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Table 5 Risk of asthma symptoms and nasal allergies in 2011 by combined sensitization status at baseline (2001)

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

Allergic status in 2001 (positive SPT) Symptoms reported in 2011 (n) OR 95 % CIa
Wheeze in the last 12 months (n = 182) Ever had asthma (n = 48) Woken by shortness of breath in the last 12 months (n = 131) Nasal allergies including rhinitis (n = 205)
Unadjusted Adjusted Unadjusted Adjusted Unadjusted Adjusted Unadjusted Adjusted
Sensitized to at least 1 allergen (n = 316) 1.96 (1.36–2.82) 1.73 (1.17–2.55) 2.84 (1.54–5.24) 3.28 (1.43–7.53) 1.52 (1.00–2.29) 1.47 (0.96–2.25) 3.34 (2.36–4.74) 3.32 (2.30–4.80)
Sensitized to 1 allergen (any) 1.36 (0.87–2.13) 1.27 (0.79–2.05) 1.56 (0.71–3.45) 1.84 (0.70–4.83) 0.92 (0.54–1.57) 0.88 (0.52–1.48) 2.44 (1.60–3.71) 2.56 (1.64–4.02)
Sensitized to 2 allergens 2.29 (1.24–4.21) 2.23 (1.15–4.32) 1.63 (0.53–5.00) 1.83 (0.41–8.22) 1.27 (0.61–2.67) 1.38 (0.64–2.95) 5.01 (2.78–9.06) 5.32 (2.81–10.10)
Sensitized to 3+ allergens 1.62 (0.94–2.79) 1.45 (0.81–2.60) 4.10 (1.88–8.89) 3.74 (1.22–11.46) 1.45 (0.79–2.64) 1.55 (0.85–2.83) 3.52 (2.11–5.87) 3.67 (2.08–6.47)
  1. aAdjusted by age, gender, smoking status, BMI, years of school, and for the same symptom in 2001
  2. Those who were negative to the eight allergens formed the reference group