Table 2 Baseline characteristics of the B-PROOF study participants

Study location (n)

-WU

856

499

357

-VUmc

778

301

477

-Erasmus MC

1285

656

629

Age (years)*

74.1 (6.5)

73.4 (6.1)

74.9 (6.8)

Plasma homocysteine (μmol/L)^#

14.4

14.6

14.1

[13.0-16.6]

[13.1-16.8]

[12.9-16.3]

Serum creatinine (μmol/L)^#

82.0

90.0

73.0

[71-94]

[81.0-101.0]

[65.0-84.0]

Weight (kg)^#

77.9 (13.3)

83.1 (11.9)

72.7 (12.5)

Height (cm) ^#

169.3 (9.3)

175.9 (6.6)

162.7 (6.6)

Physical activity (min/day)^#

130.0

116.3

142.9

[84.0-192.9]

[72.5-177.0]

[96.0-205.7]

Years of education*

10.1 (4.0)

10.9 (4.1)

9.2 (3.6)

Smoking (%)

- Current

9.6

10.8

8.5

- Former

56.5

69.1

44.0

- Never

33.9

20.1

47.6