Skip to main content

Table 4 Association between self-reported attack of asthma and respiratory symptoms adjusted for age, smoking status and sex

From: Change in the symptom profile treated as asthma – two cross-sectional studies twenty years apart

Independent variablesDependent variables (RR, 95% CI)
Attack of asthma 1993/94Attack of asthma 2014/15
Breathlessness while wheezing3.42 (1.65–7.07)**5.02 (1.78–14.17)**
Wheeze without cold4.05 (2.02–8.10)***1.40 (0.57–3.45)
Waking with chest tightness3.36 (1.65–6.83)**0.84 (0.39–1.80)
Woken by attack of breathlessness0.92 (0.47–1.80)2.22 (1.06–4.64)*
Woken by attack of cough1.08 (0.61–1.90)1.75 (0.98–3.14)
Nasal allergies2.80 (1.57–4.98)***6.68 (2.67–16.67)***
Age0.98 (0.95–1.02)0.97 (0.94–1.00)
Smoking history0.77 (0.56–1.07)1.01 (0.72–1.40)
  1. All independent variables were added into the models all at once. Relative risk (RR) with 95% Confidence Intervals (CI). *p < 0.05, **p < 0.01, ***p < 0.001