Participants group
|
Chronic cough
|
Exposed
|
2.30 (1.13–4.67)a
|
2.35 (1.14–4.85)a
|
Referent
|
Reference
|
Reference
|
Chronic phlegm
|
Exposed
|
3.22 (1.20–8.66)a
|
2.98 (1.07–8.24)a
|
Referent
|
Reference
|
Reference
|
Episodes of chronic cough and phlegm
|
Exposed
|
1.95 (1.30–2.91)b
|
1.91 (1.26–2.90)b
|
Referent
|
Reference
|
Reference
|
Chronic wheeze
|
Exposed
|
6.21 (2.89–13.36)c
|
6.00 (2.78–12.94)c
|
Referent
|
Reference
|
Reference
|
Asthma
|
Exposed
|
3.74 (1.60–8.76)b
|
3.18 (1.34–7.58)b
|
Referent
|
Reference
|
Reference
|
Similar exposure group
|
Chronic cough
|
Green brick molding
|
5.80 (1.20–27.93)a
|
4.46 (0.84–23.75)
|
Green brick stacking/carrying
|
3.03 (0.60–15.40)
|
5.61 (0.99–31.78)
|
Red brick loading/carrying
|
2.44 (0.45–12.76)
|
4.13 0.71–24.09)
|
Firing
|
4.39 (0.89–21.61)
|
2.24 (0.41–12.17)
|
Coal crushing/carrying
|
Reference
|
Reference
|
Chronic phlegm
|
Green brick molding
|
7.94 (1.54–41.10)a
|
2.79 (0.43–18.17)
|
Green brick stacking/carrying
|
2.81 (0.53–15.03)
|
4.43 (0.72–27.39)
|
Red brick loading/carrying
|
3.01 (0.60–16.02)
|
3.95 (0.66–23.62)
|
Firing
|
2.14 (0.36–12.63)
|
0.66 (0.09–5.13)
|
Coal crushing/carrying
|
Reference
|
Reference
|
Chronic bronchitis
|
Green brick molding
|
1.15 (0.46–2.84)
|
1.15 (0.44–2.99)
|
Green brick stacking/carrying
|
0.72 (0.27–1.94)
|
0.94 (0.33–2.68)
|
Red brick loading/carrying
|
2.45 (1.10–5.57)a
|
3.08 (1.26–7.51)a
|
Firing
|
2.58 (1.13–5.87)a
|
2.03 (0.84–4.87)
|
Coal crushing/carrying
|
Reference
|
Reference
|
Chronic wheezing
|
Green brick molding
|
1.55 (0.57–4.23)
|
1.35 (0.48–3.82)
|
Green brick stacking/carrying
|
0.93 (0.31–2.80)
|
0.90 (0.29–2.81)
|
Red brick loading/carrying
|
2.29 (0.88–5.91)
|
2.12 (0.79–5.67)
|
Firing
|
0.51 (0.14–1.80)
|
0.39 0.11–1.47)
|
Coal crushing/carrying
|
Reference
|
Reference
|
Asthma
|
Green brick molding
|
1.95 (0.47–8.10)
|
1.75 (0.40–7.63)
|
Green brick stacking/carrying
|
1.95 (0.47–8.10)
|
1.95 (0.45–8.52)
|
Red brick loading/carrying
|
3.24 (0.87–12.30)
|
3.06 (0.77–12.08)
|
Firing
|
0
|
0
|
Coal crushing/carrying
|
Reference
|
Reference
|