Table 2

 Standardised incidence ratio (SIR) of nasal and laryngeal cancers in 1971–95 by gender and cumulative exposure (CE) to eight organic dusts among economically active Finns born 1906–45

AgentCE classNasal cancerLaryngeal cancer
MenWomenMenWomen
OSIR95% CIOSIR95% CIOSIR95% CIOSIR95% CI
O, observed number of cases; CI, confidenceinterval; SIRs adjusted for age and social class, exposure lag period 20 years.
Wood dustNone (0)2590.960.85–1.091181.000.83–1.2019651.020.97–1.061280.990.83–1.18
Low (<3 mg/m3-year)151.570.88–2.5811.740.04–9.69761.060.83–1.3211.220.03–6.80
Medium (3–50 mg/m3-year)171.290.75–2.0710.800.02–4.43770.710.56–0.8832.090.43–6.11
High (>50 mg/m3-year)11.240.03–6.8900.000.00–9.7010.130.00–0.7400.000.00–7.79
Pulp or paper dustNone (0)2901.000.89–1.121181.000.83–1.2020971.000.96–1.041301.000.84–1.19
Low (<10 mg/m3-year)10.700.02–3.8811.420.04–7.89121.320.68–2.3121.970.24–7.11
Medium (10–15 mg/m3-year)11.030.03–5.7610.950.02–5.27101.150.55–2.1200.000.00–3.22
High (>15 mg/m3-year)00.000.00–13100.000.00–66.400.000.00–11.400.000.00–134
Flour dustNone (0)2901.000.89–1.121020.960.78–1.1721021.000.96–1.041201.050.87–1.26
Low (<5 mg/m3-year)00.000.00–5.65151.220.69–2.0230.680.14–1.99100.620.30–1.13
Medium (5–50 mg/m3-year)00.000.00–6.6233.960.82–11.640.960.26–2.4600.000.00–5.63
High (>50 mg/m3-year)22.450.30–8.8300.000.00–3.98101.510.72–2.7821.810.22–6.54
Plant dustNone (0)2331.020.89–1.16800.990.79–1.2316771.010.96–1.06991.050.86–1.28
Low (<10 mg/m3-year)270.850.56–1.23231.060.67–1.592190.960.84–1.10180.770.46–1.22
Medium (10–40 mg/m3-year)321.010.69–1.43170.970.57–1.552170.950.83–1.09151.020.57–1.68
High (>40 mg/m3-year)00.000.00–18.700.000.00–49.963.551.30–7.7200.000.00–96.8
Textile dustNone (0)2881.000.88–1.121171.040.86–1.2520991.000.96–1.041220.990.82–1.18
Low (<5 mg/m3-year)21.400.17–5.0700.000.00–1.2880.740.32–1.4641.150.31–2.94
Medium (5–20 mg/m3-year)11.190.03–6.6320.490.06–1.7771.090.44–2.2430.650.13–1.90
High (>20 mg/m3-year)13.340.08–18.611.230.03–6.8751.830.59–4.2633.710.77–10.8
Leather dustNone (0)2911.000.89–1.121201.000.83–1.2021121.000.96–1.041321.010.84–1.19
Low (<5 mg/m3-year)12.010.05–11.200.000.00–7.8351.300.42–3.0400.000.00–6.61
Medium (5–20 mg/m3-year)00.000.00–18.600.000.00–31.921.220.15–4.4200.000.00–29.8
High (>50 mg/m3-year)00.000.00–108000.000.00–72800.000.00–94.000.000.00–1460
Animal dustNone (0)2411.010.88–1.14961.010.82–1.2317601.010.97–1.061121.000.82–1.20
Low (<0.5 mg/m3-year)360.920.64–1.2780.810.35–1.593000.950.85–1.0781.040.45–2.06
Medium (0.5–1.5 mg/m3-year)141.070.58–1.79161.100.63–1.79530.830.62–1.08121.030.53–1.80
High (>1.5 mg/m3-year)12.220.06–12.400.000.00–22.761.900.70–4.1400.000.00–24.0
Synthetic polymer dustNone (0)2911.000.89–1.121181.020.85–1.2221051.000.96–1.041291.020.85–1.21
Low (<5 mg/m3-year)10.550.01–3.0820.450.05–1.61141.030.56–1.7230.610.13–1.79
Medium (5–20 mg/m3-year)00.000.0000.000.0000.000.0000.000.00
High (>20 mg/m3-year)00.000.0000.000.0000.000.0000.000.00