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Table 3 Prevalence (%) of respiratory symptoms, attack of asthma, asthma medication use and smoking by age groups, sex and among 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
Breathlessness while wheezing1993/947.55.97.18.510.70.0527.67.80.8317.7
2014/156.94.16.69.77.50.2135.98.60.1076.9
Wheeze without cold1993/9413.111.911.915.011.60.96810.115.6<0.00112.7
2014/1511.05.6*7.88.7*11.90.3176.2*13.3<0.0018.9*
Waking with chest tightness1993/9411.111.613.914.419.8<0.00116.410.4<0.00113.5
2014/1512.511.99.116.218.10.03814.711.30.13413.5
Woken by attack of breathlessness1993/945.66.98.29.710.80.0018.86.70.0487.8
2014/158.39.36.511.413.70.0529.111.1*0.3139.8
Woken by attack of cough1993/9437.741.245.146.642.40.01144.239.60.02142.0
2014/1533.637.135.2*34.1*43.40.12940.131.6*0.00836.9*
Attack of asthma1993/942.21.61.11.72.70.8731.81.90.9271.9
2014/154.83.64.3*2.72.50.2132.84.7*0.1273.5*
Current asthma medication1993/940.90.70.40.50.60.4140.90.40.1800.7
2014/154.8*0.53.0*1.12.50.3951.93.1*0.2312.3*
Nasal allergies1993/9416.317.617.120.218.30.19917.018.40.37617.7
2014/1526.5*21.722.223.127.5*0.59725.5*21.60.17124.0*
Asthma-related symptoms1993/945.34.34.06.16.40.3764.65.60.2935.1
2014/157.13.24.26.46.40.6003.48.50.0015.3
Asthma-related disorder1993/942.21.81.12.22.70.7212.02.00.9582.0
2014/155.5*3.65.2*2.74.00.4613.7*5.0*0.3394.2*
  1. *p < 0.05 between surveys
  2. **Test for trend by age group
  3. ***Difference in prevalence between women and men