Table 4 Net improvement in intervention and control groups at 12 months.

	Intervention group				Control group				Difference in net % better (95% CI)*
	Total	No. better	No. worse	Net % better	Total	No. better	No. worse	Net % better
Breathing since baseline	86	50	5	52	76	24	6	24	29 (10 to 47)
Medication in last 6 months†	89	33	13	22	79	29	16	16	6 (−15 to 27)
Preventer in last 4 weeks	90	24	11	14	81	6	10	−5	19 (4 to 35)
Reliever in last 4 weeks	90	25	7	20	81	9	7	2	18 (2 to 33)
Wheeze in last 4 weeks	89	22	7	17	81	20	4	20	−3 (−19 to 12)
Wheeze disturbs sleep	89	30	10	22	81	35	4	38	−16 (−34 to 2)
Wheeze limits speech	87	11	1	11	81	6	3	4	8 (−2 to 18)
Wheeze affects activities	90	36	11	28	81	30	12	22	5 (−15 to 26)
Rhinitis	90	22	6	18	81	7	12	−6	24 (9 to 39)
Rhinoconjunctivitis	90	21	7	16	81	8	12	−5	20 (5 to 36)
Rhinitis affects activities	90	28	17	12	81	17	18	−1	13 (−7 to 33)

*Difference  =  value in intervention group minus value in control group.

†Perceived change in medication use in last 6 months compared with use before then.

For medication, preventers and relievers, “better” and “worse” denote less and more use respectively.