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Table 2 Symptom triggers most frequently reported to require additional rescue medications

From: Environmental triggers of COPD symptoms: a cross sectional survey

Exposure/Activity

% (n) of those bothereda

95 % CIb

Wood smoke

24.6 (65)

(14.8, 36.9)

Air fresheners

21.7 (46)

(10.9, 36.4)

Perfume

21.5 (65)

(12.3, 33.5)

Vehicle exhaust

19.4 (67)

(10.8, 30.9)

Cleaning

18.5 (65)

(9.9, 30.0)

Barbeque

17.7 (34)

(6.8, 34.5)

Gas

17.6 (17)

(3.8, 43.4)

Household cleaners

17.4 (69)

(9.3, 28.4)

Markers

16.7 (18)

(3.6, 41.4)

Dusting

16.7 (60)

(8.3, 28.5)

Glue

16.2 (37)

(6.2, 32.0)

Vacuuming OR sweeping

18.8 (80)

(10.9, 29.0)

  1. aPercent of patients reporting that the activity (exposure, product) bothered their breathing who said they needed to take additional breathing medications following the activity
  2. bExact 95 % confidence interval for proportion