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Table 3 Amount, prescription rate per head of people with mental health condition, IRR of number of prescriptions in inner eastern Melbourne region, 2009–2014

From: Trends in GP prescribing of psychotropic medications among young patients aged 16–24 years: a case study analysis

Category

Number of prescriptions

Number of patients

IRR

95% CI

p-value

Year of visit

 2009

1791

4394

1 (ref)

  

 2010

1837

4353

1.04

0.93–1.15

0.490

 2011

1987

4230

1.15

1.04–1.27

0.009*

 2012

2037

4133

1.21

1.09–1.34

< 0.001*

 2013

2182

3977

1.35

1.21–1.49

< 0.001*

 2014

2100

3816

1.35

1.21–1.50

< 0.001*

aGender

 Male

3850

3328

1(ref)

  

 Female

8078

5774

1.15

1.08–1.22

< 0.001*

Age group

 16–17 years

1074

2455

1 (ref)

  

 18–20 years

3442

4093

1.58

1.43–1.75

< 0.001*

 21–24 years

7418

6617

1.93

1.75–2.11

< 0.001*

  1. a10 records with missing data were removed from analysis
  2. * p < 0.05 level