Table 1 Clinical characteristics of subjects studied

n

494

409

230

241

Age at study (years)

57.1 ± 11.9

56.7 ± 12.3

57.1 ± 11.8

53.0 ± 11.6

Age at diagnosis (years)

49.8 ± 11.7

49.3 ± 12.3

NA^a

NA^a

BMI (kg/m ² )

27.4 ± 4.1

30.0 ± 4.9

27.1 ± 4.1

28.9 ± 5.3

Waist circumference (cm) ^c

100.9 ± 10.1

104.2 ± 11.0

100.5 ± 11.2

99.0 ± 13.8

Systolic blood pressure (mm Hg) ^c

141.4 ± 19.3

138.9 ± 22.5

139.5 ± 19.6

131.1 ± 20.2

Diastolic blood pressure (mm Hg)

84.5 ± 12.6

84.1 ± 12.0

86.0 ± 11.6

82.9 ± 12.1

HDL cholesterol (mmol/l)

1.3 ± 0.6

1.3 ± 0.4

ND^b

ND^b

HbA _1c (%)

8.3 ± 2.0

8.3 ± 1.7

ND^b

ND^b