Skip to main content

Table 1 Personal characteristics of subjects in exposed groups (car-spray painters and car-mechanics) vs. control group

From: Biological Monitoring of Blood Naphthalene Levels as a Marker of Occupational Exposure to PAHs among Auto-Mechanics and Spray Painters in Rawalpindi

Parameters

Car-Spray painters (n = 20)

Car-Mechanics (n = 20)

Control (n = 20)

P-value a

P-value b

Age (years)

27.5 (25.3-29)*

28.10 (25.25-30.8)

26.85 (22.3-29.7)

0.51 c

0.21 c

Height (cm)

171 (165-176)

170.6 (165-173.7)

171 (164-176)

0.77 c

1.00 c

Weight in (Kg)

61 (56-62.75)

58.50 (55-62)

59.50 (55-65)

0.84 d

0.67 d

BMI (kg/m2)

18.9 (18.2-20.3)

19.05 (18.4-20.7)

19.10 (18.2-20.9)

0.88 c

0.92 c

Income (× 103) Rs.

8.5 (6.5-11.5)

8.50 (8-10)

14 (12.3-16)

<0.001 e

<0.001 e

Expenditure versus Income

    

Low

7 (35) **

2 (10)

4 (20)

<0.004 e

<0.02 e

Equal

4 (20)

8 (40)

14 (70)

  

High

9 (45)

10 (50)

2 (10)

  

Education Level

    

Under-Primary

16 (80) **

8 (40)

0 (0)

<0.001 e

<0.001 e

Primary

3 (15)

7 (35)

3 (15)

  

Secondary

1 (5)

4 (20)

12 (60)

  

Higher-secondary

0 (0)

1 (5)

5 (25)

  

Home ownership

     

No

11 (55)

13 (65)

5 (25)

<0.05 e

<0.01 e

Yes

9 (45)

7 (35)

15 (75)

  

Smoking Status

     

Non-smoker

8 (40)**

11 (55)

17 (85)

<0.005 e

0.225 e

Smoker

12 (60)

9 (45)

3 (15)

  

Passive Smoking (at home)

    

No

12 (60)

10 (50)

16 (80)

<0.150 e

<0.048 e

Yes

8 (40)

10 (50)

4 (20)

r = 0. 59 f

r = 0.62 f

  1. * Median (25th-75th)
  2. ** Frequency (% of total)
  3. a Car-spray painters v/s Control P-values
  4. b Car-mechanics v/s Control, P-values
  5. c Wilcoxon Signed Rank Test
  6. d Welch test
  7. e Chi-square test
  8. f = correlation between blood NAPH and presence of smoker at home