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Table 1 Characteristics of study population (n = 26,776)

From: Adverse drug reactions due to opioid analgesic use in New South Wales, Australia: a spatial-temporal analysis

  Number (%)
Opioid-related ADRs by Year
 2004–05 1215 (4.5)
 2005–06 1464 (5.5)
 2006–07 1756 (6.6)
 2007–08 1774 (6.6)
 2008–09 2194 (8.2)
 V2009–10 2697 (10.1)
 2010–11 3242 (12.1)
 2011–12 3681 (13.7)
 2012–13 4068 (15.2)
 2013–14 4685 (17.5)
Age (years) of people involved in Opioid-related ADRs
  < 18 614 (2.3)
 18–44 4012 (15.0)
 45–64 5348 (20.0)
 65–84 11,388 (42.5)
 85+ 5414 (20.2)
Gender
 Male 10,889 (40.7)
 Female 15,887 (59.3)
Marital status
 Single 13,826 (51.6)
 Others 12,950 (48.4)
Private Insurance
 Yes 7754 (29.0)
 No 19,022 (71.0)
Socioeconomic disadvantage
 Most (1st quintile) 5966 (22.3)
 Others (2nd to 5th quintile) 20,810 (77.7)
Rurality of residence
 Urban 25,282 (94.4)
 Rural 1494 (5.6)
Convenient access to pharmacy
 More 24,087 (90.0)
 Less 2689 (10.0)
Severity of comorbidities
 Minor 15,835 (59.1)
 Moderate 5845 (21.8)
 Severe 5096 (19.0)
Disposition status
 Alive 25,735 (96.1)
 Dead 1041 (3.9)