Table 5 Asthma management and A&E attendance.

	Controls (%)	Cases (%)	OR (95% CI)	OR adjusted for age, sex and ethnic group (95% CI)
Written management plan	16/152 (10.5)	96/529 (18.1)	1.88 (1.07 to 3.31)	1.96 (1.10 to 3.50)
Peak flow meter	53/117 (45.3)	169/466 (34.3)	0.63 (0.42 to 0.95)	1.08 (0.69 to 1.68)
Taking inhaled steroids most days or every day	63/179 (35.2)	360/623 (57.8)	2.52 (1.78 to 3.56)	2.88 (2.00 to 4.14)
At least one general practice asthma check‐up in last 12 months	53/152 (34.9)	220/532 (41.4)	1.31 (0.90 to 1.92)	1.27 (0.86 to 1.88)
Visited outpatients in last 12 months	12/152 (7.9)	280/528 (53.3)	13.17 (7.13 to 24.33)	11.74 (6.30 to 21.88)