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Table 2 Net changes in prevalence of symptoms of asthma, diagnosed asthma and nasal allergy including rhinitis between 2001 and 2011

From: Changes in symptoms of asthma and rhinitis by sensitization status over ten years in a cohort of young Chilean adults

Respiratory outcome

N (%) in 2001

Net change per year % (95 % CI)a

Wheeze in the last 12 months

327 (27.4)

−0.34 (−0.71 to 0.02)

Ever had asthma

55 (4.6)

0.06 (−0.06 to 0.02)b

Doctor diagnosed asthma

49 (4.1)

0.15 (−0.004 to 0.30)c

Woken by shortness of breath in the last 12 months

165 (13.8)

0.25 (−0.06 to 0.57)

Nasal allergies including rhinitis in the last 12 months

200 (16.8)

0.82 (0.47 to 1.18)b

  1. aAdjusted for gender, age, BMI, smoking and atopy
  2. bBMI not controlled for due to non-convergence when included
  3. cBMI, age and smoking not controlled for due to non-convergence when included