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Table 1 Study population at risk (yearly)

From: Validation of an EMR algorithm to measure the prevalence of ADHD in the Canadian Primary Care Sentinel Surveillance Network (CPCSSN)

 

2008

2009

2010

2011

2012

2013

2014

2015

n

345,173

413,715

460,970

528,698

565,517

587,707

609,756

624,419

Age, %

 4–17 years

18.5

18.8

18.4

18.3

18.5

18.6

18.6

18.7

 18–34 years

25.6

25.9

26.1

26.4

26.6

26.8

26.8

26.8

 35–64 years

55.9

55.3

55.5

55.3

54.8

54.7

54.6

54.5

Gender, %

 male

42.0

42.4

42.9

43.0

43.1

43.1

43.3

43.6