Table 1 Study population characteristics

Exhaled breath temperature, °C

33.5 (1.2)

33.0 (1.4)

Age, years

70.5 (5.0)

71.1 (4.3)

Family income

-low

26 (38.8%)

43 (51.8%)

-medium

39 (58.2%)

39 (47%)

-high

2 (3.0%)

1 (1.2%)

Education

-low

24 (35.8%)

36 (43.4%)

-medium

29 (43.3%)

31 (37.4%)

-high

14 (20.9%)

16 (19.3%)

White collar worker

29 (42%)

61 (73.5%)

Former smokers

52 (77.6%)

29 (34.9%)

Physical activity, times per week during 30 min

4.1 (2.7)

3.3 (2.5)

BMI, kg/m²

27.4 (3.6)

27.8 (5.1)

Glucose, mg/dl

108.6 (39.4)

99.1 (23.2)

Total cholesterol, mg/dl

193.6 (35.6)

207.1 (39.4)

HDL/LDL cholesterol, mg/dl

0.49 (0.19)

0.63 (0.33)

Systolic BP, mmHg

146.6 (16.1)

144.6 (20.2)

Diastolic BP, mmHg

89.3 (9.9)

85.8 (11.6)

Statins

36 (52.9%)

37 (44.6%)

Anti-hypertensive medication

39 (57.4%)

49 (59.7%)

Acetylsalicylic acid

38 (55.9%)

30 (36.6%)

COPD

10 (14.7%)

3 (3.6%)

Asthma

4 (5.9%)

2 (2.5%)