Table 2 Some demographic and anthropometric characteristics of the subjects. Values are mean ± S.D.

Parameters

Control

Auto-mechanics

Auto-electricians

Battery chargers

Drivers

Painters (Vehicle)

Panel beaters

Petrol station attendants

Upholsterers

Spare parts/Oil sellers

Welders

Age (years)

26.00 ± 6.65

28.02 ± 10.72

32.00 ± 10.17

27.00 ± 7.07

39.50 ± 12.02

34.00 ± 19.56

29.53 ± 13.03

28.71 ± 3.99

29.25 ± 8.96

30.50 ± 0.70

37.50 ± 3.54

Job experience (years)

-

11.64 ± 10.92

13.25 ± 11.18

7.50 ± 0.71

4.00 ± 2.83

15.71 ± 19.96

12.47 ± 10.45

3.57 ± 1.54

12.38 ± 11.46

6.50 ± 2.12

25.50 ± 0.71

Hours spent/day in workshop

8.64 ± 0.92

11.62 ± 0.78

11.25 ± 1.16

11.50 ± 0.71

10.00 ± 0.00

11.14 ± 0.69

11.20 ± 0.68

14.29 ± 3.25

11.25 ± 1.50

10.50 ± 2.12

11.50 ± 0.71

Height (m)

1.69 ± 0.05a

1.67 ± 0.13a

1.72 ± 0.05a

1.70 ± 0.02a

1.68 ± 0.04a

1.73 ± 0.08a

1.72 ± 0.03a

1.71 ± 0.08a

1.69 ± 0.07a

1.68 ± 0.02a

1.73 ± 0.04a

Weight (kg)

60.64 ± 8.10a

62.44 ± 11.54a

62.38 ± 7.89a

57.50 ± 0.71a

67.00 ± 11.31a

54.33 ± 2.52a

63.71 ± 10.16a

68.00 ± 7.26a

58.25 ± 11.62a

58.00 ± 4.24a

67.50 ± 14.85a

BMI (kg/m²)

21.34 ± 3.07a

21.78 ± 3.76a

20.88 ± 2.06a

20.02 ± 0.25a

23.66 ± 2.81b

18.15 ± 1.72a

21.71 ± 3.73a

23.49 ± 3.39b

20.62 ± 4.34a

20.66 ± 0.99a

24.84 ± 0.90b

BSA (m²)

1.69 ± 0.11a

1.71 ± 0.14a

1.72 ± 0.10a

1.66 ± 0.03a

1.76 ± 0.16a

1.65 ± 0.08a

1.78 ± 0.12a

1.79 ± 0.10a

1.64 ± 0.20a

1.41 ± 0.29b

1.88 ± 0.09c

BFMI (kg/m²)

3.81 ± 1.45a

4.08 ± 2.29a

3.24 ± 1.19a

3.29 ± 0.72a

5.17 ± 1.92a

1.81 ± 0.91a

8.57 ± 4.39c

6.04 ± 2.30b

10.28 ± 8.24d

3.24 ± 0.60a

6.35 ± 0.21b

FFMI (kg/m²)

17.53 ± 1.63a

17.44 ± 3.64a

17.48 ± 0.84a

16.73 ± 0.47a

18.50 ± 0.91a

16.35 ± 0.81a

15.88 ± 3.75a

17.44 ± 1.08a

10.34 ± 12.45b

17.43 ± 0.40a

18.46 ± 1.08a

LBM (kg)

49.88 ± 4.66a

50.67 ± 5.78a

51.52 ± 4.72a

47.64 ± 2.03a

53.21 ± 6.61a

47.13 ± 2.37a

52.08 ± 4.92a

50.43 ± 3.14a

47.72 ± 8.42a

48.44 ± 2.81a

55.74 ± 6.56a

BFM (kg)

10.75 ± 3.82a

11.63 ± 6.75a

9.55 ± 3.70a

9.47 ± 1.88a

14.74 ± 6.17a

5.29 ± 2.16a

25.32 ± 12.80c

15.21 ± 3.77a

28.12 ± 22.80c

9.09 ± 1.92a

18.94 ± 0.06b

TBW (litre)

36.86 ± 2.76a

37.19 ± 3.78a

37.69 ± 2.82a

35.90 ± 0.85a

35.80 ± 1.70a

35.90 ± 2.01a

39.34 ± 3.82a

39.47 ± 2.74a

35.63 ± 5.01a

35.80 ± 1.70a

41.55 ± 2.33a

IF (litre)

20.26 ± 1.51a

20.56 ± 2.04a

20.73 ± 1.45a

19.85 ± 0.35a

21.25 ± 2.33a

19.73 ± 1.11a

21.64 ± 2.07a

21.67 ± 1.43a

19.60 ± 2.74a

19.75 ± 0.92a

22.85 ± 1.34a

EF (litre)

16.58 ± 1.24a

16.58 ± 2.05a

16.96 ± 1.19a

16.20 ± 0.28a

17.35 ± 1.91a

16.17 ± 0.90a

17.73 ± 1.68a

17.71 ± 1.18a

16.03 ± 2.27a

16.15 ± 0.78a

18.70 ± 1.13a

BP (systolic) (mm Hg)

123.64 ± 15.88a

112.82 ± 23.71a

134.63 ± 10.85a

128.00 ± 11.31a

115.00 ± 12.73a

113.14 ± 33.86a

114.60 ± 25.18a

114.29 ± 6.78a

120.00 ± 14.24a

117.50 ± 6.36a

110.50 ± 14.85a

BP (diastolic) (mm Hg)

81.09 ± 19.94a

69.12 ± 16.67a

75.88 ± 10.34a

61.50 ± 16.26a

65.50 ± 2.12a

60.71 ± 15.00a

66.20 ± 15.19a

79.57 ± 7.04a

67.00 ± 11.34a

73.00 ± 1.41a

77.00 ± 24.04a