Table 2.

Proportions of the eligible populations with colonoscopy/FOBT, mammography or PSA testing in 2014, 2016, and 2018, and significance tests of change of these proportions, pairwise between years

	2014	2016	2018	Change in proportion 20,142,016	pa	Change in proportion 2016–2018	pa	Change in proportion 2014–2018	pa
colonoscopy/ FOBTb	8.3%	8.9%	9.2%	0.7%	< 0.001	0.2%	0.003	0.9%	< 0.001
mammography	20.9%	21.2%	20.4%	0.3%	0.017	−0.8%	< 0.001	−0.5%	< 0.001
PSA testingc	30.5%	31.1%	31.8%	0.5%	0.001	0.7%	< 0.001	1.2%	< 0.001

^a using Chi-squared tests

^b FOBT Fecal occult blood testing

^c PSA Prostate-specific antigen