Intervention group attendings were more accurate than control group attendings in assessing the category of chronic asthma control ( 43 % versus 19 % ; p = 0.03 ) , disease trajectory ( 72 % versus 45 % ; p = 0.02 ) , and the disease burden for families ( 74 % versus 35 % ; p = 0.001 ) over the past 12 months .