Subjects n | OR (95% CI) | ||
Crude | Adjusted# | ||
VGDF exposure¶ | |||
No exposure | 1220 | 1.00 (reference) | 1.00 (reference) |
Any exposure | 277 | 1.69 (0.98–2.91) | 1.98 (1.06–3.69) |
Organic dust exposure+ | |||
No exposure | 1031 | 1.00 (reference) | 1.00 (reference) |
Any exposure | 242 | 1.74 (0.97–3.10) | 2.05 (1.04–4.08) |
VGDF: vapour, gas, dust and fume. #: random effect logistic regression adjusted for pack-year group (<10, 10–20 and >20 smoked pack-years), age group (45–54, 55–64, 65–74 and 75–84 years of age) and general practice (random variable); ¶: missing values for VGDF exposure (n=120), spirometry (n=8) and, VGDF and spirometry n=1; +: missing values for organic dust exposure (n=344), spirometry (n=7), and organic dust and spirometry (n=2). Bold indicates statistical significance beyond the level of 5%.