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Table 2 Age-standardized mortality rates as a function of socioeconomic status, the CHAMP study

From: Socioeconomic status, health-related behaviours, and death among older people: the Concord health and aging in men project prospective cohort study

 

All-cause mortality

Cause-specific mortality

 

Person years of follow-up b

n

Rate c (95% CI)

Person years of follow-up d

CVD Mortality

Cancer Mortality

Other Mortality a

n

Rate c (95% CI)

n

Rate c (95% CI)

n

Rate c (95% CI)

Overall (n = 1527)

13,814

783

55.3 (51.4 to 59.1)

12,180

197

16.6 (14.3 to 18.9)

215

15.7 (13.6 to 17.8)

218

18.0 (15.6 to 20.5)

Education

 High (n = 185)

1808

80

41.2 (32.1 to 50.2)

1580

16

9.3 (4.8 to 13.9)

22

11.9 (6.9 to 16.9)

21

13.4 (7.7 to 19.2)

 Intermediate (n = 654)

5969

336

57.6 (51.4 to 63.7)

5264

75

15.2 (11.7 to 18.6)

96

17.1 (13.7 to 20.6)

93

20.0 (15.9 to 24.0)

 Low (n = 688)

6038

367

58.4 (52.4 to 64.4)

5336

106

20.2 (16.3 to 24.0)

97

15.9 (12.8 to 19.1)

104

18.5 (14.9 to 22.0)

Occupational position

 High (n = 464)

4342

223

46.3 (40.2 to 52.3)

3811

51

12.5 (9.0 to 15.9)

57

13.8 (10.2 to 17.4)

62

14.5 (10.9 to 18.1)

 Intermediate (n = 578)

5111

307

60.1 (53.4 to 66.8)

4513

80

19.7 (15.4 to 24.0)

83

16.1 (12.6 to 19.6)

88

20.2 (16.0 to 24.4)

 Low (n = 485)

4362

253

61.3 (53.7 to 68.8)

3856

66

17.8 (13.5 to 22.0)

75

17.5 (13.6 to 21.5)

68

20.3 (15.5 to 25.2)

Source of Income

 High (n = 686)

6457

315

48.4 (43.0 to 53.7)

5644

86

16.1 (12.7 to 19.5)

79

12.8 (10.0 to 15.7)

81

14.0 (11.0 to 17.1)

 Intermediate (n = 255)

2236

147

63.0 (52.8 to 73.2)

1994

37

17.5 (11.9 to 23.2)

37

16.3 (11.0 to 21.5)

39

19.9 (13.7 to 26.2)

 Low (n = 586)

5121

321

60.5 (53.8 to 67.1)

4542

74

16.7 (12.9 to 20.5)

99

18.7 (15.0 to 22.4)

98

22.4 (18.0 to 26.8)

Housing tenure

 Owners (n = 1368)

12,397

692

54.5 (50.4 to 58.5)

10,914

178

16.8 (14.3 to 19.2)

192

15.7 (13.5 to 17.9)

187

17.2 (14.7 to 19.6)

 Other (n = 159)

1418

91

63.2 (50.2 to 76.2)

1266

19

15.2 (8.4 to 22.0)

23

16.5 (9.8 to 23.3)

31

26.7 (17.3 to 36.1)

Tertile groups of cumulative SES

 High (0–3, n = 769)

7152

372

50.3 (45.2 to 55.5)

6273

94

14.9 (11.9 to 17.9)

96

14.4 (11.5 to 17.3)

95

15.3 (12.2 to 18.3)

 Intermediate (4, n = 319)

2869

160

56.1 (47.4 to 64.8)

2524

44

18.0 (12.5 to 23.4)

44

15.9 (11.2 to 20.5)

45

16.4 (11.6 to 21.1)

 Lowest (5–7, n = 439)

3794

251

64.8 (56.8 to 72.8)

3383

61

19.0 (14.2 to 23.7)

75

17.8 (13.7 to 21.8)

78

24.9 (19.4 to 30.4)

  1. Abbreviations: CVD, cardiovascular disease; SES, socioeconomic status
  2. Educational attainment was categorized as ‘high’ (university degree), ‘intermediate’ (trade, apprenticeship, certificate, or diploma), and ‘low’ (no post-school qualification); Occupational level was categorized as ‘high’ (higher professional and managers, lower professionals and managers, higher clerical services and sales workers), ‘intermediate’ (small employers and self-employed, farmers, lower supervisors and technicians), and ‘low’ (lower clerical, services, sales workers, skilled and unskilled workers); and source of income was categorized as ‘high’ (other sources of income only), ‘intermediate’ (reliant on a government pension plus other source of income), and ‘low’ (reliant on a government pension only)
  3. a Indicates non-cardiovascular disease and non-cancer mortality
  4. b All-cause mortality follow-up was available from January 1, 2005 up to December 31, 2017
  5. c The mortality rates were standardized for age with the direct method using the 2017 New South Wales population based on Australian Bureau of Statistics (http://stat.data.abs.gov.au). The rates are per 1000 person-years
  6. d Cause of deaths follow-up was available from January 1, 2005 up to December 31, 2015
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