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Table 3 Rate of health plan member registrationa by randomization groupb

From: Harnessing health plan enrollee data to boost membership in patient-powered research networks

 

Mail group (N = 14,571)

Email group (N = 14,574)

P values

Intent-to-treat approach

N

%

95% CI

N

%

95% CI

 

Patient engaged by the intervention

78

0.54%

0.42–0.67%

24

0.16%

0.11–0.25%

<.001

As treated approachc

N = 13,834

N = 10,319

 

Patient engaged by the intervention

78

0.56%

0.45–0.70%

23

0.22%

0.14–0.33%

<.001

  1. aPlan member registration = Invited health plan member who joined a PPRN
  2. bRandomization group = Invited health plan members were randomized to either mail or email outreach
  3. cPatients with undeliverable home or email address and those in existing Do-Not-Contact list were excluded in the as-treated analysis