Table 3 Baseline characteristics of the 1,407,060 women in the study population who lived in Ontario’s metropolitan areas for the study period April 1, 2010-March 31, 2012 by age group

N

113,234

586,325

38681

70,098

573,725

24,997

Mean age (SD)

55.09 ± 2.25

55.41 ± 2.29

55.13 ± 2.25

<.001

63.92 ± 2.83

64.14 ± 2.81

63.93 ± 2.81

<.001

1

28,275 (25.0 %)

91,910 (15.7 %)

7,360 (19.0 %)

<.001

18,511 (26.4 %)

93,618 (16.3 %)

4,864 (19.5 %)

<.001

2

26,111 (23.1 %)

108,645 (18.5 %)

7,242 (18.7 %)

16,365 (23.3 %)

108,803 (19.0 %)

4,700 (18.8 %)

3

23,477 (20.7 %)

115,145 (19.6 %)

7,369 (19.1 %)

14,531 (20.7 %)

111,875 (19.5 %)

4,849 (19.4 %)

4

20,729 (18.3 %)

128,266 (21.9 %)

8,021 (20.7 %)

12,254 (17.5 %)

122,618 (21.4 %)

5,175 (20.7 %)

5 (highest)

14,417 (12.7 %)

140,152 (23.9 %)

8,515 (22.0 %)

8,305 (11.8 %)

134,787 (23.5 %)

5,293 (21.2 %)

Missing

225 (0.2 %)

2,207 (0.4 %)

174 (0.4 %)

132 (0.2 %)

2,024 (0.4 %)

116 (0.5 %)

0–1

9,497 (8.4 %)

48,454 (8.3 %)

4,932 (12.8 %)

<.001

5,486 (7.8 %)

32,847 (5.7 %)

3,000 (12.0 %)

<.001

2

12,925 (11.4 %)

78,814 (13.4 %)

5,014 (13.0 %)

6,372 (9.1 %)

57,185 (10.0 %)

2,503 (10.0 %)

3

70,280 (62.1 %)

345,365 (58.9 %)

21,848 (56.5 %)

42,726 (61.0 %)

337,310 (58.8 %)

13,843 (55.4 %)

4+

20,532 (18.1 %)

113,692 (19.4 %)

6,887 (17.8 %)

15,514 (22.1 %)

146,383 (25.5 %)

5,651 (22.6 %)

Mean ± SD

5.99 ± 3.48

5.76 ± 3.50

5.49 ± 3.65

<.001

6.19 ± 3.63

6.33 ± 3.62

5.84 ± 3.84

<.001

Median (IQR)

6 (3–8)

5 (3–8)

5 (3–8)

<.001

6 (4–9)

6 (4–9)

6 (3–8)

<.001

0

6,643 (5.8 %)

26,788 (4.4 %)

3,733 (9.4 %)

<.001

4,401 (6.3 %)

19,600 (3.4 %)

2,456 (9.8 %)

<.001

1–5

46,562 (40.3 %)

277,514 (46.1 %)

16,922 (42.8 %)

27,045 (38.6 %)

236,864 (41.3 %)

9,695 (38.8 %)

6–9

43,307 (37.5 %)

206,960 (34.4 %)

13,058 (33.0 %)

25,690 (36.6 %)

208,421 (36.3 %)

8,549 (34.2 %)

10+

18,985 (16.4 %)

90,955 (15.1 %)

5,802 (14.7 %)

12,962 (18.5 %)

108,840 (19.0 %)

4,297 (17.2 %)

Yes

66,273 (58.5 %)

309,149 (52.7 %)

19,684 (50.9 %)

39,102 (55.8 %)

305,656 (53.3 %)

12,450 (49.8 %)

<.001

Mean ± SD

5.07 ± 4.99

4.09 ± 5.14

4.08 ± 5.08

<.001

5.65 ± 5.22

4.54 ± 4.82

4.28 ± 4.93

<.001

Median (IQR)

4 (2–7)

3 (1–5)

3 (1–6)

<.001

5 (2–8)

3 (2–6)

3 (1–6)

<.001

FHG/CCM

62,820 (55.5 %)

186,247 (31.8 %)

15,594 (40.3 %)

<.001

40,367 (57.6 %)

179,728 (31.3 %)

9,374 (37.5 %)

<.001

FHN

64 (0.1 %)

4,027 (0.7 %)

94 (0.2 %)

43 (0.1 %)

3,959 (0.7 %)

81 (0.3 %)

FHO

25,369 (22.4 %)

188,473 (32.1 %)

10,143 (26.2 %)

14,695 (21.0 %)

187,145 (32.6 %)

6,904 (27.6 %)

FHT

8,136 (7.2 %)

134,474 (22.9 %)

5,809 (15.0 %)

4,332 (6.2 %)

133,297 (23.2 %)

4,082 (16.3 %)

No-Care

4,757 (4.2 %)

21,964 (3.7 %)

3,186 (8.2 %)

3,057 (4.4 %)

18,868 (3.3 %)

2,175 (8.7 %)

No-Group

11,510 (10.2 %)

36,318 (6.2 %)

3,160 (8.2 %)

7,212 (10.3 %)

36,249 (6.3 %)

1,887 (7.5 %)

Other

578 (0.5 %)

14,822 (2.5 %)

695 (1.8 %)

392 (0.6 %)

14,479 (2.5 %)

494 (2.0 %)

Female

42,281 (37.3 %)

233,124 (39.8 %)

15,633 (40.4 %)

24,281 (34.6 %)

209,758 (36.6 %)

9,388 (37.6 %)

<.001

Male

65,832 (58.1 %)

326,954 (55.8 %)

19,504 (50.4 %)

42,577 (60.7 %)

340,791 (59.4 %)

13,202 (52.8 %)

Domestic

59,139 (52.2 %)

469,827 (80.1 %)

24,896 (64.4 %)

<.001

33,830 (48.3 %)

458,160 (79.9 %)

16,314 (65.3 %)

<.001

International

48,779 (43.1 %)

89,374 (15.2 %)

10,118 (26.2 %)

32,893 (46.9 %)

91,453 (15.9 %)

6,192 (24.8 %)