Variables	AOR	95% CI		P-value*
		Lower	Upper
Factory environment breathing zones PM10 in mg/m3:
Bakery (3.08)	1.94	0.62	6.03	0.252
Flour packaging factory (9.7)	1.00
Stone cutting factory (11.22)	1.23	0.40	3.77	0.723
Cereal store (17.16)	2.97	1.03	8.56	0.044
Furniture manufacture factory (17.96)	3.65	1.22	10.93	0.021
Asthma attack presentation:
Suddenly	1.00
Not suddenly	1.92	1.13	3.28	0.017
Don't know	1.32	0.79	2.21	0.296
Sleeping area characteristics:
Sleeps in bedroom	1.00
Sleeps in living room	1.90	0.96	3.75	0.065
Sleeps in single room	2.45	1.23	4.89	0.011