Table 2.

Summary statistics of patient-reported EQ-5D index scores over time.

	Mammogram surveillance frequency
	Arm 1: annual			Arm 2: less frequent (2-yearly and 3-yearly)
Timepoint	Mean	Median	SE	Mean	Median	SE	Mean difference
4	0.784	0.7960	0.201	0.784	0.8260	0.2082	0.0004
5	0.779	0.7960	0.211	0.772	0.7950	0.2201	−0.0074
6	0.768	0.7960	0.229	0.765	0.7950	0.2320	−0.0036
7	0.760	0.7950	0.240	0.754	0.7950	0.2470	−0.0061
8	0.739	0.7680	0.263	0.740	0.7680	0.2569	0.0010