Indoor exposure to particulate matter and volatile organic compounds in dwellings and workplaces and respiratory health in French farmers

Table 7 Relationships between elevated exposure to particulate matter (PM) and asthma and Early Airways Obstruction in the stable and granary in the farmers

PM	Asthma				Early Airways Obstruction
PM	cOR^a (95% CI)^b		aOR^† (95% CI)		cOR (95% CI)		aOR^† (95% CI)
Average Particles number (pt/cm³)	2.48	0.68–8.97	2.43	0.50–11.80	1.65	(0.33–8.39)	1.85	(0.32–10.59)
PM₁ (μg/m³)	0.63	0.14–2.91	1.07	0.19–5.84	0.56	(0.13–2.52)	0.50	(0.08–3.04)
PM_2.5 (μg/m³)	0.29	0.04–2.42	0.30	0.05–1.69	5.31	(1.25–22.65)	5.26	(1.09–25.28)
PM₁₀ (μg/m³)	1.28	0.34–4.79	2.20	0.38–12.55	1.32	(0.31–5.58)	1.10	(0.22–5.42)
TSP (μg/m³)	0.88	0.22–3.54	1.59	0.27–9.21	1.67	(0.39–7.13)	0.97	(0.15–6.44)

Early Airways Obstruction: (FEF25–75 < 80% of the predicted level and FEV / FVC > 70%, after bronchodilation during the reversibility test)
UFPM Ultrafine particulate matter, PM Particulate Matter, TSP Total Suspended Particles
^aOR odds ratios
^b(95% CI): 95% confidence interval
^†aOR: Adjusted odds ratio adjusted for gender, age, smoking habit, relative humidity, presence of pets and presence of mold: values in bold denote statistically significant estimates of OR (p < 0.05)

ISSN: 2049-6958