Only at the two-month follow-up time-point , parents in the intervention group were significantly more likely to identify a PCP as the main source of their child 's asthma care ( adjusted odds ratio : 12.6 , 95 % confidence interval : 1.1-142 .1 ) and to report a significant reduction in ED visits for asthma care ( adjusted incidence rate ratio : 0.3 , 95 % confidence interval : 0.1-0 .8 ) .