||
| Sex | Female | 54.7 | 59.3 | 0.145 | – |
| Rhinitis | Allergic rhinitis 1990 or 2000 | 65.1 | 73.0 | 0.008 | 0.68 (0.51–0.90) |
| No rhinitis | 34.9 | 27.0 | 0.027 | 1 | |
| Persistent rhinitis | 13.8 | 12.4 | 0.86 (0.57–1.32) | ||
| Seasonal rhinitis | 25.8 | 31.8 | 0.63 (0.45–0.88) | ||
| Onset | Rhinitis onset age ≤12 years | 27.0 | 34.0 | 0.049 | 0.67 (0.47–0.95) |
| Asthma onset age ≤12 years | 15.3 | 26.2 | <0.0001 | 0.49 (0.35–0.68) | |
| Have or ever had | Ulcerative colitis | 1.1 | 3.2 | 0.034 | 0.39 (0.14–1.07) |
| Symptoms at any time the last 12 months | Wheezing or whistling in the chest | 60.4 | 82.2 | <0.0001 | 0.32 (0.24–0.44) |
| Woken up with a feeling of tightness in the chest | 30.1 | 47.1 | <0.0001 | 0.48 (0.36–0.63) | |
| Woken by an attack of shortness of breath | 13.4 | 23.1 | <0.0001 | 0.51 (0.35–0.73) | |
| Woken by an attack of coughing | 41.6 | 50.1 | 0.010 | 0.74 (0.56–0.97) | |
| Antibiotics | Treatment with antibiotics last 12 months for respiratory illness | 25.3 | 33.0 | 0.012 | 0.64 (0.47–0.87) |
| Heredity | None of biological parents with asthma | 77.3 | 69.3 | 0.003 | 1 |
| One biological parent with asthma | 22.5 | 28.5 | 0.71 (0.51–0.97) | ||
| Both biological parents with asthma | 0.3 | 2.3 | 0.10 (0.01–0.80) | ||
| Dwelling | Detached house | 39.2 | 46.0 | 0.048 | 1 |
| Semidetached or terrace house | 16.3 | 17.5 | 1.08 (0.74–1.59) | ||
| Apartment | 41.4 | 32.5 | 1.45 (1.06–1.98) | ||
| Other | 3.1 | 4.0 | 0.75 (0.35–1.64) | ||
Abbreviation: ¶aOR, adjusted for centre, age and sex.