Table 2.

Comparison of mammography adherence across arms at end of last valid period and change in mammography adherence from baseline to end of last valid period by arm and age

Age	Absolute difference in mammography adherence percentage between call arms and LO arm at end of last valid period				Absolute change in adherence percentage from baseline to end of last valid period
	LO	RC	CC	p Value	LO	RC	CC	p Value
40–49a	Ref.	+4.0	+3.4	0.05	–1.3	+4.0	+1.5	0.03
50–74b	Ref.	+1.2	–1.6	0.04	+1.6	+3.3	+1.1	0.69
75–84c	Ref.	+3.3	+1.1	0.10	+2.1	+4.3	+2.1	0.43

CC counseling call arm; LO letter only arm; RC reminder call arm.

^aBaseline is end of Year 1, last valid period is Year 4.

^bBaseline is Year 0, last valid period is Year 4.

^cBaseline is Year 0, last valid period is Year 3.