Variables

HLM (n = 59)

MEDINA (n = 63)

PETERSEN (n = 56)

TOTAL (n = 178)

p-value

Age (years)

Weight (Kg)

Height (cm)

BMI (Kg/m2)

Duration of smoking (years)

Duration in the workplace (years)

Duration in the work (years)

Number of working day per week

Duration of transit per day (hours)

Education level

None

Primary

Secondary

Matrimonial status

Single

Married

Divorced

Current smoking

Yes

No

Transportation

Public transport

Others

Exposure to others types of pollution

Yes

No

Respiratory diseases related to work

Yes

No

Respiratory diseases related to air pollution

Yes

No

31.9 ± 9.0

72.1 ± 13.3

175.1 ± 8.0

23.6 ± 4.6

11.2 ± 7.3

12.7 ± 7.9

13.7 ± 8.0

6.7 ± 0.9

16.2 ± 4.4

25 (42.3)

27 (45.7)

7 (12)

34 (57.6)

24 (40.7)

1 (1.7)

35 (59.3)

24 (40.7)

59 (100)

0 (0)

3 (5.1)

56 (94.9)

50 (84.7)

9 (15.3)

56 (94.9)

3 (5.1)

33.8 ± 9.4

77.5 ± 11.8

178.4 ± 7.4

24.3 ± 4.0

9.6 ± 6.3

11.8 ± 6.5

13.9 ± 7.9

5.2 ± 1.4

14.1 ± 4.2

32 (50.7)

24 (38.1)

7 (11.2)

28 (44.4)

34 (53.9)

1 (1.7)

15 (22.6)

48 (77.4)

57 (90.4)

6 (9.6)

32 (50.7)

31 (49.3)

35 (55.5)

29 (44.5)

39 (61.9)

24 (38.1)

39.0 ± 10.9

72.2 ± 10.1

177.2 ± 9.0

22.9 ± 3.4

15.6 ± 10.7

12.8 ± 10.5

15.1 ± 10.9

5.9 ± 1.3

15.8 ± 2.2

26 (46.4)

17 (30.3)

13 (23.3)

16 (28.6)

39 (69.6)

1 (1.8)

10 (17.9)

46 (82.1)

56 (100)

0 (0)

22 (39.3)

34 (60.7)

26 (46.4)

30 (50.3)

35 (62.5)

21 (37.5)

34.8 ± 10.1

74.0 ± 12.0

176.9 ± 8.2

23.6 ± 4.1

11.5 ± 7.9

12.4 ± 8.3

14.2 ± 9.0

5.9 ± 1.4

15.3 ± 3.8

83 (46.6)

68 (38.2)

26 (15.2)

78 (43.8)

97 (54.5)

3 (1.7)

60 (33.9)

118 (66.1)

172 (96.6)

6 (3.4)

58 (32.6)

120 (67.4)

111 (62.3)

62 (37.7)

130 (73.0)

48 (27.0)

0.11

0.39

0.40

0.27

0.31

0.02*

0.11

<0.001***

0.007**

0.50

0.05

<0.001***

0.04*

<0.001***

<0.001***

<0.001***