TABLE 2

Association Between Well-Child Visits and Asthma Exacerbations in Durham Pediatric Asthma Patients With At Least 1 Well-Child Visit

Asthma Exacerbation Type	Total No. Exacerbation	Exacerbation Rate^a	Unadjusted HRs (95% CI)	Adjusted HRs Model 1 (95% CI)^b
All asthma exacerbations	2974	19.44	0.95 (0.88–1.03)	0.93 (0.85–1.01)
Hospital encounters >24 h	207	1.35	0.53 (0.39–0.71)	0.51 (0.38–0.70)
ED and hospital encounters <24 h	629	4.11	0.65 (0.55–0.77)	0.65 (0.55–0.77)
Urgent care encounters	673	4.4	0.84 (0.72–0.98)	0.82 (0.70–0.97)
Outpatient encounters	1465	9.58	1.26 (1.12–1.42)	1.21 (1.07–1.36)

Values represent HRs (95% CIs) for having the event for patients who had expected well-child visits versus those who did not among patients in the well-child cohort. All models are stratified by number of events.
↵a Per 100 per y.
↵b Adjusted for age, sex, and race.