Table 1

Patients Starting and Completing the Informed Decision-Making Module by Study Phase and Cancer Screening Decision

Module Use	Cancer Screening Decision
Module Use	Colon	Breast	Prostate	Total
Overall use: phases 1, 2, and 3 combined^a
Eligible, No.	6,329	3,733	1,396 11	,458
Starters, No. (%)	1,249 (19.7)	638 (17.1)	468 (33.5)	2,355 (20.6)
Completers, No.	489	190	224	903
Of starters, %	39.2	9.8	47.9	38.3
Of eligible, %	7.7	5.1	6.0	7.9
Phase 1: prompt on MyPreventiveCare log-in^a
Eligible, No.	542	297	171	1,010
Starters, No. (%)	154 (28.4)	70 (23.6)	86 (50.3)	310 (30.7)
Completers, No.	39	12	21	72
Of starters, %	25.3	17.1	24.4	23.2
Of eligible, %	7.2	4.0	12.3	7.1
Phase 2: prompt via e-mail before appointment^a
Eligible, No.	354	171	85	610
Starters, No. (%)	140 (39.5)	53 (31)	53 (62.4)	246 (40.3)
Completers, No.	75	19	35	129
Of starters, %	53.6	35.9	66.0	52.4
Of eligible, %	21.2	11.1	41.2	21.1
Phase 3: prompt via e-mail without an appointment^a
Eligible, No.	5,136	3,220	1,080	9,436
Starters, No. (%)	469 (9.1)	264 (8.2)	189 (17.5)	922 (9.8)
Completers, No.	174	77	87	338
Of starters, %	37.1	29.2	46.0	36.7
Of eligible, %	3.4	2.4	8.1	3.6

↵a Phases 1, 2, and 3 combined: January 2, 2014, through August 15, 2014. Phase 1: January 2, 2014, through February 16, 2014. Phase 2: February 17, 2014, through May 25, 2014. Phase 3: May 26, 2014, through August 15, 2014.
Note: The difference in starting and completing the decision module was statistically different for breast vs colorectal (P =.001), breast vs prostate (P <.001), and colorectal vs prostate cancer (P <.001) screening decisions. The difference in starting and completing the decision module was statistically different for phase 1 vs phase 2 (P <.001), phase 1 vs phase 3 (P <.001), and phase 2 vs phase 3 (P <.001).