Table 1 Summary data (mean and standard deviation or number (%)) and number (%) missing for putative risk factors, by study

n

7417

3558

894

1747

38897

2316

54829

Age

54.06 (9.49)

nil

61.14 (6.91)

nil

55.00 (9.72)

nil

65.86 (4.3)

nil

55.02 (8.61)

nil

54.61 (9.77)

nil

55.62 (8.94)

nil

Women, n (%)

4103 (55)

nil

2063 (58)

nil

510 (57)

nil

987 (57)

nil

23430 (60)

nil

1241 (54)

nil

32582 (59)

nil

Systolic blood pressure

130.44 (18.19)

30 (0.4)

142.37 (19.94)

17 (0.48)

132.11 (21.70)

nil

144.17 (22.19)

nil

136.55 (19.0)

88 (0.23)

130.23 (17.86)

1 (0.04)

136.01 (19.34)

136 (0.25)

Total cholesterol

5.79 (1.05)

1 (0.01)

5.92 (1.05)

442 (12.42)

5.42 (0.98)

nil

6.57 (1.23)

4 (0.23)

5.53 (1.06)

148 (0.38)

5.45 (1.03)

17 (0.73)

5.61 (1.08)

612 (1.16)

HDL cholesterol

1.43 (0.39)

2 (0.03)

1.45 (0.43)

445 (12.51)

1.45 (0.39)

nil

1.38 (0.38)

7 (0.40)

1.41 (0.40)

33815 (86.93)

1.37 (0.39)

18 (0.72)

1.42 (0.40)

34286 (62.5)

Diabetes, n (%)

458 (6)

1 (0.01)

204 (6)

3 (0.08)

65 (7.3)

nil

85 (5)

nil

1478 (4)

6 (0.02)

142 (6)

nil

2432 (4)

10 (0.02)

FPG (mmol/L)

5.60 (1.22)

1 (0.01)

5.28 (1.50)

342 (9.10)

5.27 (1.50)

nil

5.32 (1.68)

11 (0.60)

5.65 (1.10)

12659 (32.5)*

5.40 (1.50)

nil

5.70 (1.51)

13013 (23.4)

SEIFA fifth, n (%)

17 (0.22)

6 (0.16)

6 (0.75)

nil

128 (0.33)

8 (0.32)

165 (0.30)

1st (most disadvantaged)

625 (8.43)

nil

558 (62.42)

1747 (100)

5537 (14.28)

843 (36.40)

9310 (16.98)

2nd

1310 (17.66)

2466 (69.31)

237 (26.51)

nil

8023 (20.69)

537 (23.219)

12573 (22.93)

3rd

2151 (29.00)

nil

93 (10.40)

nil

7149 (18.44)

371 (16.02)

9764 (17.781)

4th

1460 (19.68)

1085 (30.49)

nil

nil

7978 (20.58)

473 (20.42)

10996 (20.06)

5th (least disadvantaged)

1854 (25.00)

1 (0.03)

nil

nil

10082 (26.01)

84 (3.63)

12021 (21.92)

Current smoker, n (%)

1050 (14)

131 (1.77)

558 (16)

116 (3.26)

137 (15)

nil

309 (18)

18 (1.03)

4378 (11)

10 (0.03)

453 (20)

16 (0.69)

6885 (13)

291 (0.53)

eGFR (ml/min/m²)

94.11 (14.04)

33 (0.44)

66.96 (14.78)

795 (22.34)

87.15 (15.73)

nil

n/a

1747 (100)

n/a

38897 (100)

n/a

2316 (100)

86.75 (18.46)

43788 (79.86)

Albumin-creatinine ratio

1.61 (7.22)

37 (0.50)

n/a

3558 (100)

n/a

894 (100)

n/a

1747 (100)

n/a

38897 (100)

n/a

2316 (100)

1.61 (7.22)

47449 (86.55)

Family history CVD, n (%)

n/a

7417 (100)

n/a

3558 (100)

n/a

894

603 (35)

nil

19830 (51)

nil

1551 (67)

34 (1.47)

21984 (40)

11903 (27.71)

BMI

27.26 (4.97)

64 (0.86)

26.99 (4.86)

40 (1.22)

28.18 (5.19)

2 (0.22)

26.12 (4.25)

2 (0.11)

26.86 (4.42)

27 (0.07)

28.50 (5.48)

1 (0.04)

26.99 (4.60)

136 (0.25)

High school +, n (%)

2692 (36)

4 (0.05)

2130 (60)

222 (6.24)

211 (24)

nil

490 (29)

42 (2.40)

12797 (33)

9 (0.02)

1204 (52)

656 (2.42)

19524 (36)

333 (0.61)

CVD death, n (%)

87 (1.17)

nil

246 (6.91)

nil

6 (0.67)

nil

320 (18.32)

nil

691 (1.80)

606 (1.56)

25 (1.08)

nil

1375 (2.51)

606 (1.11)

Years of follow-up, mean

11.77

n/a

15.17

n/a

9.82

n/a

18.09

n/a

18.04

n/a

10.46

n/a

16.55

nil