Table 4

 Adjusted linear regression on cross-shift decline in FEV1 (the residuals adjusted for age, gender, and height) and dust exposure (1156 individuals)

RES cross-shift FEV1*
Exposure estimatesCoeff†SEp value
The estimates are labelled according to the method number.
Numbers may vary due to missing values.
*Variables included in the final model: dust exposure, use of beech, pack-year, and body mass index.
†Unit: percentage decline in FEV1/mg/m3 dust.
1. Individual, 1. round0.3970.230.09
2. Individual, all rounds0.4030.250.10
3. Individual, 4 groups0.3690.290.20
4. 12 categories0.6810.580.24
5. 5 categories0.1610.390.68
6. Weighted estimate0.6310.390.10
7. Mixed model 10.1990.400.62
8. Mixed model 20.5650.410.17