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Table 2 Basic characteristics of participants (%) by age group, sex and all subjects

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

 YearAge groups, yearsP-value**SexP-value***All
20–2425–2930–3435–3940–44WomenMen
Women1993/9451.749.651.353.653.40.372aaa51.7
2014/1555.456.468.5*62.6*65.1*0.031aaa62.2*
Non-smokers1993/9451.241.137.631.945.4<0.00154.629.2<0.00142.3
2014/1557.449.2*59.2*52.9*59.3*0.40463.8*42.6*<0.00155.7*
Ex-smokers1993/947.711.013.515.715.6<0.00111.212.70.26112.0
2014/1521.6*25.4*24.7*24.6*23.0*0.95020.9*29.0*0.00424.0*
Current-smokers1993/9441.247.948.952.438.90.34734.258.1<0.00145.7
2014/1521.0*25.4*16.2*22.5*17.7*0.27315.3*28.5*<0.00120.3*
  1. *p < 0.05 between surveys
  2. **Test for trend by age group
  3. ***Difference in prevalence between women and men
  4. aNot applicable