Exposure to wood dust | Controls (n=244) n | Cases (n=142) n | Adjusted for formaldehyde | ||||
---|---|---|---|---|---|---|---|
No OR4-151 (95% CI) | Yes OR4-152 (95% CI) | ||||||
Unexposed | 220 | 125 | 1.0 (reference) | 1.0 (reference) | |||
Ever exposed | 24 | 17 | 1.5 (0.7 to 3.3) | 1.2 (0.5 to 2.7) | |||
Maximum exposure (mg/m3): | |||||||
>0.0–0.55 | 15 | 10 | 1.7 (0.7 to 4.4) | 1.3 (0.5 to 3.6) | |||
>0.55–1.50 | 4 | 6 | 2.5 (0.6 to 10.2) | 2.0 (0.5 to 8.1) | |||
>1.50 | 5 | 1 | 0.3 (0.0 to 3.2) | 0.2 (0.0 to 2.1) | |||
Trend test | p=0.76 | p=0.68 | |||||
Duration (y): | |||||||
1–4 | 12 | 8 | 1.5 (0.5 to 4.2) | 1.4 (0.5 to 4.4) | |||
5–13 | 6 | 4 | 1.4 (0.3 to 5.6) | 1.3 (0.3 to 5.4) | |||
⩾14 | 6 | 5 | 1.8 (0.5 to 7.3) | 0.8 (0.2 to 3.7) | |||
Trend test | p=0.27 | p=0.74 | |||||
Cumulative exposure (mg/m3-years): | |||||||
>0.0–2.75 | 13 | 5 | 0.9 (0.3 to 3.0) | 0.7 (0.2 to 2.5) | |||
>2.75–15.70 | 5 | 10 | 3.9 (1.2 to 12.5) | 3.0 (0.9 to 9.8) | |||
>15.70 | 6 | 2 | 0.6 (0.1 to 3.7) | 0.4 (0.1 to 2.3) | |||
Trend test | p=0.42 | p=0.99 |
↵4-150 Excluding undifferentiated and non-keratinising histologies.
↵4-151 OR adjusted for age, sex, race, SEER site, cigarette use, proxy status, and education.
↵4-152 OR also adjusted for cumulative exposure to formaldehyde with the log transformed continuous measure and including jobs with possible or higher probabilities of exposure.