High Baseline ER rates and Adults/Kids

I have two questions for you:

1.) I was surprised to see the high health care utilization rates at baseline for the people enrolled in the intervention.  Did I understand correctly that 68% of people who participated in this program had visited the ER for an asthma related event in the 6 months prior to starting the program?Do you think this rate was unusually high?  Or typical of kids/adults living in public housing units with asthma?

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