Table 3.

Annual Visits for Asthma by Children With Asthma (Clinic Mean ± SE) (N = 22)

BaselineFollow-Up
199119921993
Scheduled visits
 Intervention clinics1.19  ± 0.091.85  ± 0.13*1.85  ± 0.13*
 Control clinics0.99  ± 0.091.09  ± 0.040.88  ± 0.07
Walk-in visits
 Intervention clinics0.22  ± 0.070.30  ± 0.080.58  ± 0.13
 Control clinics0.31  ± 0.080.21  ± 0.060.36  ± 0.10
Total visits for asthma
 Intervention clinics1.41  ± 0.082.15  ± 0.15*2.42  ± 0.17*
 Control clinics1.30  ± 0.081.30  ± 0.071.24  ± 0.07
  • The figures reported are ordinary arithmetic averages. Symbols refer to statistical comparisons of weighted averages as explained in “Methods.” In each comparison the reference year is 1991.

  • * P < .001.

  • P < .01.