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Table 2 Total counts (n), crude mortality ratesa, 95% confidence intervals, and average annual percent change (AAPC) for substance poisoning deaths by sex and type (single substance versus polysubstance) in Canada, 2014 – 2017

From: Polysubstance use poisoning deaths in Canada: an analysis of trends from 2014 to 2017 using mortality data

 

2014

2015

2016

2017

AAPC (%)

Polysubstance

 Both sexes

  n

868

1052

1477

2352

 

  Rate

2.45

2.95

4.09

6.44

40.5*

  95 % CI

(2.29, 2.61)

(2.77, 3.13)

(3.88, 4.30)

(6.18, 6.70)

(17.5, 67.9)

 Males

  n

583

750

1045

1776

 

  Rate

3.32

4.23

5.83

9.80

45.9*

  95 % CI

(3.05, 3.58)

(3.93, 4.54)

(5.48, 6.19)

(9.35, 10.26)

(20.2, 77.1)

 Females

  n

285

302

432

576

 

  Rate

1.60

1.68

2.38

3.13

27.6*

  95 % CI

(1.41, 1.78)

(1.49, 1.87)

(2.15, 2.60)

(2.87, 3.38)

(7.9, 50.8)

Single substance

 Both sexes

  n

1413

1346

1541

1860

 

  Rate

3.99

3.77

4.27

5.10

9.3

  95 % CI

(3.78, 4.19)

(3.57, 3.97)

(4.06, 4.48)

(4.86, 5.33)

(-6.5, 27.9)

 Males

  n

945

912

1088

1338

 

  Rate

5.37

5.15

6.07

7.39

12.3

  95 % CI

(5.03, 5.72)

(4.82, 5.48)

(5.71, 7.77)

(6.99, 7.78)

(-4.5, 32.1)

 Females

  n

468

433

453

522

 

  Rate

2.62

2.41

2.49

2.84

2.9

  95 % CI

(2.38, 2.86)

(2.18, 2.64)

(2.26, 2.72)

(3.08, 2.59)

(-10.7, 18.6)

  1. a Rates are deaths per 100,000 population.
  2. * Indicates a significant increasing trend from 2014 to 2017, p<0.05.