Table 3

Matched, unadjusted non-malignant respiratory disease (excluding influenza and pneumonia) OR (95% CIs) for sociodemographic and cumulative exposure-days

OR (95% CI)
Subject characteristics:
    Education (y, observations (n=114), informative strata (n=26)):
        ≥121.000
        8–110.66 (0.23 to 1.77)
        <80.56 (0.06 to 2.89)
    Marital status (observations (n=96), informative strata (n=22)):
        Married1.000
        Widowed, divorced, separated1.49 (0.50 to 4.12)
        Never married1.51 (0.02 to 30.64)
    Smoking (cigarettes, observations (n=22), informative strata (n=6)):
        Never smoked1.000
        Smoked for 6 months or more5.09 (0.65 to + Inf)
    Drinking (observations (n=47), informative strata (n=12)):
        Not regular drinker1.000
        Regular drinker1.42 (0.36 to 5.63)
    Income ($, observations (n=33), informative strata (n=10)):
        ≥200001.000
        <200000.60 (0.13 to 2.81)
Cumulative exposure-days (concentration×days of exposure):
    Respirable fibres (fibres/ml, observations (n=107), informative   strata (n=24)):
        <1001.000
        100–299.992.24 (0.54 to 10.97)
        ≥300 (Max=687.7)0.79 (0.20 to 3.52)
    Asbestos (fibres/ml, (fibres/ml, observations (n=128), informative   strata (n=29)):
        01.000
        0.03–0.990.97 (0.13 to 5.13)
        ≥1 (max=66.7)1.10 (0.41 to 2.85)
    Talc (fibres/ml, (fibres/ml, observations (n=118), informative strata   (n=27)):
        01.000
        >0 (max=66.7)0.66 (0.24 to 1.64)
    Respirable silica (mg/m3, observations (n=131), informative strata   (n=30)):
        01.000
        0.03–0.9991.17 (0.02 to 24.80)
        1–9.91.58 (0.23 to 14.01)
        10–99.92.27 (0.46 to 16.03)
        ≥100 (max=6664.8)1.33 (0.27 to 8.94)
    Formaldehyde (ppm, observations (n=113), informative strata   (n=26)):
        <10001.000
        ≥1000 (max=7514.5)1.09 (0.43 to 2.82)