From: Change in the symptom profile treated as asthma – two cross-sectional studies twenty years apart
Independent variables | Dependent variables (RR, 95% CI) | |
---|---|---|
Asthma medication use 1993/94 | Asthma medication use 2014/15 | |
Breathlessness while wheezing | 6.29 (1.67–23.70)** | 9.35 (2.19–40.03)** |
Wheeze without cold | 3.18 (0.97–10.36) | 3.66 (1.01–13.26)* |
Waking with chest tightness | 5.97 (1.56–22.90)** | 0.28 (0.11–0.69)** |
Woken by attack of breathlessness | 1.13 (0.40–3.18) | 3.57 (1.33–9.56)* |
Woken by attack of cough | 0.49 (0.19–1.26) | 2.29 (1.24–4.23)** |
Nasal allergies | 2.65 (1.05–6.69)* | 3.86 (1.40–10.68)** |
Age | 0.95 (0.89–1.02) | 0.94 (0.90–0.98)** |
Smoking history | 0.67 (0.40–1-13) | 0.52 (0.37–0.74)*** |