Table 4 Factors associated with lung functions among textile workers

 Male

19

6 (31.6)

1.00

6 (31.6)

1.00

2 (10.5)

1.00

 Female

188

70 (37.2)

1.29

(0.47–3.53)

65 (34.6)

1.15

(0.42–3.15)

6 (3.2)

0.28

(0.05–1.48)

  < 40 years

109

35 (32.1)

1.00

34 (31.2)

1.00

3 (2.8)

1.00

  ≥ 40 years

98

41 (41.8)

1.52

(0.86–2.68)

37 (37.8)

1.34

(0.75–2.38)

5 (5.1)

1.90

(0.44–8.17)

  ≥ High school education level

124

41 (33.1)

1.00

39 (31.5)

1.00

4 (3.2)

1.00

  < High school education level

83

35 (42.2)

1.48

(0.83–2.62)

32 (38.6)

1.36

(0.76–2.45)

4 (4.8)

1.52

(0.36–6.25)

 Weaving

78

21 (26.9)

1.00

19 (24.4)

1.00

3 (3.8)

1.00

 Knitting

24

8 (33.3)

1.36

(0.51–3.64)

9 (37.5)

1.86

(0.70–4.94)

1 (4.2)

1.09

(0.11–10.96)

 Carding

13

4 (30.8)

1.21

(0.34–4.34)

4 (30.8)

1.38

(0.38–4.99)

0 (0.0)

0.00

 Spinning

40

16 (40.0)

1.81

(0.81–4.05)

13 (32.5)

1.49

(0.65–3.46)

2 (5.0)

1.32

(0.21–8.21)

 Twisting

40

21 (52.5)

3.00

(1.35–6.66) **

21 (52.5)

3.43

(1.53–7.69) **

1 (2.5)

0.64

(0.06–6.37)

 Opening

12

6 (50.0)

2.71

(0.79–9.35)

5 (41.7)

2.22

(0.63–7.81)

1 (8.3)

2.27

(0.22–23.83)

  ≤ 5 years

54

8 (14.8)

1.00

10 (18.5)

1.00

0 (0.0)

 6–10 years

54

24 (44.4)

4.60

(1.83–11.58) ***

21 (38.9)

2.80

(1.16–6.73) *

3 (5.6)

 11–15 years

16

9 (56.3)

7.39

(2.14–25.56) **

7 (43.8)

3.42

(1.03–11.39) *

1 (6.3)

  > 15 years

83

35 (42.2)

4.19

(1.76–9.98) ***

33 (39.8)

2.90

(1.29–6.56) **

4 (4.8)

 No

199

74 (37.2)

1.00

70 (35.2)

1.00

8 (4.0)

 Yes

8

2 (25.0)

0.56

(0.11–2.86)

1 (12.5)

0.26

(0.03–2.18)

0 (0.0)

 Absent

98

20 (20.4)

1.00

22 (22.4)

1.00

5 (5.1)

1.00

 Present

109

56 (51.4)

4.12

(2.22–7.64) ***

49 (45.0)

2.82

(1.54–5.17) ***

3 (2.8)

0.53

(0.12–2.26)

 Acceptable

102

29 (28.4)

1.00

28 (27.5)

1.00

4 (3.9)

1.00

 Increased

105

47 (44.8)

2.04

(1.14–3.63) *

43 (41.0)

1.83

(1.02–3.29) *

4 (3.8)

0.97

(0.24–3.99)