Table 1 Socio-demographics for T1, T2 and Statistics Canada national household survey samples. Test of proportions and effect size between T1 to T2 and T1 to Statistics Canada sample

 Alberta

319

10.2

144

10.1

265110

11.3

χ²  < 0.01

p = 0.92

h  < 0.01

χ² = 3.73

p = 0.05

h = -0.04

 British Columbia

332

10.7

130

9.1

297400

12.7

χ² = 2.38

p = 0.12

h = 0.05

χ² = 11.93

p < 0.001

h = -0.07

 Manitoba

120

3.8

53

3.7

89070

3.8

χ² = 0.02

p = 0.90

h  < 0.01

χ² < 0.01

p = 0.95

h < 0.01

 New Brunswick

90

2.9

36

2.5

49715

2.1

χ² = 0.36

p = 0.55

h = 0.02

χ² = 8.25

p < 0.01

h = 0.05

 Newfoundland and Labrador

64

2.1

20

1.4

34210

1.5

χ² = 1.95

p = 0.16

h = 0.05

χ² = 7.07

p < 0.01

h = 0.05

 Nova Scotia

138

4.4

50

3.5

61005

2.6

χ² = 1.88

p = 0.17

h = 0.05

χ² = 39.62

p < 0.001

h = 0.10

 Ontario

926

29.7

400

28.0

938750

40.2

χ² = 1.25

p = 0.26

h = 0.04

χ² = 141.71

p < 0.001

h = -0.22

 Prince Edward Island

26

0.8

7

0.5

10375

0.4

χ² = 1.16

p = 0.28

h = 0.04

χ² = 9.83

p < 0.01

h = 0.05

 Quebec

1020

32.7

566

39.7

506640

21.7

χ² = 20.44

p  < 0.001

h = -0.14

χ² = 222.49

p < 0.001

h = 0.25

 Saskatchewan

82

2.6

21

1.5

74840

3.2

χ² = 5.42

p = 0.02

h = 0.08

χ² = 3.11

p = 0.08

h = -0.03

 Bilingual

55

1.8

32

1.5

34560

2.2

χ² = 0.95

p = 0.33

h = -0.03

χ² = 1.55

p = 0.21

h = 0.02

 English

1839

59

756

53

1238705

53.0

χ² = 14.24

p  < 0.001

h = 0.12

χ² = 44.38

p < 0.001

h = 0.12

 French

1030

33

560

39.2

432220

18.5

χ² = 16.26

p  < 0.001

h = -0.13

χ² = 435.30

p < 0.001

h = 0.34

 Other

191

6.1

78

5.5

630630

27.0

χ² = 0.66

p = 0.42

h = 0.03

χ² = 687.17

p < 0.001

h = -0.59

 Male

998

32.0

460

32.2

1075200

46.0

χ² = 0.01

p = 0.91

h  < -0.01

χ² = 245.30

p < 0.001

h = -0.29

 Female

2119

68.0

967

67.8

1260910

54.0

χ² = 0.01

p = 0.91

h  < 0.01

χ² = 245.31

p < 0.001

h = 0.29

 Elementary or High School

680

21.8

301

21.1

773935

33.1

χ² = 0.26

p = 0.61

h = 0.02

χ² = 179.37

p < 0.001

h = -0.25

 College

1180

37.9

518

36.3

945980

40.5

χ² = 0.95

p = 0.33

h = 0.03

χ² = 8.87

p < 0.01

h = -0.05

 University

1250

40.1

607

42.5

616200

26.4

χ² = 2.30

p = 0.13

h = -0.05

χ² = 301.14

p < 0.001

h = 0.29

 Single

228

7.3

107

7.5

109045

4.7

χ² = 0.03

p = 0.87

h < -0.01

χ² = 48.38

p < 0.001

h = 0.11

 Married or Common Law

2545

81.6

1173

82.2

2030060

86.9

χ² = 0.16

p = 0.68

h = -0.01

χ² = 74.87

p < 0.001

h = -0.14

 Separated/Divorced

339

10.9

145

10.2

197005

8.4

χ² = 0.45

p = 0.50

h = 0.02

χ² = 23.73

p < 0.001

h = 0.08

 Working full-time

2064

66.2

943

66.1

1245090

53.3

χ²  < 0.01

p = 0.96

h  < 0.01

χ² = 208.25

p < 0.001

h = 0.26

 Working part-time

470

15.1

215

15.1

753585

32.3

χ² = 0

p = 1

h  < 0.01

χ² = 419.79

p < 0.001

h = -0.41

 Not working/Retired/Other

570

18.3

264

18.5

337445

14.4

χ² = 0.02

p = 0.90

h  < -0.01

χ² = 36.86

p < 0.001

h = 0.10

 $39 999 or less

395

12.7

173

12.1

344940

14.8

χ² = 0.22

p = 0.64

h = 0.02

χ² = 10.67

p < 0.001

h = -0.06

 between $40 000 and $59 999

428

13.7

187

13.1

332650

14.2

χ² = 0.28

p = 0.60

h = 0.02

χ² = 0.62

p = 0.43

h = -0.01

 between $60 000 and $79 999

468

15.0

221

15.5

338000

14.5

χ² = 0.14

p = 0.71

h = -0.01

χ² = 0.71

p = 0.40

h = 0.02

 between $80 000 and $99 999

511

16.4

237

16.6

323935

13.9

χ² = 0.02

p = 0.89

h < -0.01

χ² = 16.44

p < 0.001

h = 0.07

 $100 000 or more

1009

32.4

459

32.2

996590

42.7

χ² = 0.01

p = 0.92

h < 0.01

χ² = 134.32

p < 0.001

h = -0.21

 Born in Canada

2717

87.2

1263

88.5

1617475

69.2

χ² = 1.50

p = 0.22

h = -0.04

χ² = 469.17

p < 0.001

h = 0.44

 Not born in Canada

397

12.7

164

11.5

718635

30.8

χ² = 1.28

p = 0.26

h = 0.04

χ² = 474.22

p < 0.001

h = -0.45

 White (e.g., Caucasian, European)

2741

87.9

1280

89.7

1686435

72.2

χ² = 2.81

p = 0.09

h = -0.06

χ² = 383.89

p < 0.001

h = 0.40

 East Asian (e.g., Chinese, Filipino, Japanese, Korean, Vietnamese)

119

3.8

49

3.4

203295

8.7

χ² = 0.30

p = 0.58

h = 0.02

χ² = 92.93

p < 0.001

h = 0.21

 Other Ethnicities

231

7.4

84

5.9

446385

19.1

χ² = 3.29

p = 0.07

h = 0.06

χ² = 274.96

p < 0.001

h = -0.35

 Christian

1898

60.9

881

61.7

1578295

67.6

χ² = 0.26

p = 0.61

h = -0.02

χ² = 62.85

p < 0.001

h = -0.14

 No Faith

984

31.6

444

31.1

485885

20.8

χ² = 0.07

p = 0.79

h  < 0.001

χ² = 218.42

p < 0.001

h = 0.25

 Other Faiths

170

5.5

74

5.2

271935

11.6

χ² = 0.09

p = 0.76

h = 0.01

χ² = 115.30

p < 0.001

h = -0.22