Table 1 Baseline demographic, lifestyle and clinical characteristics of the GREECS study participants, by quartiles of pack-years of smoking (n = 2172)

Age (years),mean(SD)

72.0(11.4)

63.0(13.1)

62.7(13.0)

64.0(11.8)

<0.001†

Men, %

43

88

95

93

<0.001

Years of school, mean(SD)

6.4(4.1)

8.7(4.4)

8.2(4.2)

8.3(4.3)

<0.001††

Low/moderate financial status, %

72

62

69

65

0.01

MedDietScore (0–55), mean(SD)

28.6(5.4)

28.6(5.7)

28.4(5.5)

27.7(6.0)

0.02

Physical activity, %

31

46

41

42

<0.001

Obesity, %

27.5

27.4

27.7

27.7

0.53

Alcohol consumption%

11

32

31

31

<0.001

Cups of coffee/day

0.67

0.86

1.06

1.29

<0.001

History of hypertension, yes %

65

48

45

51

<0.001

History of diabetes, yes %

36

33

27

29

0.01

History of hypercholesterolemia, yes %

44

47

45

49

0.45

Family history of CVD, yes %

33

37

37

42

0.01

History of CVD (prior to baseline event), yes %

60

56

59

58

0.55

ACS fatal events, %

12.1

16.0^*

15.2^*

19.1^*

0.01^┴

ACS events overall, %

36.1

33.0

41.0^*

45.0^*

0.001^┴