Mean urgent health care use episodes in the past 12 months decreased significantly and similarly in both groups , from a mean of 3.46 to 1.99 episodes in the intervention group ( mean change , -1.47 [ 95 % CI , -2.28 to -0.67 ] ; P < .001 ) and from a mean of 3.30 to 1.96 episodes in the control group ( mean change , -1.34 [ 95 % CI , -2.00 to -0.72 ] ; P < .001 ) ( P = .83 comparing groups ) .