Table 1 Sociodemographic characteristics of surveyed brick kiln male workers from Rawalpindi, Pakistan.

From: Biochemical and reproductive biomarker analysis to study the consequences of heavy metal burden on health profile of male brick kiln workers

Socio-demographic parameters

P value statistics

Parameters

Control

Workers

Age (years)

n

Percentage

n

Percentage

18–28

114

57.0

186

53.7

P = 0.009

29–38

32

16.0

66

19.0

P = 0.001

39–45

36

18.0

34

9.83

P = 0.000

45 + 

18

9.00

60

17.3

P = 0.096

BMI (kg/m2)

Normal weight

42

21.0

206

59.5

P = 0.701

Obesity

68

34.0

38

10.9

P = 0.059

Overweight

78

39.0

64

18.5

P = 0.174

Underweight

12

6.00

38

10.9

P = 0.865

Marital status

Married

98

48.4

268

77.4

P = 0.277

Unmarried

102

51.5

78

22.5

P = 0.084

Sleep duration (hours)

less than 8

56

28.0

96

27.7

P = 0.045

8–12

126

63.0

248

71.6

P = 0.465

12 + 

18

9.00

2

0.58

P = 0.000

Education status

Illiterate

2

1.00

292

84.3

P = 0.496

Primary

0

0.00

40

11.5

P = 0.500

Matric

54

27.0

6

1.73

P = 0.033

Intermediate

60

30.0

8

2.31

P = 0.416

Bachelors

36

180

0

0.00

P = 0.500

Masters

36

18.0

0

0.00

P = 0.500

Higher studies

12

6.00

0

0.00

P = 0.500

Health history

Allergy

6

3.00

6

1.73

P = 1.00

Asthma

0

0.000

28

8.09

P = 0.500

Diabetes

6

3.00

2

0.58

P = 0.295

Obesity

0

0.000

2

0.58

P = 0.500

Stomach issue

0

0.000

36

10.4

P = 0.500

Hyperandrogenism

0

0.000

0

0.00

P = 1

Kidney issue

0

0.000

18

5.20

P = 0.500

Tuberculosis (TB)

8

4.00

12

3.47

P = 0.500

Hepatitis

0

0.000

6

1.73

P = 0.126

Other

30

15.0

132

38.1

P = 0.358

None

150

75.0

104

30.0

P = 0.114

Medication

Yes

14

7.00

76

21.9

P = 0.381

No

42

21.0

174

50.2

P = 0.349

No need

144

72.0

96

27.7

P = 0.126

Smoking status

Smokers

202

58.3

44

22

P = 0.363

Non smokers

144

41.6

156

78

P = 0.025