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Table 1 Demographic characteristics of the final sample

From: Predictors of inappropriate and excessive use of reliever medications in asthma: a 16-year population-based study

Variable

Value

Total sample size

343,520

Total person years

2,623,065

Person years with no asthma resource use a

638,075 (24.3%)

Average follow up years (SD)

7.64 (5.3)

Inappropriate use of SABA

190,364 (7.3%)

Excessive use of SABAs

24,017 (0.9%)

Asthma related death

122 (< 0.1%)

  1. SD standard deviation
  2. aThese periods were removed from the main analysis but were investigated in a sensitivity analysis