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Table 2 ADHD Prevalence for different age group, year and gender

From: Challenges in defining the rates of ADHD diagnosis and treatment: trends over the last decade

Year

Percentage of 5-8 year old -female EDC (99% CI)

Percentage of 5-8 year old male EDC (99% CI)

Percentage of 9-12 year old -female EDC (99% CI)

Percentage of 9-12 year old – male EDC (99% CI)

Percentage of 13-17 year old - female EDC (99% CI)

Percentage of 13-17 year old - male EDC (99% CI)

2005

2.08 (1.9-2.2)

5.74 (5.5-6.0)

4.72 (4.5-4.9)

13.08 (12.7-13.4)

3.95 (3.75-4.15)

11.41 (11.1-11.7)

2006

2.20

5.82

5.49

14.19

5.15

13.72

2007

2.41

5.88

6.18

15.12

6.08

15.42

2008

2.72

5.99

6.81

15.94

7.25

17.45

2009

2.87

6.39

7.70

16.61

8.47

19.53

2010

3.23

7.22

8.59

17.47

10.09

21.11

2011

3.54

7.77

9.62

18.52

11.66

22.76

2012

3.58

7.62

10.74

19.99

13.29

24.75

2013

3.50

7.52

11.08

20.30

14.63

25.15

2014

*3.27 (3.1-3.4)

*6.98 (6.75-7.2)

*11.40 (11.1-11.7)

*20.84 (20.5-21.2)

*15.69 (15.4-16)

*25.82 (25.45-26.1)

  1. EDC Estimated Definitive Cohort, CI Confidence Interval
  2. *P < 0.01