Table 1.

Distribution of Children With Mild Persistent Asthma and Risks of Uncontrolled Asthma According to Treatment Group (Daily Use or Periodic Use of Inhaled Corticosteroids) and Associated Risk Differences, Parent Asthma Communication Experience Study, 2007–2008

PS Stratuma	PS Cutpoint	Daily Use		Periodic Use		Risk Difference
		No.	Risk	No.	Risk
1	0.30	7	0.14	66	0.20	−0.06
2	0.46	22	0.36	50	0.32	0.04
3	0.62	37	0.49	36	0.36	0.13
4	0.77	57	0.46	15	0.20	0.26
5	0.96	71	0.66	2	0.00	0.66
Total		194	0.52	169	0.27	0.25

Abbreviation: PS, propensity score.

^aEstimated quintiles.